97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b

Analysis

max time kernel
25s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/10/2022, 14:31

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General

Target

97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe
Size

72KB
MD5

6a66342fc974b506d4316fd56b2c3d60
SHA1

144fc7eab428173a2488dcafc72749c4cf6123aa
SHA256

97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b
SHA512

88e245cb8418d888167a5545762b9617f3022804e2292f2396e61dc4b8c178891e56ebb03dfbf2680a335dd4fad1c6181444b548b7018331208566047b5e8bb7
SSDEEP

1536:ZphbisPfQAaBLsNlP0ufZxKKKKKKKKKRL:pdPYoPjfZU

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1416	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	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.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
1432	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1872	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 1416	1872	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe	28
PID 1872 wrote to memory of 1416	1872	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe	28
PID 1872 wrote to memory of 1416	1872	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe	28
PID 1872 wrote to memory of 1416	1872	97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe	28
PID 1416 wrote to memory of 1432	1416	cmd.exe	30
PID 1416 wrote to memory of 1432	1416	cmd.exe	30
PID 1416 wrote to memory of 1432	1416	cmd.exe	30
PID 1416 wrote to memory of 1432	1416	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe
"C:\Users\Admin\AppData\Local\Temp\97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 97cfd4090d84b9ec08d5daec2da0c539249ba2ba226e45e060a596e0dacc897b.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1432

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/1872-56-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

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