66f7d8cb4ae8a8a1a9989f4a66070f9d7eefa029e2c7ff575e447827abbfcb0b

General

Target

cfd33d516ee92bc96d6eb380b7f8e7fb.exe
Size

3.0MB
MD5

cfd33d516ee92bc96d6eb380b7f8e7fb
SHA1

8b1a6c2d8430ad40674d7aa9b564261c8b5f4f85
SHA256

66f7d8cb4ae8a8a1a9989f4a66070f9d7eefa029e2c7ff575e447827abbfcb0b
SHA512

53180a9fcc2dce7fb0edbf2831a079804430f2b2255dd76b2c337dc0628f3fde69535668fba86a34530fac4956df3ad671f2ad3e6497130b2cf9f5d64e7d3481

Score

8^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x00030000000225b7-136.dat	aspack_v212_v242
behavioral2/files/0x00030000000225b7-137.dat	aspack_v212_v242

Executes dropped EXE 3 IoCs

pid	Process
4148	dllhost.exe
4104	crac.exe
3636	dllhost.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	cfd33d516ee92bc96d6eb380b7f8e7fb.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	dllhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4148 set thread context of 3636	4148	dllhost.exe	95

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4148	dllhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	crac.exe
Token: 33	440	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	440	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4148	dllhost.exe
3636	dllhost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 4512	4660	cfd33d516ee92bc96d6eb380b7f8e7fb.exe	80
PID 4660 wrote to memory of 4512	4660	cfd33d516ee92bc96d6eb380b7f8e7fb.exe	80
PID 4660 wrote to memory of 4512	4660	cfd33d516ee92bc96d6eb380b7f8e7fb.exe	80
PID 4512 wrote to memory of 4148	4512	cmd.exe	83
PID 4512 wrote to memory of 4148	4512	cmd.exe	83
PID 4512 wrote to memory of 4148	4512	cmd.exe	83
PID 4512 wrote to memory of 4104	4512	cmd.exe	84
PID 4512 wrote to memory of 4104	4512	cmd.exe	84
PID 4512 wrote to memory of 4104	4512	cmd.exe	84
PID 4148 wrote to memory of 3636	4148	dllhost.exe	95
PID 4148 wrote to memory of 3636	4148	dllhost.exe	95
PID 4148 wrote to memory of 3636	4148	dllhost.exe	95
PID 4148 wrote to memory of 3636	4148	dllhost.exe	95

C:\Users\Admin\AppData\Local\Temp\cfd33d516ee92bc96d6eb380b7f8e7fb.exe
"C:\Users\Admin\AppData\Local\Temp\cfd33d516ee92bc96d6eb380b7f8e7fb.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\start.bat" C:\Users\Admin\AppData\Local\Temp\cfd33d516ee92bc96d6eb380b7f8e7fb.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\dllhost.exe
    dllhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4148
  - - C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\dllhost.exe
      "C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\dllhost.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetWindowsHookEx
      PID:3636
- - C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\crac.exe
    crac.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4104

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4bc 0x2f4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\crac.exe

Filesize
2.2MB

MD5
c22f4bdea9cb2b92b363b7ca84e98992

SHA1
6a55b2b4d5933cf37bb419f48758e9d011b32a09

SHA256
1e7d93b7da6d178a92f1c8cce77edc31d2e85bf05f957dd5212a2a94a63c4926

SHA512
6797bc5872d7df2f7685cce66c089ace45021a8c3858d73e5744691d569e03dd3cbe4c7c458019ce482cdf702be5d9543e452337a9832abbef7e5239f5e50509

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\crac.exe

Filesize
2.2MB

MD5
c22f4bdea9cb2b92b363b7ca84e98992

SHA1
6a55b2b4d5933cf37bb419f48758e9d011b32a09

SHA256
1e7d93b7da6d178a92f1c8cce77edc31d2e85bf05f957dd5212a2a94a63c4926

SHA512
6797bc5872d7df2f7685cce66c089ace45021a8c3858d73e5744691d569e03dd3cbe4c7c458019ce482cdf702be5d9543e452337a9832abbef7e5239f5e50509

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\dllhost.exe

Filesize
84KB

MD5
d8e0462c633785181b5b31ea98308a0b

SHA1
69809c0237167c9666ef2b50aa1694e2a8ca38ac

SHA256
5ebb3cc4e09a0fb9434d07543cd821538008462dc037c6d6323a32b8bd26dd6e

SHA512
0e63d4e2d765005bca3647109315bbac9bb6ea0a640212ffbbeaa949043dc1f36396265c5c4ad80e1cd0701b03ebcbd1c0938df4fbd1e48528feaf997df65aee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\dllhost.exe

Filesize
84KB

MD5
d8e0462c633785181b5b31ea98308a0b

SHA1
69809c0237167c9666ef2b50aa1694e2a8ca38ac

SHA256
5ebb3cc4e09a0fb9434d07543cd821538008462dc037c6d6323a32b8bd26dd6e

SHA512
0e63d4e2d765005bca3647109315bbac9bb6ea0a640212ffbbeaa949043dc1f36396265c5c4ad80e1cd0701b03ebcbd1c0938df4fbd1e48528feaf997df65aee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\dllhost.exe

Filesize
84KB

MD5
d8e0462c633785181b5b31ea98308a0b

SHA1
69809c0237167c9666ef2b50aa1694e2a8ca38ac

SHA256
5ebb3cc4e09a0fb9434d07543cd821538008462dc037c6d6323a32b8bd26dd6e

SHA512
0e63d4e2d765005bca3647109315bbac9bb6ea0a640212ffbbeaa949043dc1f36396265c5c4ad80e1cd0701b03ebcbd1c0938df4fbd1e48528feaf997df65aee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCF9.tmp\start.bat

Filesize
80B

MD5
d3e1968f1feff01c334eb0ae4943662c

SHA1
9161e9ab4d4ceadb1667890b884742db96db6541

SHA256
500f6b19bd4c892f5cb4502975e5287b49170eaf84948bc5153b747b30773de3

SHA512
5992099816fd7b6e8bb5bcb3af321301aa9dbc3936a00704384dc0009a92957b10d07aaf853e581864776777c3ceca00e20e2cfe34902c637cacefd98b1c8f1a

Download Submit
memory/3636-153-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3636-152-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3636-150-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4104-143-0x0000000005510000-0x0000000005AB4000-memory.dmp

Filesize
5.6MB

Download
memory/4104-144-0x0000000005AC0000-0x0000000005B52000-memory.dmp

Filesize
584KB

Download
memory/4104-145-0x0000000005E20000-0x0000000005E2A000-memory.dmp

Filesize
40KB

Download
memory/4104-142-0x0000000000400000-0x00000000006FA000-memory.dmp

Filesize
3.0MB

Download
memory/4104-140-0x0000000000400000-0x00000000006FA000-memory.dmp

Filesize
3.0MB

Download
memory/4104-139-0x0000000000400000-0x00000000006FA000-memory.dmp

Filesize
3.0MB

Download
memory/4148-148-0x00000000005D0000-0x00000000005D5000-memory.dmp

Filesize
20KB

Download

Analysis

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