b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874

Analysis

max time kernel
47s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 15:28

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General

Target

b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe
Size

76KB
MD5

6b45e97402c483b4aca61f3f70f26848
SHA1

40199f38a00da11048d10afba26f953b782a403a
SHA256

b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874
SHA512

ee0e4496368fcd48618eef17b6c2f9234db12fc91188e346490331df1f9a9070d2da3aabae6f2f5c49049a30e38ae7228a1056168ce32e8b8ca73a7baa67919e
SSDEEP

1536:xidlOpARzc+o3Kef6b4BnnjmNHp0HHJazt+ZeR9:MdguxfbknywHHJaRB9

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
684	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	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.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
1636	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 684	1724	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe	28
PID 1724 wrote to memory of 684	1724	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe	28
PID 1724 wrote to memory of 684	1724	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe	28
PID 1724 wrote to memory of 684	1724	b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe	28
PID 684 wrote to memory of 1636	684	cmd.exe	30
PID 684 wrote to memory of 1636	684	cmd.exe	30
PID 684 wrote to memory of 1636	684	cmd.exe	30
PID 684 wrote to memory of 1636	684	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe
"C:\Users\Admin\AppData\Local\Temp\b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b116eaa14d9c947b1f7c4b6368d2a9bb29ae297f0e0fbc5fed8c185355ab6874.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1636

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/1724-56-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

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memory/1724-57-0x00000000041B0000-0x0000000004C6A000-memory.dmp

Filesize
10.7MB

Download