55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 16:52

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General

Target

55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe
Size

76KB
MD5

5391b1529c6641def796b87b278eba40
SHA1

02d27ebc0e68ffd939fa32376623fbc835dafe21
SHA256

55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b
SHA512

187e62f35048b309cc7877061732a2eaa798b3e0112ea6ed9b86adea528a04d4025fdc577c75c7c7d9a518b6f0c39c35b4b44fc662022b26688b692c5cdefc75
SSDEEP

1536:sidlOpARAc+o3Kef6b4BfnjmNHp0FgHJazt+ZdRW:LdguAfbknywFgHJaR0W

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1740 cmd.exe

pid	process
1740	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

Processes:

55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.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

Processes:

tasklist.exe

pid process

1600 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1600 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe

pid process

1972 55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe

pid	process
1600	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1600	tasklist.exe

pid	process
1972	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.execmd.exe

description	pid	process	target process
PID 1972 wrote to memory of 1740	1972	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe	cmd.exe
PID 1972 wrote to memory of 1740	1972	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe	cmd.exe
PID 1972 wrote to memory of 1740	1972	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe	cmd.exe
PID 1972 wrote to memory of 1740	1972	55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe	cmd.exe
PID 1740 wrote to memory of 1600	1740	cmd.exe	tasklist.exe
PID 1740 wrote to memory of 1600	1740	cmd.exe	tasklist.exe
PID 1740 wrote to memory of 1600	1740	cmd.exe	tasklist.exe
PID 1740 wrote to memory of 1600	1740	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe
"C:\Users\Admin\AppData\Local\Temp\55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 55698d24d2d606b53f2433608af775349b586a2a9d13dced659d11d10bc70f3b.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1600

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/1600-58-0x0000000000000000-mapping.dmp

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memory/1740-57-0x0000000000000000-mapping.dmp

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memory/1972-56-0x00000000760D1000-0x00000000760D3000-memory.dmp

Filesize
8KB

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