10165e27e0db0a6708f346ddea657ab0409499f93eb8426a80864a966f0f401e

Analysis

max time kernel
236s
max time network
241s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 22:33

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General

Target

cb2ffac2a251378cda3f91cd613f453d.exe
Size

8.3MB
MD5

cb2ffac2a251378cda3f91cd613f453d
SHA1

3a028761638f5aa93b0719c5650c83a138e8abc9
SHA256

10165e27e0db0a6708f346ddea657ab0409499f93eb8426a80864a966f0f401e
SHA512

1d203540fde5074f0d57e1ecbd9af2ee862b940f8fb58c3e55ad9db5ba029aff82a4468eee24c760b5e55cc96e61244af0fd6f3c46db857824e13e45ec1e802f
SSDEEP

196608:P4Z1cDw8TWMpWRGAk7R85du3dWbpkPbVAp2FG0c+imht+:PE1CE3k7R5NWqu0cU+

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	cb2ffac2a251378cda3f91cd613f453d.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	installer.exe

Executes dropped EXE 1 IoCs

pid	Process
880	installer.exe

Loads dropped DLL 1 IoCs

pid	Process
4928	MsiExec.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
59	2984	msiexec.exe
61	2984	msiexec.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 23 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)	\??\B:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	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)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File created	C:\Windows\Installer\SourceHash{D9E14363-FD66-419D-9DC9-C62471755C9F}	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8F6.tmp	msiexec.exe
File created	C:\Windows\Installer\e59ca4b.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59ca4b.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI11F3.tmp	msiexec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
880	installer.exe
2984	msiexec.exe
2984	msiexec.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4416	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4416	msiexec.exe
Token: SeSecurityPrivilege	2984	msiexec.exe
Token: SeCreateTokenPrivilege	4416	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4416	msiexec.exe
Token: SeLockMemoryPrivilege	4416	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4416	msiexec.exe
Token: SeMachineAccountPrivilege	4416	msiexec.exe
Token: SeTcbPrivilege	4416	msiexec.exe
Token: SeSecurityPrivilege	4416	msiexec.exe
Token: SeTakeOwnershipPrivilege	4416	msiexec.exe
Token: SeLoadDriverPrivilege	4416	msiexec.exe
Token: SeSystemProfilePrivilege	4416	msiexec.exe
Token: SeSystemtimePrivilege	4416	msiexec.exe
Token: SeProfSingleProcessPrivilege	4416	msiexec.exe
Token: SeIncBasePriorityPrivilege	4416	msiexec.exe
Token: SeCreatePagefilePrivilege	4416	msiexec.exe
Token: SeCreatePermanentPrivilege	4416	msiexec.exe
Token: SeBackupPrivilege	4416	msiexec.exe
Token: SeRestorePrivilege	4416	msiexec.exe
Token: SeShutdownPrivilege	4416	msiexec.exe
Token: SeDebugPrivilege	4416	msiexec.exe
Token: SeAuditPrivilege	4416	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4416	msiexec.exe
Token: SeChangeNotifyPrivilege	4416	msiexec.exe
Token: SeRemoteShutdownPrivilege	4416	msiexec.exe
Token: SeUndockPrivilege	4416	msiexec.exe
Token: SeSyncAgentPrivilege	4416	msiexec.exe
Token: SeEnableDelegationPrivilege	4416	msiexec.exe
Token: SeManageVolumePrivilege	4416	msiexec.exe
Token: SeImpersonatePrivilege	4416	msiexec.exe
Token: SeCreateGlobalPrivilege	4416	msiexec.exe
Token: SeRestorePrivilege	2984	msiexec.exe
Token: SeTakeOwnershipPrivilege	2984	msiexec.exe
Token: SeRestorePrivilege	2984	msiexec.exe
Token: SeTakeOwnershipPrivilege	2984	msiexec.exe
Token: SeRestorePrivilege	2984	msiexec.exe
Token: SeTakeOwnershipPrivilege	2984	msiexec.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
880	installer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 880	3988	cb2ffac2a251378cda3f91cd613f453d.exe	87
PID 3988 wrote to memory of 880	3988	cb2ffac2a251378cda3f91cd613f453d.exe	87
PID 3988 wrote to memory of 880	3988	cb2ffac2a251378cda3f91cd613f453d.exe	87
PID 880 wrote to memory of 4416	880	installer.exe	89
PID 880 wrote to memory of 4416	880	installer.exe	89
PID 880 wrote to memory of 4416	880	installer.exe	89
PID 2984 wrote to memory of 4928	2984	msiexec.exe	99
PID 2984 wrote to memory of 4928	2984	msiexec.exe	99
PID 2984 wrote to memory of 4928	2984	msiexec.exe	99

