c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d

Analysis

max time kernel
21s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
21/10/2022, 02:12

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General

Target

c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe
Size

91KB
MD5

72b5d799579e0fd0e3607860e8edd0e0
SHA1

e9503c4f1870e647eb5e68bfc644f5556cd5ca6f
SHA256

c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d
SHA512

ab3d2b9bd57ae1c39df495a38cf43d6394671ac699fc54812c5c806daac7566a43185aa71abd4d243a15e4fdae5675616b0b4a18ac3c36ddfa39735609879f9c
SSDEEP

768:JN8LQfqe0yKWLOe3v/Gq73/7y4P6upQ97PtBRDtO7EuonLFR3ysISlJxjC4E5:JNXF0yKfe+a3/7y4fE5zxvLtlJZn

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
568	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	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.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
1568	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1568	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1628	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 568	1628	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe	31
PID 1628 wrote to memory of 568	1628	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe	31
PID 1628 wrote to memory of 568	1628	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe	31
PID 1628 wrote to memory of 568	1628	c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe	31
PID 568 wrote to memory of 1568	568	cmd.exe	32
PID 568 wrote to memory of 1568	568	cmd.exe	32
PID 568 wrote to memory of 1568	568	cmd.exe	32
PID 568 wrote to memory of 1568	568	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe
"C:\Users\Admin\AppData\Local\Temp\c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del c4a5eae83cf7b2a5b1e84daa9e199e0ff76cc0a19a09f18d2c33907125894b7d.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1568

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/1628-56-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

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