a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2

Analysis

max time kernel
150s
max time network
197s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02-12-2022 20:44

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General

Target

a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe
Size

72KB
MD5

3c1aa2be3548d174f41af3009a887660
SHA1

a0eb2c3b91a15ea22afe397f23db289e5d3112fa
SHA256

a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2
SHA512

60d94b54af7e9657bf4863f5355b05f64087437a57e4dc1c607b453af1af6158dd6ec01321cad91771c4667f01a3d8fb7747664c0bc32e1328e0ca2e1d6048f2
SSDEEP

768:RsuEkySOOzyzv8EH2VtwYMh+YpX3BVQNrQQMFY9cGQh0hXpL5XKKKKKKKKKRTP:RsuJDyzffeMFYS0hZxKKKKKKKKKRL

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1204	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	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.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
324	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1120	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1204	1120	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe	29
PID 1120 wrote to memory of 1204	1120	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe	29
PID 1120 wrote to memory of 1204	1120	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe	29
PID 1120 wrote to memory of 1204	1120	a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe	29
PID 1204 wrote to memory of 324	1204	cmd.exe	31
PID 1204 wrote to memory of 324	1204	cmd.exe	31
PID 1204 wrote to memory of 324	1204	cmd.exe	31
PID 1204 wrote to memory of 324	1204	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe
"C:\Users\Admin\AppData\Local\Temp\a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del a1828d7e3aee83921e680deebdead39aeb87eb12d97ee578375c4d1a1759d4a2.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:324

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/324-59-0x0000000000000000-mapping.dmp

Download
memory/1120-56-0x0000000076581000-0x0000000076583000-memory.dmp

Filesize
8KB

Download
memory/1120-57-0x00000000039A0000-0x000000000445A000-memory.dmp

Filesize
10.7MB

Download
memory/1204-58-0x0000000000000000-mapping.dmp

Download