f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6

Analysis

max time kernel
37s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/10/2022, 14:55

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General

Target

f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe
Size

40KB
MD5

7b3c7296787eef9e4d3f2b3ff1042d00
SHA1

6559cde5c092946fef41183c003190535d456224
SHA256

f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6
SHA512

1cc34d1d30a176006de3f344c5cdb16ca8bd14576f8b6da30ce4713e0f084ec36d929bb487985e1df7f94cc400294b006af7b8afcbfb3c3149c116cb016a7ee8
SSDEEP

384:9riZB806LtRkzUZpvBXiFWZlzSZsHYRxySz15IL6ps2QdhA4I7m3zonzh:NWB806JrDZlIxySz15qAKoN

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
680	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
524	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	524	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1988	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 680	1988	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe	28
PID 1988 wrote to memory of 680	1988	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe	28
PID 1988 wrote to memory of 680	1988	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe	28
PID 1988 wrote to memory of 680	1988	f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe	28
PID 680 wrote to memory of 524	680	cmd.exe	30
PID 680 wrote to memory of 524	680	cmd.exe	30
PID 680 wrote to memory of 524	680	cmd.exe	30
PID 680 wrote to memory of 524	680	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe
"C:\Users\Admin\AppData\Local\Temp\f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del f449937eddef7e7b7849c29198a81840cf847347bdb0841827c282ea2be4c6c6.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:680
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1988-56-0x0000000075911000-0x0000000075913000-memory.dmp

Filesize
8KB

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