806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599

General

Target

806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe
Size

5.8MB
MD5

d8cc96a6cfa21dc89f5f1c252d0120f4
SHA1

06a654dbbd0525a03b78a177b7ec3ece1cf5f233
SHA256

806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599
SHA512

f4131996d6a3df9617a6734ff8a31ad3ec47ab85f991c99ab57be05ccbd475d34f371fba7669d9c869118ef9619549ca14b70438e629b4d250f06f4087a2d80d
SSDEEP

98304:SuaSBtYKUEkxXk+b7FCOT7cZpyas3pY0Mv/QsiCZs4IiU1pANyNxd:feEky+T7kWYT/QF7pANyN

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exe

flow pid process

2 684 msiexec.exe
4 684 msiexec.exe
6 684 msiexec.exe
Executes dropped EXE 1 IoCs

Processes:

CShell.exe

pid process

904 CShell.exe
Loads dropped DLL 1 IoCs

Processes:

806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe

pid process

1480 806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe

flow	pid	process
2	684	msiexec.exe
4	684	msiexec.exe
6	684	msiexec.exe

pid	process
904	CShell.exe

pid	process
1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe

Enumerates connected drives 3 TTPs 24 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

Processes:

msiexec.exe

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

Drops file in Windows directory 2 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\Windows\Installer\6c387f.msi msiexec.exe
File created C:\Windows\Installer\6c387f.msi msiexec.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

684 msiexec.exe
684 msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\6c387f.msi	msiexec.exe
File created	C:\Windows\Installer\6c387f.msi	msiexec.exe

pid	process
684	msiexec.exe
684	msiexec.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	556	msiexec.exe
Token: SeIncreaseQuotaPrivilege	556	msiexec.exe
Token: SeRestorePrivilege	684	msiexec.exe
Token: SeTakeOwnershipPrivilege	684	msiexec.exe
Token: SeSecurityPrivilege	684	msiexec.exe
Token: SeCreateTokenPrivilege	556	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	556	msiexec.exe
Token: SeLockMemoryPrivilege	556	msiexec.exe
Token: SeIncreaseQuotaPrivilege	556	msiexec.exe
Token: SeMachineAccountPrivilege	556	msiexec.exe
Token: SeTcbPrivilege	556	msiexec.exe
Token: SeSecurityPrivilege	556	msiexec.exe
Token: SeTakeOwnershipPrivilege	556	msiexec.exe
Token: SeLoadDriverPrivilege	556	msiexec.exe
Token: SeSystemProfilePrivilege	556	msiexec.exe
Token: SeSystemtimePrivilege	556	msiexec.exe
Token: SeProfSingleProcessPrivilege	556	msiexec.exe
Token: SeIncBasePriorityPrivilege	556	msiexec.exe
Token: SeCreatePagefilePrivilege	556	msiexec.exe
Token: SeCreatePermanentPrivilege	556	msiexec.exe
Token: SeBackupPrivilege	556	msiexec.exe
Token: SeRestorePrivilege	556	msiexec.exe
Token: SeShutdownPrivilege	556	msiexec.exe
Token: SeDebugPrivilege	556	msiexec.exe
Token: SeAuditPrivilege	556	msiexec.exe
Token: SeSystemEnvironmentPrivilege	556	msiexec.exe
Token: SeChangeNotifyPrivilege	556	msiexec.exe
Token: SeRemoteShutdownPrivilege	556	msiexec.exe
Token: SeUndockPrivilege	556	msiexec.exe
Token: SeSyncAgentPrivilege	556	msiexec.exe
Token: SeEnableDelegationPrivilege	556	msiexec.exe
Token: SeManageVolumePrivilege	556	msiexec.exe
Token: SeImpersonatePrivilege	556	msiexec.exe
Token: SeCreateGlobalPrivilege	556	msiexec.exe
Token: SeRestorePrivilege	684	msiexec.exe
Token: SeTakeOwnershipPrivilege	684	msiexec.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exeCShell.exe

description	pid	process	target process
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 1480 wrote to memory of 904	1480	806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe	CShell.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe
PID 904 wrote to memory of 556	904	CShell.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe
"C:\Users\Admin\AppData\Local\Temp\806c6f10cf3ff2ddcfb8a3c9bb9f418c30b63b6eff5a62e94548d5156694b599.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1480

C:\Users\Admin\AppData\Local\Temp\RarSFX0\CShell.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\CShell.exe" APPLICATIONFOLDER="D:\Apps\CShell" /qn
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe /i "C:\ProgramData\ClassicShellSetup64_4_3_1.msi" APPLICATIONFOLDER="D:\Apps\CShell" /qn
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:556

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
PID:684

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\ClassicShellSetup64_4_3_1.msi
Filesize
4.9MB

MD5
3a9ced12ba930d535142b39784ea08d6

SHA1
f2f9292bbe66ad212d86a3fbb86c48096dbdc319

SHA256
a23720f2f68e0100794db619339df333a2e889a21d198337012cbd4f1d6861e3

SHA512
4c9ee8c1afb24bfc38af92e3b40675b968574662622059187ff64192af29aebd1ff798b8e974393e80506ee1117216a0a1f20d7c13602919e6ffa121602df1d3

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
61KB

MD5
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3B20.tmp
Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\CShell.exe
Filesize
7.0MB

MD5
da9085c5a9749d328b5ab13e69153deb

SHA1
cae9bc13eb12cac63a3cca40a0678c3ed83e50ec

SHA256
9c880e40fd90beaf67ba7f7293c37b5dd37816d20ea6317797b01448b58a4d58

SHA512
c0ba3dc821c483a2b07600892e61103124362c0af20256464e718090140ddee2153152f8fd667eb7bcc8bef429ccbd5234b87b640b032120546087aa9f88984d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\CShell.exe
Filesize
7.0MB

MD5
da9085c5a9749d328b5ab13e69153deb

SHA1
cae9bc13eb12cac63a3cca40a0678c3ed83e50ec

SHA256
9c880e40fd90beaf67ba7f7293c37b5dd37816d20ea6317797b01448b58a4d58

SHA512
c0ba3dc821c483a2b07600892e61103124362c0af20256464e718090140ddee2153152f8fd667eb7bcc8bef429ccbd5234b87b640b032120546087aa9f88984d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3E2F.tmp
Filesize
161KB

MD5
73b4b714b42fc9a6aaefd0ae59adb009

SHA1
efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

SHA256
c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

SHA512
73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar45A4.tmp
Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\CShell.exe
Filesize
7.0MB

MD5
da9085c5a9749d328b5ab13e69153deb

SHA1
cae9bc13eb12cac63a3cca40a0678c3ed83e50ec

SHA256
9c880e40fd90beaf67ba7f7293c37b5dd37816d20ea6317797b01448b58a4d58

SHA512
c0ba3dc821c483a2b07600892e61103124362c0af20256464e718090140ddee2153152f8fd667eb7bcc8bef429ccbd5234b87b640b032120546087aa9f88984d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads