41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 16:25

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General

Target

41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe
Size

112KB
MD5

3dfc6b97ad44bf4ca8667a80e7023b80
SHA1

f33fdd4709d6cd6e91c7e6982e190b734d74c08b
SHA256

41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d
SHA512

2967c25f23089ce5fe975d579f04082bfb53a15e9caefa943cb105094dd6ce4e90ba7409624baf2baf7a51ea901b499c4a2164c0c4e655a2552f32eecf292dfb
SSDEEP

1536:E9wro4UWQFkQZP2LSkS+yiPmuHS/UWrUuOOJE5fiExEENYaIT8XDyJ:E9whQmQZgjTHScWrUmJElxEECCD

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	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.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
1860	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1336	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 944	1336	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe	28
PID 1336 wrote to memory of 944	1336	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe	28
PID 1336 wrote to memory of 944	1336	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe	28
PID 1336 wrote to memory of 944	1336	41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe	28
PID 944 wrote to memory of 1860	944	cmd.exe	30
PID 944 wrote to memory of 1860	944	cmd.exe	30
PID 944 wrote to memory of 1860	944	cmd.exe	30
PID 944 wrote to memory of 1860	944	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe
"C:\Users\Admin\AppData\Local\Temp\41bb237aba2daf77dcee5e02c7b634187a4fd8feb677c0f6417a0afc467b358d.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 41bb237aba2daf77dcee5e02c7b634187a
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1860

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/1336-56-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

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