3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047

Analysis

max time kernel
149s
max time network
161s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 19:53

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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
1592	msisetup.exe
1096	msisetup.exe

Loads dropped DLL 2 IoCs

pid	Process
1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe
1592	msisetup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 1096	1592	msisetup.exe	27

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 1 IoCs

pid	Process
1096	msisetup.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1592	msisetup.exe
1096	msisetup.exe
1096	msisetup.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1416 wrote to memory of 1592	1416	3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe	26
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1592 wrote to memory of 1096	1592	msisetup.exe	27
PID 1096 wrote to memory of 964	1096	msisetup.exe	28
PID 1096 wrote to memory of 964	1096	msisetup.exe	28
PID 1096 wrote to memory of 964	1096	msisetup.exe	28
PID 1096 wrote to memory of 964	1096	msisetup.exe	28

C:\Users\Admin\AppData\Local\Temp\3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe
"C:\Users\Admin\AppData\Local\Temp\3c0a9947e72bb6c3965b7f5e556331667d95698e078faf6d07ac7994fdc7d047.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1592
- - 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:1096
  - - C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      4⤵
      PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\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
\Users\Admin\AppData\Local\Temp\RarSFX0\msisetup.exe

Filesize
15.1MB

MD5
1e446eb62df775a6bced88d8027f4f35

SHA1
0055f2702e8806193717ecd73a665bead7d32a2b

SHA256
6de7cc1f1e08bf52c5064e49fb85c2e74ff83d470d0a970b38c128cb01e1778d

SHA512
31bd01b5fa9d903f1ce122826a8fb1927e67a380029f7b62c348812ce60744c006b08c2e4ebd024bd96a4454052e8d7a29f63a1529b215ded8d4a6eba9334efc

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

Filesize
15.1MB

MD5
1e446eb62df775a6bced88d8027f4f35

SHA1
0055f2702e8806193717ecd73a665bead7d32a2b

SHA256
6de7cc1f1e08bf52c5064e49fb85c2e74ff83d470d0a970b38c128cb01e1778d

SHA512
31bd01b5fa9d903f1ce122826a8fb1927e67a380029f7b62c348812ce60744c006b08c2e4ebd024bd96a4454052e8d7a29f63a1529b215ded8d4a6eba9334efc

Download Submit
memory/964-85-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

Filesize
8KB

Download
memory/1096-71-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-83-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-66-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-68-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-70-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-86-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-72-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-74-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-76-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-62-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-79-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-81-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-64-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1096-61-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1416-54-0x0000000075E81000-0x0000000075E83000-memory.dmp

Filesize
8KB

Download