88e02def17fda0021d4dba5ea812772c542b0fa6ca8930bcf06c42375c00bd29

Resubmissions

17-11-2022 12:48

221117-p1yg5aad8t 8

17-11-2022 11:49

221117-ny7scaec69 8

Analysis

max time kernel
85s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2022 12:48

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General

Target

Adobe Acrobat/setup.exe
Size

654.4MB
MD5

94032e57b7bd0b054e358ccafe314a5c
SHA1

8b693624f57e92da1ae0aff69cf010891710c0ec
SHA256

47332ce5b904b959aa814ddfde8662931fdfb5233422dc45053ad04cffc44fb4
SHA512

54e8ca05a317e53b7dfee8bd2ec89beb921017c0409c0b8d75cbf3cbea3a540d0e2781ee42a230ad52e92e1026d69e591c140606437ac4d096b13a578ceec242
SSDEEP

49152:sM9fgA9cT7dfGHESyneZnyT1M1kpRdjlEao5EBDtGQnlX8f/01A:bgpKEvTUEbG8l

Score

8^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3560	BK2c7L9Si8.exe
4160	policyintroductoryov.exe
920	policyintroductoryov.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	policyintroductoryov.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	BK2c7L9Si8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	BK2c7L9Si8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4160 set thread context of 920	4160	policyintroductoryov.exe	102

