49dc002fa1a0a1e33621a7d9340fb7bd0ac8b9834fc5958823d1f2bed6fa5956

Resubmissions

27-06-2024 00:44

240627-a3xahswdlr 10

27-06-2024 00:40

240627-az8t5swbrn 6

Analysis

max time kernel
41s
max time network
39s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 00:40

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General

Target

setup.msi
Size

25.2MB
MD5

3d87a0e5517c9a8fc4adde50bafe7c76
SHA1

a1ba3b688dcb9b17ed1d430f3032e2884a0565e4
SHA256

49dc002fa1a0a1e33621a7d9340fb7bd0ac8b9834fc5958823d1f2bed6fa5956
SHA512

ebadfdc465dc5c32c854931a9f8712320cfc3752e04b3fec56a1b103c6f225c1de0c6892b1cd90b362f56d38685b8d5851e2cbefdf3291f8389b5cea2e337042
SSDEEP

393216:f+KUUMVzPuPA9BA/UODO0HAAqC+7Rw+lK2WhAS7KdROb7xmq7IrWowIpUDV5:f+YMVD9cECbq+QWhASOdM3N7gTwx

Score

6^/10

persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

MsiExec.exe

flow pid process

4 2632 MsiExec.exe
7 2632 MsiExec.exe
9 2632 MsiExec.exe
11 2632 MsiExec.exe

flow	pid	process
4	2632	MsiExec.exe
7	2632	MsiExec.exe
9	2632	MsiExec.exe
11	2632	MsiExec.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

Processes:

msiexec.exemsiexec.exe

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

Drops file in Windows directory 13 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\f762aa9.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2AE7.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI45CB.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI460A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5190.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f762aac.ipi	msiexec.exe
File created	C:\Windows\Installer\f762aa9.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2B75.tmp	msiexec.exe
File created	C:\Windows\Installer\f762aac.ipi	msiexec.exe
File created	C:\Windows\Installer\f762aae.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2BC4.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2C13.tmp	msiexec.exe

Executes dropped EXE 2 IoCs

Processes:

UnRAR.exesteamerrorreporter64.exe

pid process

2152 UnRAR.exe
1800 steamerrorreporter64.exe
Loads dropped DLL 10 IoCs

Processes:

MsiExec.exemsiexec.exesteamerrorreporter64.exe

pid process

2632 MsiExec.exe
2632 MsiExec.exe
2632 MsiExec.exe
2632 MsiExec.exe
2632 MsiExec.exe
2632 MsiExec.exe
2516 msiexec.exe
2516 msiexec.exe
1800 steamerrorreporter64.exe
1800 steamerrorreporter64.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs
persistence privilege_escalation

Installer Packages
T1546.016

Processes:

msiexec.exe

pid process

2872 msiexec.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

2516 msiexec.exe
2516 msiexec.exe

pid	process
2152	UnRAR.exe
1800	steamerrorreporter64.exe

pid	process
2632	MsiExec.exe
2632	MsiExec.exe
2632	MsiExec.exe
2632	MsiExec.exe
2632	MsiExec.exe
2632	MsiExec.exe
2516	msiexec.exe
2516	msiexec.exe
1800	steamerrorreporter64.exe
1800	steamerrorreporter64.exe

