8a572189d449be581188db033f77172d4f84649cdddaa81e8f00390e8e71a987

Analysis

max time kernel
104s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2023 12:31

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General

Target

arrow/4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe
Size

17KB
MD5

e41f3d5033575c4f4cf2acd0d1d0624d
SHA1

18ff7a2ec479855e65ba2a83deeb917abed16ff9
SHA256

4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5
SHA512

d51e644c8f66735625556d15af240756b72f61f616133b9412b27cacc17fadf42a8ee2113eaa6f544c376bd66464cf177f8ca556d75d532d2d799f5327e2fd29
SSDEEP

384:eBAiyJNFVJU14KU6nX2D+bFQkNubvg+4OXEW46njPHoWWDDDDDDDDDDN:iGFwWp6nnb+/XjDjYDDDDDDDDDDN

Score

7^/10

Malware Config

Signatures

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3964	1632	WerFault.exe	84

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4204	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3384	powershell.exe
3384	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe
Token: SeDebugPrivilege	3384	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 3384	1632	4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe	85
PID 1632 wrote to memory of 3384	1632	4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe	85
PID 1632 wrote to memory of 3384	1632	4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe	85
PID 3384 wrote to memory of 612	3384	powershell.exe	87
PID 3384 wrote to memory of 612	3384	powershell.exe	87
PID 3384 wrote to memory of 612	3384	powershell.exe	87
PID 612 wrote to memory of 4204	612	cmd.exe	88
PID 612 wrote to memory of 4204	612	cmd.exe	88
PID 612 wrote to memory of 4204	612	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\arrow\4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe
"C:\Users\Admin\AppData\Local\Temp\arrow\4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc YwBtAGQAIAAvAEMAIAB0AGkAbQBlAG8AdQB0ACAAMgAyAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3384
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /C timeout 22
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:612
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 22
      4⤵
      Delays execution with timeout.exe
      PID:4204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 2264
  2⤵
  - Program crash
  PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1632 -ip 1632
1⤵
PID:4464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xz2hfp5u.fsb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1632-134-0x0000000004BF0000-0x0000000004C00000-memory.dmp

Filesize
64KB

Download
memory/1632-157-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/1632-133-0x00000000002F0000-0x00000000002FA000-memory.dmp

Filesize
40KB

Download
memory/1632-152-0x0000000004BF0000-0x0000000004C00000-memory.dmp

Filesize
64KB

Download
memory/3384-136-0x0000000005550000-0x0000000005B78000-memory.dmp

Filesize
6.2MB

Download
memory/3384-137-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

Filesize
64KB

Download
memory/3384-140-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/3384-141-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/3384-139-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

Filesize
64KB

Download
memory/3384-151-0x00000000061F0000-0x000000000620E000-memory.dmp

Filesize
120KB

Download
memory/3384-138-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/3384-153-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

Filesize
64KB

Download
memory/3384-154-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

Filesize
64KB

Download
memory/3384-135-0x0000000002C30000-0x0000000002C66000-memory.dmp

Filesize
216KB

Download