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 4 IoCs

pid	Process
832	powershell.exe
832	powershell.exe
708	powershell.exe
708	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1984	wmic.exe
Token: SeSecurityPrivilege	1984	wmic.exe
Token: SeTakeOwnershipPrivilege	1984	wmic.exe
Token: SeLoadDriverPrivilege	1984	wmic.exe
Token: SeSystemProfilePrivilege	1984	wmic.exe
Token: SeSystemtimePrivilege	1984	wmic.exe
Token: SeProfSingleProcessPrivilege	1984	wmic.exe
Token: SeIncBasePriorityPrivilege	1984	wmic.exe
Token: SeCreatePagefilePrivilege	1984	wmic.exe
Token: SeBackupPrivilege	1984	wmic.exe
Token: SeRestorePrivilege	1984	wmic.exe
Token: SeShutdownPrivilege	1984	wmic.exe
Token: SeDebugPrivilege	1984	wmic.exe
Token: SeSystemEnvironmentPrivilege	1984	wmic.exe
Token: SeRemoteShutdownPrivilege	1984	wmic.exe
Token: SeUndockPrivilege	1984	wmic.exe
Token: SeManageVolumePrivilege	1984	wmic.exe
Token: 33	1984	wmic.exe
Token: 34	1984	wmic.exe
Token: 35	1984	wmic.exe
Token: 36	1984	wmic.exe
Token: SeIncreaseQuotaPrivilege	1984	wmic.exe
Token: SeSecurityPrivilege	1984	wmic.exe
Token: SeTakeOwnershipPrivilege	1984	wmic.exe
Token: SeLoadDriverPrivilege	1984	wmic.exe
Token: SeSystemProfilePrivilege	1984	wmic.exe
Token: SeSystemtimePrivilege	1984	wmic.exe
Token: SeProfSingleProcessPrivilege	1984	wmic.exe
Token: SeIncBasePriorityPrivilege	1984	wmic.exe
Token: SeCreatePagefilePrivilege	1984	wmic.exe
Token: SeBackupPrivilege	1984	wmic.exe
Token: SeRestorePrivilege	1984	wmic.exe
Token: SeShutdownPrivilege	1984	wmic.exe
Token: SeDebugPrivilege	1984	wmic.exe
Token: SeSystemEnvironmentPrivilege	1984	wmic.exe
Token: SeRemoteShutdownPrivilege	1984	wmic.exe
Token: SeUndockPrivilege	1984	wmic.exe
Token: SeManageVolumePrivilege	1984	wmic.exe
Token: 33	1984	wmic.exe
Token: 34	1984	wmic.exe
Token: 35	1984	wmic.exe
Token: 36	1984	wmic.exe
Token: SeIncreaseQuotaPrivilege	4400	WMIC.exe
Token: SeSecurityPrivilege	4400	WMIC.exe
Token: SeTakeOwnershipPrivilege	4400	WMIC.exe
Token: SeLoadDriverPrivilege	4400	WMIC.exe
Token: SeSystemProfilePrivilege	4400	WMIC.exe
Token: SeSystemtimePrivilege	4400	WMIC.exe
Token: SeProfSingleProcessPrivilege	4400	WMIC.exe
Token: SeIncBasePriorityPrivilege	4400	WMIC.exe
Token: SeCreatePagefilePrivilege	4400	WMIC.exe
Token: SeBackupPrivilege	4400	WMIC.exe
Token: SeRestorePrivilege	4400	WMIC.exe
Token: SeShutdownPrivilege	4400	WMIC.exe
Token: SeDebugPrivilege	4400	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4400	WMIC.exe
Token: SeRemoteShutdownPrivilege	4400	WMIC.exe
Token: SeUndockPrivilege	4400	WMIC.exe
Token: SeManageVolumePrivilege	4400	WMIC.exe
Token: 33	4400	WMIC.exe
Token: 34	4400	WMIC.exe
Token: 35	4400	WMIC.exe
Token: 36	4400	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4400	WMIC.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1984	1680	setup.exe	81
PID 1680 wrote to memory of 1984	1680	setup.exe	81
PID 1680 wrote to memory of 4724	1680	setup.exe	83
PID 1680 wrote to memory of 4724	1680	setup.exe	83
PID 4724 wrote to memory of 4400	4724	cmd.exe	85
PID 4724 wrote to memory of 4400	4724	cmd.exe	85
PID 1680 wrote to memory of 2440	1680	setup.exe	86
PID 1680 wrote to memory of 2440	1680	setup.exe	86
PID 2440 wrote to memory of 1784	2440	cmd.exe	90
PID 2440 wrote to memory of 1784	2440	cmd.exe	90
PID 1680 wrote to memory of 832	1680	setup.exe	92
PID 1680 wrote to memory of 832	1680	setup.exe	92
PID 832 wrote to memory of 3560	832	powershell.exe	95
PID 832 wrote to memory of 3560	832	powershell.exe	95
PID 3560 wrote to memory of 4160	3560	BK2c7L9Si8.exe	98
PID 3560 wrote to memory of 4160	3560	BK2c7L9Si8.exe	98
PID 4160 wrote to memory of 708	4160	policyintroductoryov.exe	100
PID 4160 wrote to memory of 708	4160	policyintroductoryov.exe	100
PID 4160 wrote to memory of 920	4160	policyintroductoryov.exe	102
PID 4160 wrote to memory of 920	4160	policyintroductoryov.exe	102
PID 4160 wrote to memory of 920	4160	policyintroductoryov.exe	102
PID 4160 wrote to memory of 920	4160	policyintroductoryov.exe	102
PID 4160 wrote to memory of 920	4160	policyintroductoryov.exe	102
PID 4160 wrote to memory of 920	4160	policyintroductoryov.exe	102

C:\Users\Admin\AppData\Local\Temp\Adobe Acrobat\setup.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Acrobat\setup.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\System32\Wbem\wmic.exe
  wmic os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1984
- C:\Windows\system32\cmd.exe
  cmd /C "wmic path win32_VideoController get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4724
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic path win32_VideoController get name
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4400
- C:\Windows\system32\cmd.exe
  cmd /C "wmic cpu get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic cpu get name
    3⤵
    PID:1784
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "start-process C:\Users\Admin\AppData\Local\Temp\BK2c7L9Si8.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:832
- - C:\Users\Admin\AppData\Local\Temp\BK2c7L9Si8.exe
    "C:\Users\Admin\AppData\Local\Temp\BK2c7L9Si8.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3560
  - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4160
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:708
    - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe
        5⤵
        Executes dropped EXE
        
        PID:920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\policyintroductoryov.exe.log

Filesize
1KB

MD5
1d35832a5dffff9f6b8b8bf1afe49e22

SHA1
3e5a0a843a954ee61e78813ede5f9c9e0f22199e

SHA256
cd69818b4c7223a79498e2706cd488ea3619388e6ce3de950bd1cca1ffeb40d3

SHA512
356c3b815a410939b2ab55198ba043125fce24ac2518e56b548d924c4fec1a617169819c76c11188143476d20bc117577fb92b89524ec84dba029d0049b4b784

