latrodectus | 025abbec1724b9180b369fe116da9d90ae47a4996f6a4e28e8a947bac1e0c741

Analysis

max time kernel
102s
max time network
137s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14/11/2024, 02:02

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General

Target

025abbec1724b9180b369fe116da9d90ae47a4996f6a4e28e8a947bac1e0c741.msi
Size

2.0MB
MD5

c65899e2519f4ad21fb4b97f0a113362
SHA1

a1f854c29a69c19949499fca5e24b02b97be46fd
SHA256

025abbec1724b9180b369fe116da9d90ae47a4996f6a4e28e8a947bac1e0c741
SHA512

eca93cb24187735ec54d4b4e99675f87f1957e255f59c5432498bbc2c47c77b6ccfdf48861a2f78eb377307ce8f6e6458eaf4b766b96e6c2faea1fb87e3dcbb4
SSDEEP

49152:/c53YhW8zBQSc0ZnSKBZKumZr7Aej3YOXT7wYyr8lCV:QYY0Zn3K/Ai33XXZ0

Score

10^/10

latrodectus discovery loader persistence privilege_escalation

Malware Config

Extracted

Family

latrodectus

https://rolefenik.com/test/

https://ergiholim.com/test/

Signatures

Detects Latrodectus 3 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/memory/1048-76-0x000007FFFFF80000-0x000007FFFFF95000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/1284-83-0x0000000002970000-0x0000000002985000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/1284-84-0x0000000002970000-0x0000000002985000-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 6 IoCs

flow	pid	Process
4	1048	rundll32.exe
7	1048	rundll32.exe
9	1048	rundll32.exe
11	1048	rundll32.exe
13	1048	rundll32.exe
22	1048	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)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\G:	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)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSIE0AF.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE16C.tmp	msiexec.exe
File created	C:\Windows\Installer\f77df99.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE2D3.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File created	C:\Windows\Installer\f77df96.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f77df96.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE333.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f77df99.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\Installer\MSIDFF3.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2120	MSIE333.tmp

Loads dropped DLL 11 IoCs

pid	Process
2916	MsiExec.exe
2916	MsiExec.exe
2916	MsiExec.exe
1804	rundll32.exe
1804	rundll32.exe
1804	rundll32.exe
1804	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
1084	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSIE333.tmp

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\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\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\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\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	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

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 4 IoCs

pid	Process
2880	msiexec.exe
2880	msiexec.exe
1048	rundll32.exe
1048	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1084	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1084	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeSecurityPrivilege	2880	msiexec.exe
Token: SeCreateTokenPrivilege	1084	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1084	msiexec.exe
Token: SeLockMemoryPrivilege	1084	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1084	msiexec.exe
Token: SeMachineAccountPrivilege	1084	msiexec.exe
Token: SeTcbPrivilege	1084	msiexec.exe
Token: SeSecurityPrivilege	1084	msiexec.exe
Token: SeTakeOwnershipPrivilege	1084	msiexec.exe
Token: SeLoadDriverPrivilege	1084	msiexec.exe
Token: SeSystemProfilePrivilege	1084	msiexec.exe
Token: SeSystemtimePrivilege	1084	msiexec.exe
Token: SeProfSingleProcessPrivilege	1084	msiexec.exe
Token: SeIncBasePriorityPrivilege	1084	msiexec.exe
Token: SeCreatePagefilePrivilege	1084	msiexec.exe
Token: SeCreatePermanentPrivilege	1084	msiexec.exe
Token: SeBackupPrivilege	1084	msiexec.exe
Token: SeRestorePrivilege	1084	msiexec.exe
Token: SeShutdownPrivilege	1084	msiexec.exe
Token: SeDebugPrivilege	1084	msiexec.exe
Token: SeAuditPrivilege	1084	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1084	msiexec.exe
Token: SeChangeNotifyPrivilege	1084	msiexec.exe
Token: SeRemoteShutdownPrivilege	1084	msiexec.exe
Token: SeUndockPrivilege	1084	msiexec.exe
Token: SeSyncAgentPrivilege	1084	msiexec.exe
Token: SeEnableDelegationPrivilege	1084	msiexec.exe
Token: SeManageVolumePrivilege	1084	msiexec.exe
Token: SeImpersonatePrivilege	1084	msiexec.exe
Token: SeCreateGlobalPrivilege	1084	msiexec.exe
Token: SeBackupPrivilege	2836	vssvc.exe
Token: SeRestorePrivilege	2836	vssvc.exe
Token: SeAuditPrivilege	2836	vssvc.exe
Token: SeBackupPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2860	DrvInst.exe
Token: SeLoadDriverPrivilege	2860	DrvInst.exe
Token: SeLoadDriverPrivilege	2860	DrvInst.exe
Token: SeLoadDriverPrivilege	2860	DrvInst.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe
Token: SeTakeOwnershipPrivilege	2880	msiexec.exe
Token: SeRestorePrivilege	2880	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1084	msiexec.exe
1084	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2916	2880	msiexec.exe	34
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 2880 wrote to memory of 2120	2880	msiexec.exe	35
PID 1804 wrote to memory of 1048	1804	rundll32.exe	37
PID 1804 wrote to memory of 1048	1804	rundll32.exe	37
PID 1804 wrote to memory of 1048	1804	rundll32.exe	37
PID 1804 wrote to memory of 1048	1804	rundll32.exe	37
PID 1048 wrote to memory of 1284	1048	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:1284
- C:\Windows\system32\msiexec.exe
  msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\025abbec1724b9180b369fe116da9d90ae47a4996f6a4e28e8a947bac1e0c741.msi
  2⤵
  - Enumerates connected drives
  - Event Triggered Execution: Installer Packages
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\apptext.dll, Object
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\apptext.dll, Object
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1048

