0b6c36488bcb097d2b217fd15c7794c54a7991b6c9858e2dfa2bd06c3f3c41e7

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 17:32

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General

Target

virussign.com_27b6bd825a546f97eef0488370acc8a0.exe
Size

37KB
MD5

27b6bd825a546f97eef0488370acc8a0
SHA1

50262c75d6e81573795311da39f3784554cde50f
SHA256

0b6c36488bcb097d2b217fd15c7794c54a7991b6c9858e2dfa2bd06c3f3c41e7
SHA512

f6aa891e1c291be4407c9e775ed5222b6b3ca5dc54adbd4f40d4ed5b8aa09b359abdfdd9479b14d537d9d3fc7fe567616b650513a41222235ae286fafdf9e789
SSDEEP

384:oPDUQ/pgeY/PiZpIPHbABisNtA0lYDlIq9dXrm7AG3fmPIJq96NhKl1S:+l/BEPiAvbAbDYDlJdXqEG3eyDKk

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2104	gffos.exe

Loads dropped DLL 2 IoCs

pid	Process
2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe
2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe
2104	gffos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2104	2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe	28
PID 2364 wrote to memory of 2104	2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe	28
PID 2364 wrote to memory of 2104	2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe	28
PID 2364 wrote to memory of 2104	2364	virussign.com_27b6bd825a546f97eef0488370acc8a0.exe	28

C:\Users\Admin\AppData\Local\Temp\virussign.com_27b6bd825a546f97eef0488370acc8a0.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_27b6bd825a546f97eef0488370acc8a0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\gffos.exe
  "C:\Users\Admin\AppData\Local\Temp\gffos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\gffos.exe

Filesize
37KB

MD5
56cd1c76e6db9e34e5352b0e6f4135b7

SHA1
da5ab9ecee9e48311ee05b8cfbefa83bf7be574c

SHA256
fda2c6cdab82ab5ad6703ce18842db15dced49b2e1c817d7278c15ba5f4cff5d

SHA512
88bf86a1583bc478bb6c18f67a454046487b3f944def6818bb58c9c4e5524a69d68428249303f63dadf3539c2f02b177197f1403021b901b6197f05ecfd8ef41

Download Submit
memory/2104-24-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/2364-0-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2364-7-0x0000000000560000-0x0000000000568000-memory.dmp

Filesize
32KB

Download