3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047

General

Target

3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe
Size

5.0MB
MD5

428effc51f7b673ed032ffebb0cae50b
SHA1

ac1a0f69f497547daf854a332a1f288ca295179a
SHA256

3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047
SHA512

22138a15989a1d3c5e68dce31f85c79a36e8b631fb85609c424c359a9756914fb34da0f9db89c999b811957ecd17041b917720178565baea3f6f7af5ad9fb682
SSDEEP

98304:HKbs+KniHMDhTG8WKIgt8QJlx7K0DP5TgMNNcbrcW7YsAKo16gvJXUaS8zA:HKVSiOTG8pIgN7KwxRArc4YsAKDEdev

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4944	msisetup.exe
4936	msisetup.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 4936	4944	msisetup.exe	83

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4936	msisetup.exe
4936	msisetup.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4944	msisetup.exe
4936	msisetup.exe
4936	msisetup.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 4944	4684	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	82
PID 4684 wrote to memory of 4944	4684	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	82
PID 4684 wrote to memory of 4944	4684	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	82
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4944 wrote to memory of 4936	4944	msisetup.exe	83
PID 4936 wrote to memory of 3104	4936	msisetup.exe	84
PID 4936 wrote to memory of 3104	4936	msisetup.exe	84

C:\Users\Admin\AppData\Local\Temp\3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe
"C:\Users\Admin\AppData\Local\Temp\3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4936
  - - C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      4⤵
      PID:3104

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3768

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\RarSFX0\msisetup.exe

Filesize
15.1MB

MD5
1e446eb62df775a6bced88d8027f4f35

SHA1
0055f2702e8806193717ecd73a665bead7d32a2b

SHA256
6de7cc1f1e08bf52c5064e49fb85c2e74ff83d470d0a970b38c128cb01e1778d

SHA512
31bd01b5fa9d903f1ce122826a8fb1927e67a380029f7b62c348812ce60744c006b08c2e4ebd024bd96a4454052e8d7a29f63a1529b215ded8d4a6eba9334efc

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe

Filesize
15.1MB

MD5
1e446eb62df775a6bced88d8027f4f35

SHA1
0055f2702e8806193717ecd73a665bead7d32a2b

SHA256
6de7cc1f1e08bf52c5064e49fb85c2e74ff83d470d0a970b38c128cb01e1778d

SHA512
31bd01b5fa9d903f1ce122826a8fb1927e67a380029f7b62c348812ce60744c006b08c2e4ebd024bd96a4454052e8d7a29f63a1529b215ded8d4a6eba9334efc

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe

Filesize
15.1MB

MD5
1e446eb62df775a6bced88d8027f4f35

SHA1
0055f2702e8806193717ecd73a665bead7d32a2b

SHA256
6de7cc1f1e08bf52c5064e49fb85c2e74ff83d470d0a970b38c128cb01e1778d

SHA512
31bd01b5fa9d903f1ce122826a8fb1927e67a380029f7b62c348812ce60744c006b08c2e4ebd024bd96a4454052e8d7a29f63a1529b215ded8d4a6eba9334efc

Download Submit
memory/4936-138-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/4936-136-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/4936-139-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/4936-140-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/4936-141-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/4936-143-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/4936-144-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download

Analysis

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