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:2880
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 2EE9C0E7036E42999F53B24D5ED48189
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\Installer\MSIE333.tmp
  "C:\Windows\Installer\MSIE333.tmp" /DontWait C:/Windows/SysWOW64/rundll32.exe C:\Users\Admin\AppData\Roaming\apptext.dll, Object
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2120

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000060" "00000000000003DC"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2860

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\f77df9a.rbs

Filesize
1KB

MD5
8e222eadaf6ae6e9eae7d6693de0383c

SHA1
1c4336d5514ac277ad6ca15d21174bfa326021b4

SHA256
6e7018e749be5cd3101e88724b2d12bae4979077f6eeab97b6b1f96085913861

SHA512
c900025b35923845bfdefc8f80eed9136d8c31306b6a59b5a0746e37425678e0ea55b92cc4253266252ce52f9922bc950854691dee7dcd0113fa8a8a601e982d

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

Filesize
1.6MB

MD5
86b57c9deafed093d4b47b03823b4d14

SHA1
47947da463dd6f4ecf61ae960235a35144e903a8

SHA256
f8e3eef1fda5969a7aabcc8fb5cc9f5fe245bbf6cc8e480459977b8e91eab9bd

SHA512
5f855ed0a3ecf561c45608d7f4579d6e4b1f1953863e97e0b5fea1f33b38d0e03fef16207d88864d2d936a4e65b677cd259ec248dbf06447b50f9e0488acead3

Download Submit
C:\Windows\Installer\MSIDFF3.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSIE333.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

Download Submit
memory/1048-75-0x000007FFFFFA0000-0x000007FFFFFA1000-memory.dmp

Filesize
4KB

Download
memory/1048-48-0x0000000001FC0000-0x000000000200C000-memory.dmp

Filesize
304KB

Download
memory/1048-77-0x000007FFFFF70000-0x000007FFFFF71000-memory.dmp

Filesize
4KB

Download
memory/1048-76-0x000007FFFFF80000-0x000007FFFFF95000-memory.dmp

Filesize
84KB

Download
memory/1048-80-0x000007FFFFF40000-0x000007FFFFF41000-memory.dmp

Filesize
4KB

Download
memory/1048-79-0x000007FFFFF50000-0x000007FFFFF51000-memory.dmp

Filesize
4KB

Download
memory/1048-78-0x000007FFFFF60000-0x000007FFFFF61000-memory.dmp

Filesize
4KB

Download
memory/1048-96-0x0000000001FC0000-0x000000000200C000-memory.dmp

Filesize
304KB

Download
memory/1284-83-0x0000000002970000-0x0000000002985000-memory.dmp

Filesize
84KB

Download
memory/1284-81-0x0000000002970000-0x0000000002985000-memory.dmp

Filesize
84KB

Download
memory/1284-84-0x0000000002970000-0x0000000002985000-memory.dmp

Filesize
84KB

Download
memory/2120-38-0x0000000000120000-0x0000000000122000-memory.dmp

Filesize
8KB

Download