deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde

Analysis

max time kernel
36s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 07:21

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General

Target

deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe
Size

68KB
MD5

3c2fb3c8a825780fcbf5b9f7397da4fb
SHA1

1c2eb48c17bfa4496d75407acab3d00fa5cd36dc
SHA256

deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde
SHA512

f57fb7c2631337d35900c10b8f479f2fc083ba3e03a3cec7dff468ec8c8e2b547aa041d8b15ad7723b8396633be76593f0fd3b661fbaf0c4a6b422c9ec6bbe4e
SSDEEP

768:KfYsXArloOPo6+AUqW54sEfBHf/SsSIQopwLwTuxaDOu4wLD5eEys5DL:KQLm3AUqWKVH3SsqLwTuxaiuLDMcL

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe

Deletes itself 1 IoCs

pid	Process
1252	cmd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1016 set thread context of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28

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
1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe
2032	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28
PID 1016 wrote to memory of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28
PID 1016 wrote to memory of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28
PID 1016 wrote to memory of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28
PID 1016 wrote to memory of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28
PID 1016 wrote to memory of 2032	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	28
PID 1016 wrote to memory of 1252	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	29
PID 1016 wrote to memory of 1252	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	29
PID 1016 wrote to memory of 1252	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	29
PID 1016 wrote to memory of 1252	1016	deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe	29

C:\Users\Admin\AppData\Local\Temp\deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe
"C:\Users\Admin\AppData\Local\Temp\deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - Checks BIOS information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c for /l %i in (1,1,4000000000) do if not exist "C:\Users\Admin\AppData\Local\Temp\deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe" (exit) else (del /f "C:\Users\Admin\AppData\Local\Temp\deefc774686f8a71a7b91294798e729904c1852a29e410f1786d7a386365bbde.exe")
  2⤵
  - Deletes itself
  PID:1252

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

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Downloads

memory/1016-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/1016-58-0x0000000002000000-0x00000000021F0000-memory.dmp

Filesize
1.9MB

Download
memory/1016-59-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2032-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download