85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05

Analysis

max time kernel
35s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 21:36

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General

Target

85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe
Size

72KB
MD5

33e0a944d34133296dc4afbd50048ca0
SHA1

aa6e13fa2d8493ead14e4009c8f93159e09b6bc9
SHA256

85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05
SHA512

74ba1e3cc35f07c48538101693e0fb1b30df770d71c44166877df6f69f476e35ccd32303b3b98ffe6773f4593fa314e959a2f628b345d1974b34b2c25283f6d0
SSDEEP

768:/puEF9zcOzyzv8EH2VtwYMh+YpX3BVQNrQQMFY9cGQhnXXpL5XKKKKKKKKKRTP:/pu4x/yzffeMFYSnHZxKKKKKKKKKRL

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1332	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	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.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
832	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1612	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1332	1612	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe	27
PID 1612 wrote to memory of 1332	1612	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe	27
PID 1612 wrote to memory of 1332	1612	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe	27
PID 1612 wrote to memory of 1332	1612	85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe	27
PID 1332 wrote to memory of 832	1332	cmd.exe	29
PID 1332 wrote to memory of 832	1332	cmd.exe	29
PID 1332 wrote to memory of 832	1332	cmd.exe	29
PID 1332 wrote to memory of 832	1332	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe
"C:\Users\Admin\AppData\Local\Temp\85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1332
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:832

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/1612-56-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1612-57-0x00000000038C0000-0x000000000437A000-memory.dmp

Filesize
10.7MB

Download