pid	process
2872	msiexec.exe

pid	process
2516	msiexec.exe
2516	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	2872	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2872	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeSecurityPrivilege	2516	msiexec.exe
Token: SeCreateTokenPrivilege	2872	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2872	msiexec.exe
Token: SeLockMemoryPrivilege	2872	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2872	msiexec.exe
Token: SeMachineAccountPrivilege	2872	msiexec.exe
Token: SeTcbPrivilege	2872	msiexec.exe
Token: SeSecurityPrivilege	2872	msiexec.exe
Token: SeTakeOwnershipPrivilege	2872	msiexec.exe
Token: SeLoadDriverPrivilege	2872	msiexec.exe
Token: SeSystemProfilePrivilege	2872	msiexec.exe
Token: SeSystemtimePrivilege	2872	msiexec.exe
Token: SeProfSingleProcessPrivilege	2872	msiexec.exe
Token: SeIncBasePriorityPrivilege	2872	msiexec.exe
Token: SeCreatePagefilePrivilege	2872	msiexec.exe
Token: SeCreatePermanentPrivilege	2872	msiexec.exe
Token: SeBackupPrivilege	2872	msiexec.exe
Token: SeRestorePrivilege	2872	msiexec.exe
Token: SeShutdownPrivilege	2872	msiexec.exe
Token: SeDebugPrivilege	2872	msiexec.exe
Token: SeAuditPrivilege	2872	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2872	msiexec.exe
Token: SeChangeNotifyPrivilege	2872	msiexec.exe
Token: SeRemoteShutdownPrivilege	2872	msiexec.exe
Token: SeUndockPrivilege	2872	msiexec.exe
Token: SeSyncAgentPrivilege	2872	msiexec.exe
Token: SeEnableDelegationPrivilege	2872	msiexec.exe
Token: SeManageVolumePrivilege	2872	msiexec.exe
Token: SeImpersonatePrivilege	2872	msiexec.exe
Token: SeCreateGlobalPrivilege	2872	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe
Token: SeRestorePrivilege	2516	msiexec.exe
Token: SeTakeOwnershipPrivilege	2516	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

2872 msiexec.exe
2872 msiexec.exe

pid	process
2872	msiexec.exe
2872	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2632	2516	msiexec.exe	MsiExec.exe
PID 2516 wrote to memory of 2152	2516	msiexec.exe	UnRAR.exe
PID 2516 wrote to memory of 2152	2516	msiexec.exe	UnRAR.exe
PID 2516 wrote to memory of 2152	2516	msiexec.exe	UnRAR.exe
PID 2516 wrote to memory of 1800	2516	msiexec.exe	steamerrorreporter64.exe
PID 2516 wrote to memory of 1800	2516	msiexec.exe	steamerrorreporter64.exe
PID 2516 wrote to memory of 1800	2516	msiexec.exe	steamerrorreporter64.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\setup.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2872

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding 71AA17C9C76EE90E89997D225ED99671
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:2632

C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\UnRAR.exe
"C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\UnRAR.exe" x -p2664926658a "C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\ruw9eigh.rar" "C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\"
2⤵
- Executes dropped EXE
PID:2152

C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\steamerrorreporter64.exe
"C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\steamerrorreporter64.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Config.Msi\f762aad.rbs
Filesize
21KB

MD5
043a564be98ae88d799b47be02990b9e

SHA1
5f00d9854afffcaf39cb53da997617cbed5dfb65

SHA256
faea6118338513bb029c266bb172e2823ea56cd5c68f6e3330ed098cf98de22e

SHA512
9c25fd22692cc3ec927fb2d167dd200d6f693b1a468d350b342f6753a4ffcd0fda97c7627b0d34242aab5312539cc73b35c735f16f6a33b18974ba168b12e870

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
304B

MD5
20c27800c985eec944360ccdea02d809

SHA1
740a04db75247a09b55bd1b457b1a1d1d386c044

SHA256
b0b041db299dc3d566ec4dd0347b8a5db68f4b4a961cc8e15601dc2f1622cdd5

SHA512
dbd91e7fbe23f2e9ea311834a60e78201b5d5e9a8461cdeb0c366df9e7ace29830e7dee3a06b89b460dfbe4b2fd7c270e662c3bc2911cc400ff02e6e44cdcaa1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4848.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4959.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\ruw9eigh.rar
Filesize
373KB

MD5
3bb1ffe94c9dbb62a7d25f3c284a8b0a

SHA1
3252e94a08282832877209a21f9635454c9214e4

SHA256
61317fbab24ad8b0c043c391b501a8c2850c0e82a466b7c6ccadf9cf1fcd78e9

SHA512
92adcc8abf1d5575c668fac7470321160519000976c044b72f3e4d79ff1571b72d9adf4689e0608d8bbe121b52a58c32f2e8825980fb8285a7383dab77ca5127

Download Submit
C:\Windows\Installer\MSI2AE7.tmp
Filesize
738KB

MD5
b158d8d605571ea47a238df5ab43dfaa

SHA1
bb91ae1f2f7142b9099e3cc285f4f5b84de568e4

SHA256
ca763693cc25d316f14a9ebad80ebf00590329550c45adb7e5205486533c2504

SHA512
56aef59c198acf2fcd0d95ea6e32ce1c706e5098a0800feff13ddb427bfb4d538de1c415a5cb5496b09a5825155e3abb1c13c8c37dc31549604bd4d63cb70591

