806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff

Analysis

max time kernel
43s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 19:46

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General

Target

806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe
Size

84KB
MD5

a105bbe3c19309fa1aa356eb5744ee80
SHA1

c1f1c6ce7dbcf30ef10742b07148725c45664c0e
SHA256

806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff
SHA512

ef03adf1df473703b3fca1ad0ff36b75ddd0165067b2fff4ec9db0e36a838a52d69de8d011f8ca951ef915b1907d33bd3fd949fc314598c489cdf4217cf69c81
SSDEEP

768:Vzbrwr+UcxsC6MGjTP7ri8ZFr8JoH07NECVEqMD/Zcjd1Mq2jPQoaFc:Vrwr+Ucxh6JPHi8Zh8SHE/Acj4NPQG

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
556	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	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.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
1440	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
848	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 556	848	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe	28
PID 848 wrote to memory of 556	848	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe	28
PID 848 wrote to memory of 556	848	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe	28
PID 848 wrote to memory of 556	848	806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe	28
PID 556 wrote to memory of 1440	556	cmd.exe	30
PID 556 wrote to memory of 1440	556	cmd.exe	30
PID 556 wrote to memory of 1440	556	cmd.exe	30
PID 556 wrote to memory of 1440	556	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe
"C:\Users\Admin\AppData\Local\Temp\806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 806efc62a82076a2ea8275180668a084a2b85104d4f1c5b31911a40795376cff.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1440

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/848-56-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

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memory/848-57-0x0000000003900000-0x00000000043BA000-memory.dmp

Filesize
10.7MB

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