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
3ca1082427d7b2cd417d7c0b7fd95e4e

SHA1
b0482ff5b58ffff4f5242d77330b064190f269d3

SHA256
31f15dc6986680b158468bf0b4a1c00982b07b2889f360befd8a466113940d8f

SHA512
bbcfd8ea1e815524fda500b187483539be4a8865939f24c6e713f0a3bd90b69b4367c36aa2b09886b2006b685f81f0a77eec23ab58b7e2fb75304b412deb6ca3

Download Submit
C:\Users\Admin\AppData\Local\Temp\BK2c7L9Si8.exe

Filesize
1.7MB

MD5
238a69aa001a8f4801f018863fa06a7c

SHA1
809b9edf1e948c7aff5443b446d240d3ee80226c

SHA256
8e24e96e1e87cf00e27c3a3745414636fbf6e148077c0f6815a2b87bacf85c8d

SHA512
60573a5a53bb7f8a3d60efa915a94acb46f17ef4ca8eb1b778ac0719af98f67010aeef964e2afe45c8cb07e946c96546f2a350ab9402efd5ae265d4cdd5a2f3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\BK2c7L9Si8.exe

Filesize
1.7MB

MD5
238a69aa001a8f4801f018863fa06a7c

SHA1
809b9edf1e948c7aff5443b446d240d3ee80226c

SHA256
8e24e96e1e87cf00e27c3a3745414636fbf6e148077c0f6815a2b87bacf85c8d

SHA512
60573a5a53bb7f8a3d60efa915a94acb46f17ef4ca8eb1b778ac0719af98f67010aeef964e2afe45c8cb07e946c96546f2a350ab9402efd5ae265d4cdd5a2f3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe

Filesize
357.6MB

MD5
9cac86ba6401ceec99e64adc76922684

SHA1
2a79d539a701ad8d9f36c931e32a550d29718ac2

SHA256
35695ee171cad89e3378abad9e5fa24c26a8b467ef9d3115277d8d981d23712c

SHA512
097d36d45251b950a6b0e7e8e68fa86dfbdfb8d1cb87832ba81cf47c0cabc6e4e85e9c3b18dfc08078f7c8f9b08ec8787938c0dd096e315a44148d7166f0adce

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe

Filesize
357.6MB

MD5
9cac86ba6401ceec99e64adc76922684

SHA1
2a79d539a701ad8d9f36c931e32a550d29718ac2

SHA256
35695ee171cad89e3378abad9e5fa24c26a8b467ef9d3115277d8d981d23712c

SHA512
097d36d45251b950a6b0e7e8e68fa86dfbdfb8d1cb87832ba81cf47c0cabc6e4e85e9c3b18dfc08078f7c8f9b08ec8787938c0dd096e315a44148d7166f0adce

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\policyintroductoryov.exe

Filesize
357.6MB

MD5
9cac86ba6401ceec99e64adc76922684

SHA1
2a79d539a701ad8d9f36c931e32a550d29718ac2

SHA256
35695ee171cad89e3378abad9e5fa24c26a8b467ef9d3115277d8d981d23712c

SHA512
097d36d45251b950a6b0e7e8e68fa86dfbdfb8d1cb87832ba81cf47c0cabc6e4e85e9c3b18dfc08078f7c8f9b08ec8787938c0dd096e315a44148d7166f0adce

Download Submit
memory/708-155-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/708-154-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/708-151-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/832-138-0x00000225AD090000-0x00000225AD0B2000-memory.dmp

Filesize
136KB

Download
memory/832-142-0x00007FFFDE860000-0x00007FFFDF321000-memory.dmp

Filesize
10.8MB

Download
memory/832-152-0x00007FFFDE860000-0x00007FFFDF321000-memory.dmp

Filesize
10.8MB

Download
memory/920-156-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/920-161-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/920-162-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/4160-146-0x0000000000F50000-0x0000000001402000-memory.dmp

Filesize
4.7MB

Download
memory/4160-153-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/4160-147-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download
memory/4160-160-0x00007FFFDE670000-0x00007FFFDF131000-memory.dmp

Filesize
10.8MB

Download