C:\Users\Admin\AppData\Local\Temp\cb2ffac2a251378cda3f91cd613f453d.exe
"C:\Users\Admin\AppData\Local\Temp\cb2ffac2a251378cda3f91cd613f453d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
  "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe" /rsetup
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\rms.host6.3.4ru_mod_mod.msi" /qn
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4416

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding F5914B0C88F567AB9D8C8213E65640BE
  2⤵
  - Loads dropped DLL
  PID:4928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

Filesize
6.0MB

MD5
c9704931d887685d96ce92d637d84045

SHA1
0875a71e9118ded121d92f3f46a3af1ec8380f8b

SHA256
0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

SHA512
3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

Filesize
6.0MB

MD5
c9704931d887685d96ce92d637d84045

SHA1
0875a71e9118ded121d92f3f46a3af1ec8380f8b

SHA256
0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

SHA512
3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

Filesize
6.0MB

MD5
c9704931d887685d96ce92d637d84045

SHA1
0875a71e9118ded121d92f3f46a3af1ec8380f8b

SHA256
0448c45cb43585409002e01ef53442cb9f6ad58f211f5deb3ad2ca8b8d535826

SHA512
3b739394f69ec9f26ef607a0d481f1ad3d107462220c2281cbc300f16886ab3d857bee9af59b8857c7e7ae5b04e6a849eaa5e304d6935957a0a15e462375c260

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\rms.host6.3.4ru_mod_mod.msi

Filesize
7.3MB

MD5
998f9b9eefeddbfc898356139220bab3

SHA1
324bb9170598a73ce7f1359da7a35a6065f22f8e

SHA256
0230d36dc995c5fa25b6dd3f33c670fdf5f06c014a0b2d1012c064d733e9d81c

SHA512
efea0f628fca55733a29cd6c05aab11b8b4e49153d9ae94340daa00e5cb47f1ce4c2c2a3d9fea6108205fcb3a13ca13a4d533f47c561e8785f529d58c95f08e7

Download Submit
C:\Windows\Installer\MSI11F3.tmp

Filesize
125KB

MD5
b0bcc622f1fff0eec99e487fa1a4ddd9

SHA1
49aa392454bd5869fa23794196aedc38e8eea6f5

SHA256
b32687eaaad888410718875dcbff9f6a552e29c4d76af33e06e59859e1054081

SHA512
1572c1d07df2e9262d05a915d69ec4ebeb92eab50b89ce27dd290fb5a8e1de2c97d9320a3bb006834c98b3f6afcd7d2c29f039d9ca9afaa09c714406dedbc3c7

Download Submit
C:\Windows\Installer\MSI11F3.tmp

Filesize
125KB

MD5
b0bcc622f1fff0eec99e487fa1a4ddd9

SHA1
49aa392454bd5869fa23794196aedc38e8eea6f5

SHA256
b32687eaaad888410718875dcbff9f6a552e29c4d76af33e06e59859e1054081

SHA512
1572c1d07df2e9262d05a915d69ec4ebeb92eab50b89ce27dd290fb5a8e1de2c97d9320a3bb006834c98b3f6afcd7d2c29f039d9ca9afaa09c714406dedbc3c7

Download Submit
memory/880-14-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/880-15-0x0000000000400000-0x0000000000AA3000-memory.dmp

Filesize
6.6MB

Download