59589235d3eed993eacd7c2b6d9b63c9d6faa3fdf237d557e150505ea3f881f7

General

Target

421e136baee96d526f5f2175cb135de5189bec2254ab79299086855205e99a4f.msi
Size

16.3MB
MD5

5a18762f37bcc48d7a1bf2d0c3f93f5e
SHA1

2a12dbee41bb1b7e9ed446df32ab5eb018a90d6c
SHA256

421e136baee96d526f5f2175cb135de5189bec2254ab79299086855205e99a4f
SHA512

564b389c68b424a7eec4f7a8d1870dae36adf482f25cfdb737f26a48f935f2b244edccfb509b76939908e11153c0af195e062e859617ba61577626437de407be
SSDEEP

393216:P/UR5b58HYFiP0FnHwT7FD5qN45bvrk55PsjD2ttUZfxQI:P87tA0FnHSrvrknsvWtUZfD

Score

6^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2980	msiexec.exe

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

Drops file in System32 directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vccorlib140.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\vcruntime140.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\msvcp140.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\msvcp140_1.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\msvcp140_2.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\msvcp140_atomic_wait.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\msvcp140_codecvt_ids.dll	msiexec.exe
File opened for modification	C:\Windows\SysWOW64\concrt140.dll	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2980	msiexec.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2980	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2980	msiexec.exe
Token: SeRestorePrivilege	2912	msiexec.exe
Token: SeTakeOwnershipPrivilege	2912	msiexec.exe
Token: SeSecurityPrivilege	2912	msiexec.exe
Token: SeCreateTokenPrivilege	2980	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2980	msiexec.exe
Token: SeLockMemoryPrivilege	2980	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2980	msiexec.exe
Token: SeMachineAccountPrivilege	2980	msiexec.exe
Token: SeTcbPrivilege	2980	msiexec.exe
Token: SeSecurityPrivilege	2980	msiexec.exe
Token: SeTakeOwnershipPrivilege	2980	msiexec.exe
Token: SeLoadDriverPrivilege	2980	msiexec.exe
Token: SeSystemProfilePrivilege	2980	msiexec.exe
Token: SeSystemtimePrivilege	2980	msiexec.exe
Token: SeProfSingleProcessPrivilege	2980	msiexec.exe
Token: SeIncBasePriorityPrivilege	2980	msiexec.exe
Token: SeCreatePagefilePrivilege	2980	msiexec.exe
Token: SeCreatePermanentPrivilege	2980	msiexec.exe
Token: SeBackupPrivilege	2980	msiexec.exe
Token: SeRestorePrivilege	2980	msiexec.exe
Token: SeShutdownPrivilege	2980	msiexec.exe
Token: SeDebugPrivilege	2980	msiexec.exe
Token: SeAuditPrivilege	2980	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2980	msiexec.exe
Token: SeChangeNotifyPrivilege	2980	msiexec.exe
Token: SeRemoteShutdownPrivilege	2980	msiexec.exe
Token: SeUndockPrivilege	2980	msiexec.exe
Token: SeSyncAgentPrivilege	2980	msiexec.exe
Token: SeEnableDelegationPrivilege	2980	msiexec.exe
Token: SeManageVolumePrivilege	2980	msiexec.exe
Token: SeImpersonatePrivilege	2980	msiexec.exe
Token: SeCreateGlobalPrivilege	2980	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2980	msiexec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\421e136baee96d526f5f2175cb135de5189bec2254ab79299086855205e99a4f.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2980

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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C:\Users\Admin\AppData\Local\Temp\Cab7C15.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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C:\Users\Admin\AppData\Local\Temp\Tar7C46.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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C:\Users\Admin\AppData\Local\Temp\Tar7DD4.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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Analysis

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