latrodectus | c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf

Analysis

max time kernel
300s
max time network
268s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:27

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General

Target

21112024_0027_merd.msi
Size

2.0MB
MD5

309abcad11b67d2498cf87c4e10ff30f
SHA1

0d805a684b889846a7b00cecc0ee84c7cf93398d
SHA256

c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf
SHA512

0f0c0f4a04ae65532a7f4c197ca22c371d904a5b3055e14bd537a3c092d8b4526a597564019395ed0b05d4ffbc6d9b450a8d267de3906f88ac2d320f9c75bdd9
SSDEEP

49152:ecS3YhW8zBQSc0ZnSKBZKumZr7AQkojSo0kzI8ZVE6VPbe:sYY0Zn3K/AQz3Tbx56

Score

10^/10

latrodectus discovery loader persistence privilege_escalation

Malware Config

Extracted

Family

latrodectus

https://bestmarsgood.com/test/

https://cerwintifed.com/test/

Signatures

Detects Latrodectus 3 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/memory/2736-73-0x000007FFFFF70000-0x000007FFFFF85000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/1200-80-0x0000000002F00000-0x0000000002F15000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/1200-81-0x0000000002F00000-0x0000000002F15000-memory.dmp	family_latrodectus_1_4

Latrodectus family
latrodectus
Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Blocklisted process makes network request 9 IoCs

flow	pid	Process
4	2736	rundll32.exe
7	2736	rundll32.exe
9	2736	rundll32.exe
10	2736	rundll32.exe
16	2736	rundll32.exe
17	2736	rundll32.exe
18	2736	rundll32.exe
24	2736	rundll32.exe
25	2736	rundll32.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSI9712.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI97CF.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI99C3.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\Installer\f7695ab.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9627.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f7695ae.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File created	C:\Windows\Installer\f7695ab.msi	msiexec.exe
File created	C:\Windows\Installer\f7695ae.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9BA8.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	MSI9BA8.tmp

Loads dropped DLL 11 IoCs

pid	Process
2896	MsiExec.exe
2896	MsiExec.exe
2896	MsiExec.exe
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
2824	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSI9BA8.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2820	msiexec.exe
2820	msiexec.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2824	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2824	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeSecurityPrivilege	2820	msiexec.exe
Token: SeCreateTokenPrivilege	2824	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2824	msiexec.exe
Token: SeLockMemoryPrivilege	2824	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2824	msiexec.exe
Token: SeMachineAccountPrivilege	2824	msiexec.exe
Token: SeTcbPrivilege	2824	msiexec.exe
Token: SeSecurityPrivilege	2824	msiexec.exe
Token: SeTakeOwnershipPrivilege	2824	msiexec.exe
Token: SeLoadDriverPrivilege	2824	msiexec.exe
Token: SeSystemProfilePrivilege	2824	msiexec.exe
Token: SeSystemtimePrivilege	2824	msiexec.exe
Token: SeProfSingleProcessPrivilege	2824	msiexec.exe
Token: SeIncBasePriorityPrivilege	2824	msiexec.exe
Token: SeCreatePagefilePrivilege	2824	msiexec.exe
Token: SeCreatePermanentPrivilege	2824	msiexec.exe
Token: SeBackupPrivilege	2824	msiexec.exe
Token: SeRestorePrivilege	2824	msiexec.exe
Token: SeShutdownPrivilege	2824	msiexec.exe
Token: SeDebugPrivilege	2824	msiexec.exe
Token: SeAuditPrivilege	2824	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2824	msiexec.exe
Token: SeChangeNotifyPrivilege	2824	msiexec.exe
Token: SeRemoteShutdownPrivilege	2824	msiexec.exe
Token: SeUndockPrivilege	2824	msiexec.exe
Token: SeSyncAgentPrivilege	2824	msiexec.exe
Token: SeEnableDelegationPrivilege	2824	msiexec.exe
Token: SeManageVolumePrivilege	2824	msiexec.exe
Token: SeImpersonatePrivilege	2824	msiexec.exe
Token: SeCreateGlobalPrivilege	2824	msiexec.exe
Token: SeBackupPrivilege	2784	vssvc.exe
Token: SeRestorePrivilege	2784	vssvc.exe
Token: SeAuditPrivilege	2784	vssvc.exe
Token: SeBackupPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	320	DrvInst.exe
Token: SeLoadDriverPrivilege	320	DrvInst.exe
Token: SeLoadDriverPrivilege	320	DrvInst.exe
Token: SeLoadDriverPrivilege	320	DrvInst.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe
Token: SeTakeOwnershipPrivilege	2820	msiexec.exe
Token: SeRestorePrivilege	2820	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2824	msiexec.exe
2824	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2896	2820	msiexec.exe	34
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 2820 wrote to memory of 2428	2820	msiexec.exe	35
PID 1740 wrote to memory of 2736	1740	rundll32.exe	37
PID 1740 wrote to memory of 2736	1740	rundll32.exe	37
PID 1740 wrote to memory of 2736	1740	rundll32.exe	37
PID 1740 wrote to memory of 2736	1740	rundll32.exe	37
PID 2736 wrote to memory of 1200	2736	rundll32.exe	21

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\msiexec.exe
  msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\21112024_0027_merd.msi
  2⤵
  - Enumerates connected drives
  - Event Triggered Execution: Installer Packages
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2824
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2736

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 89A8DF7D4D17428CC7DB8196275CD4CF
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\Installer\MSI9BA8.tmp
  "C:\Windows\Installer\MSI9BA8.tmp" /DontWait C:/Windows/SysWOW64/rundll32.exe C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2428

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2784

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000059C" "00000000000004B8"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\f7695af.rbs

Filesize
1KB

MD5
a0693b8e348de4e56c0ac2ef98a8e926

SHA1
f947ac8878f8a3ec483dd9c228556698075a3f5d

SHA256
b985e714154d0c524a52e0be26634d0aa2d3eca2b62213b9bb6d5e15d02f1dbc

SHA512
7b79129a6cd418adae7aace8f2790fe3f5ffcdc3d0fcdc725399bf0bdd280ac01f4366723c5c9135c27dae74992792f97804114afa33eec0661d9a648191e22f

Download Submit
C:\Users\Admin\AppData\Roaming\sqx.dll

Filesize
1.3MB

MD5
dd862590d9e4ea1791df147912ae4c8f

SHA1
852d7a9ea4db5ff4cd51a92447a8d5701cfb322b

SHA256
14ffcbbfb305287ea15264df3363567f36a26917ae2018af0f40e2009b8a7184

SHA512
3e9222d8bd91d3e53f5e378318a78a7c5aa12011272031f7c0d8c36c5b255db1d0a168cc02e1159eb021dd18206352dd6dcb857fefc2222937c467350dc6d568

Download Submit
C:\Windows\Installer\MSI9627.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSI9BA8.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

Download Submit
memory/1200-80-0x0000000002F00000-0x0000000002F15000-memory.dmp

Filesize
84KB

Download
memory/1200-78-0x0000000002F00000-0x0000000002F15000-memory.dmp

Filesize
84KB

Download
memory/1200-81-0x0000000002F00000-0x0000000002F15000-memory.dmp

Filesize
84KB

Download
memory/2428-38-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

Download
memory/2736-48-0x0000000001F00000-0x0000000001F4C000-memory.dmp

Filesize
304KB

Download
memory/2736-73-0x000007FFFFF70000-0x000007FFFFF85000-memory.dmp

Filesize
84KB

Download
memory/2736-72-0x000007FFFFF90000-0x000007FFFFF91000-memory.dmp

Filesize
4KB

Download
memory/2736-77-0x000007FFFFF30000-0x000007FFFFF31000-memory.dmp

Filesize
4KB

Download
memory/2736-76-0x000007FFFFF40000-0x000007FFFFF41000-memory.dmp

Filesize
4KB

Download
memory/2736-75-0x000007FFFFF50000-0x000007FFFFF51000-memory.dmp

Filesize
4KB

Download
memory/2736-74-0x000007FFFFF60000-0x000007FFFFF61000-memory.dmp

Filesize
4KB

Download
memory/2736-96-0x0000000001F00000-0x0000000001F4C000-memory.dmp

Filesize
304KB

Download