c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a

Analysis

max time kernel
22s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 04:58

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General

Target

c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe
Size

92KB
MD5

812ae464b69bdd3bf16a28324606ffd0
SHA1

5a67fd0d1bc22f333d0a6b452b4a324ce576235a
SHA256

c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a
SHA512

52a6c46ec24a46183f99e9c1ca151648c85ee825467ca8684a1802ff1df26b7b843e570d345dadba466e5533064ead61c2c2499bf5a9b9aca1631d6f6ea10b95
SSDEEP

1536:t6Yv99blmZSQ/bYe0g/ICs+6kzYZVpekZKB0gOEgXGn:tvblmZSQ/bYPg/ICs+FCVpekZKBMJWn

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	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.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
1784	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 1252	1352	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	28
PID 1352 wrote to memory of 1252	1352	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	28
PID 1352 wrote to memory of 1252	1352	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	28
PID 1352 wrote to memory of 1252	1352	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	28
PID 1252 wrote to memory of 1784	1252	cmd.exe	30
PID 1252 wrote to memory of 1784	1252	cmd.exe	30
PID 1252 wrote to memory of 1784	1252	cmd.exe	30
PID 1252 wrote to memory of 1784	1252	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe
"C:\Users\Admin\AppData\Local\Temp\c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del c5b77c3bcab528afb8aab2f75d5ace07da
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1784

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/1352-56-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1352-57-0x0000000003DF0000-0x00000000048AA000-memory.dmp

Filesize
10.7MB

Download