4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05

Analysis

max time kernel
41s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 00:31

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General

Target

4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe
Size

20KB
MD5

6e43b097540509dd0628b3fffaa65ad0
SHA1

b5ae8cbcb11a0c3750fc735ec0fdfb724d4d33d8
SHA256

4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05
SHA512

619789287720f1f6ba0f0175d5615235b69a4153166a33ab7446974a8566c3744b633648ed4e915c6459da569d2302a31341ab5f2bb2d49cb11e5b535dbe545a
SSDEEP

384:V+d5di3+PfZsDiM3PfsBhnRGjLbjnsJzTwJcecqybQ1:QfdPf41ETHw2dqybi

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2032	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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.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
2036	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1676	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2032	1676	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe	28
PID 1676 wrote to memory of 2032	1676	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe	28
PID 1676 wrote to memory of 2032	1676	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe	28
PID 1676 wrote to memory of 2032	1676	4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe	28
PID 2032 wrote to memory of 2036	2032	cmd.exe	30
PID 2032 wrote to memory of 2036	2032	cmd.exe	30
PID 2032 wrote to memory of 2036	2032	cmd.exe	30
PID 2032 wrote to memory of 2036	2032	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe
"C:\Users\Admin\AppData\Local\Temp\4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 4a36cb3d686de3ed35de293d649d637b81bb585faf282c08107aba100c6acc05.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2036

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

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Downloads

memory/1676-56-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download
memory/1676-57-0x0000000003440000-0x0000000003EFA000-memory.dmp

Filesize
10.7MB

Download