b764836a6f00850418edaedc6c4eb4ed2ba8a08d42f790f6b0f687dc4b97503e

Analysis

max time kernel
65s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
15/09/2022, 08:15

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General

Target
Purchase Order No. PO2732559-022.pdf (742 KB).exe
Size 808KB
Sample220915-j5k5pscdd2
SHA256 ea32c3c39c8c3f83e95916262d37b5aa49c920a9356dcebfa639b8391413ae9a
MD5 a2609cffa6b57d22ffbe342013f59847
SHA1 9dd92ebe68c7b149cb09edebf7587adf7ee5a4e5
SHA512 adb6409708564e0e4070e22c2f0786861f756721f6e2defb15e3e7dc4547336d5d7f70b347a3c0f105acae0ae312b08470154fe0ea09ee5a912cd1d76a4d2b9f
SSDEEP 12288:SzE+eQ2iNEF75euLUDYGbOwUjJLN4DXwEBYHofeVs06RBteoqpo1cxWY4/:ZQ16Z5fSYv5vsXwVHofdYoqpo2
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe
1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe
1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe
1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe
1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe
664	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe
Token: SeDebugPrivilege	664	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 664	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	27
PID 1368 wrote to memory of 664	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	27
PID 1368 wrote to memory of 664	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	27
PID 1368 wrote to memory of 664	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	27
PID 1368 wrote to memory of 1332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	29
PID 1368 wrote to memory of 1332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	29
PID 1368 wrote to memory of 1332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	29
PID 1368 wrote to memory of 1332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	29
PID 1368 wrote to memory of 304	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	31
PID 1368 wrote to memory of 304	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	31
PID 1368 wrote to memory of 304	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	31
PID 1368 wrote to memory of 304	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	31
PID 1368 wrote to memory of 1792	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	32
PID 1368 wrote to memory of 1792	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	32
PID 1368 wrote to memory of 1792	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	32
PID 1368 wrote to memory of 1792	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	32
PID 1368 wrote to memory of 332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	33
PID 1368 wrote to memory of 332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	33
PID 1368 wrote to memory of 332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	33
PID 1368 wrote to memory of 332	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	33
PID 1368 wrote to memory of 1536	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	34
PID 1368 wrote to memory of 1536	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	34
PID 1368 wrote to memory of 1536	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	34
PID 1368 wrote to memory of 1536	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	34
PID 1368 wrote to memory of 680	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	35
PID 1368 wrote to memory of 680	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	35
PID 1368 wrote to memory of 680	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	35
PID 1368 wrote to memory of 680	1368	Purchase Order No. PO2732559-022.pdf (742 KB).exe	35

C:\Users\Admin\AppData\Local\Temp\Purchase Order No. PO2732559-022.pdf (742 KB).exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No. PO2732559-022.pdf (742 KB).exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QUpHmWbjFCSqN.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:664
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QUpHmWbjFCSqN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1585.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1332
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:304
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:332
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp1585.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp1585.tmp
Size 1KB
SHA256 f5ae87448a722047eed6dfae560334e7fb574beba2bfbb75fcd349e852c05811
MD5 5fbe3548ff14878205e23b18c59bc88c
SHA1 a320283ed8acfd51d28fd6db6775502bf6d78e31
SHA512 11c837192bad0c3fd90e3819f15660e1e4f0c87a96550a4883c2616abe1b8f0df9d15b38c92990e39b7d5b5a9561208b7140d7b499869795af6cc1dd18ed43f3
MD5 SHA1 SHA512

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memory/664-64-0x000000006E280000-0x000000006E82B000-memory.dmp

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memory/664-65-0x000000006E280000-0x000000006E82B000-memory.dmp

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memory/1368-54-0x00000000012A0000-0x0000000001370000-memory.dmp

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memory/1368-55-0x0000000074E41000-0x0000000074E43000-memory.dmp

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memory/1368-56-0x0000000000750000-0x0000000000768000-memory.dmp

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memory/1368-57-0x0000000000B20000-0x0000000000B2C000-memory.dmp

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memory/1368-58-0x0000000008160000-0x0000000008204000-memory.dmp

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memory/1368-63-0x0000000004FA0000-0x0000000004FEA000-memory.dmp

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