41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838

Analysis

max time kernel
40s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 02:11

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General

Target

41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe
Size

82KB
MD5

6958068037ed95a6f3c78c007cf013f0
SHA1

795790f1b77b417c34d715c9c54dc2a76f9bc928
SHA256

41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838
SHA512

8780221025686ef18be3e0e92936db23ed2c9005f6c9b63d524ecb0ede6b3432aa2a2bad6b8f729f73289d750bd2f106281f34234cf7b3c66d501a4f987e0f84
SSDEEP

1536:Dj28KTKXXuMVgVnzt/5/1G3cyHAbbfQnf2yVJW:SginzlR1fzbfQfn

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1088	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	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.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
692	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	692	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2016	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1088	2016	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe	28
PID 2016 wrote to memory of 1088	2016	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe	28
PID 2016 wrote to memory of 1088	2016	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe	28
PID 2016 wrote to memory of 1088	2016	41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe	28
PID 1088 wrote to memory of 692	1088	cmd.exe	30
PID 1088 wrote to memory of 692	1088	cmd.exe	30
PID 1088 wrote to memory of 692	1088	cmd.exe	30
PID 1088 wrote to memory of 692	1088	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe
"C:\Users\Admin\AppData\Local\Temp\41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 41b3719f6edd47064edfd263a3afaee39341956582c45e1fe2f4e7e127fd4838.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:692

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/2016-56-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

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