878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1

Analysis

max time kernel
34s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 01:19

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General

Target

878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe
Size

40KB
MD5

08755e1cdb40b10c2e8641b399594f80
SHA1

ffbf0fa0321819327715a1564473fc855ffb7569
SHA256

878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1
SHA512

e173d563956eababc43666d7f4f79f7243d5d411966d355d3c3fb7f421ff3dab443317c21c793c163a08b9e4dd42598f541386443efecdd61e2afbcd5c289108
SSDEEP

768:X2o5KRVtxy16D/t4AM0aIbwbNA5wSc2J:mRRVtxS6JwtuJ

Score

6^/10

Malware Config

Signatures

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	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.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
1020	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
784	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 1252	784	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe	27
PID 784 wrote to memory of 1252	784	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe	27
PID 784 wrote to memory of 1252	784	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe	27
PID 784 wrote to memory of 1252	784	878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe	27
PID 1252 wrote to memory of 1020	1252	cmd.exe	29
PID 1252 wrote to memory of 1020	1252	cmd.exe	29
PID 1252 wrote to memory of 1020	1252	cmd.exe	29
PID 1252 wrote to memory of 1020	1252	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe
"C:\Users\Admin\AppData\Local\Temp\878cbd7eb23c7130fb80f15535fb98877b1e35137e7010e7fdc99b577c65a8a1.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 878cbd7eb23c7130fb80f15535fb98877b
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1020

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/784-56-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/784-57-0x0000000004100000-0x0000000004BBA000-memory.dmp

Filesize
10.7MB

Download