Download Submit
C:\Windows\Installer\MSI2BC4.tmp
Filesize
1.1MB

MD5
1a2b237796742c26b11a008d0b175e29

SHA1
cfd5affcfb3b6fd407e58dfc7187fad4f186ea18

SHA256
81e0df47bcb2b3380fb0fb58b0d673be4ef1b0367fd2b0d80ab8ee292fc8f730

SHA512
3135d866bf91f9e09b980dd649582072df1f53eabe4c5ac5d34fff1aeb5b6fa01d38d87fc31de19a0887a910e95309bcf0e7ae54e6e8ed2469feb64da4a4f9e5

Download Submit
C:\Windows\Installer\MSI460A.tmp
Filesize
364KB

MD5
54d74546c6afe67b3d118c3c477c159a

SHA1
957f08beb7e27e657cd83d8ee50388b887935fae

SHA256
f9956417af079e428631a6c921b79716d960c3b4917c6b7d17ff3cb945f18611

SHA512
d27750b913cc2b7388e9948f42385d0b4124e48335ae7fc0bc6971f4f807dbc9af63fe88675bc440eb42b9a92551bf2d77130b1633ddda90866616b583ae924f

Download Submit
C:\Windows\Installer\f762aa9.msi
Filesize
25.2MB

MD5
3d87a0e5517c9a8fc4adde50bafe7c76

SHA1
a1ba3b688dcb9b17ed1d430f3032e2884a0565e4

SHA256
49dc002fa1a0a1e33621a7d9340fb7bd0ac8b9834fc5958823d1f2bed6fa5956

SHA512
ebadfdc465dc5c32c854931a9f8712320cfc3752e04b3fec56a1b103c6f225c1de0c6892b1cd90b362f56d38685b8d5851e2cbefdf3291f8389b5cea2e337042

Download Submit
\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\UnRAR.exe
Filesize
494KB

MD5
98ccd44353f7bc5bad1bc6ba9ae0cd68

SHA1
76a4e5bf8d298800c886d29f85ee629e7726052d

SHA256
e51021f6cb20efbd2169f2a2da10ce1abca58b4f5f30fbf4bae931e4ecaac99b

SHA512
d6e8146a1055a59cba5e2aaf47f6cb184acdbe28e42ec3daebf1961a91cec5904554d9d433ebf943dd3639c239ef11560fa49f00e1cff02e11cd8d3506c4125f

Download Submit
\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\steamerrorreporter64.exe
Filesize
639KB

MD5
fd3ce044ac234fdab3df9d7f492c470a

SHA1
a74a287d5d82a8071ab36c72b2786342d83a8ef7

SHA256
0a0c09753b5103e86e32c2d8086dd1399f0d97a00e1525ec9c390067cdb242ba

SHA512
86d7e805fab0e5130003facbb1525ee261440846f342f53ae64c3f8d676d1208d5fd9bd91e3222c63cc30c443348eb5ddedab14c8847dae138fba7e9be69d08d

Download Submit
\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\tier0_s64.dll
Filesize
386KB

MD5
7e60404cfb232a1d3708a9892d020e84

SHA1
31328d887bee17641608252fb2f9cd6caf8ba522

SHA256
5a3e15cb90baf4b3ebe0621fa6f5f37b0fe99848387d6f2fd99ae770d1e6d766

SHA512
4d8abd59bd77bdb6e5b5e5f902d2a10fa5136437c51727783e79aed6a796f9ee1807faf14f1a72a1341b9f868f61de8c676b00a4b07a2a26cfb8a4db1b77eb3c

Download Submit
\Users\Admin\AppData\Roaming\Kidoc Wiasc Publisher\PubQuo\vstdlib_s64.dll
Filesize
995KB

MD5
c8d22143c0ea5feb023abe4074e4a926

SHA1
4f857d5614b79ca337b5bce9292e7f1cad7cc934

SHA256
5d7936ac0a5dca5e397e1540a1d5e36bf16fda618f5fb096aec20c10999e853c

SHA512
cae75aac582c2a232cfae37bdb8184ba1f2db1ac1fb634032db57ea8e0fc448ee23c3ca300ba0db831d6eb656e1fd6652e05b1fae182cda9099dd06ce29f8b18

Download Submit