71032ee8d3bb7e5b97fc58c2478c58b218730eb7a56929da7c5d4816e202e71c

General

Target

OLUn8L3Z.exe
Size

940KB
MD5

d7a6c07be5a5f212884d01797c3d5fa6
SHA1

e4cb2a03354a7417f1062c89b0f08018863380df
SHA256

71032ee8d3bb7e5b97fc58c2478c58b218730eb7a56929da7c5d4816e202e71c
SHA512

50cddcdff86594fea2f2ffe24cdef71b0bf9fbd46703f3dca37f2a89630a57ea63c0b5cbd2d0be682e2e9f03bdcb478cd61c5bc959fa7f35d132e70f04f20d7c

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1972 schtasks.exe

pid	process
1972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

OLUn8L3Z.exe

pid	process
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe
4048	OLUn8L3Z.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

OLUn8L3Z.exe

description pid process

Token: SeDebugPrivilege 4048 OLUn8L3Z.exe

description	pid	process
Token: SeDebugPrivilege	4048	OLUn8L3Z.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

OLUn8L3Z.exe

description	pid	process	target process
PID 4048 wrote to memory of 1972	4048	OLUn8L3Z.exe	schtasks.exe
PID 4048 wrote to memory of 1972	4048	OLUn8L3Z.exe	schtasks.exe
PID 4048 wrote to memory of 1972	4048	OLUn8L3Z.exe	schtasks.exe
PID 4048 wrote to memory of 3892	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3892	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3892	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3836	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3836	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3836	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3912	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3912	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3912	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3900	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3900	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3900	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3872	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3872	4048	OLUn8L3Z.exe	OLUn8L3Z.exe
PID 4048 wrote to memory of 3872	4048	OLUn8L3Z.exe	OLUn8L3Z.exe

C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe
"C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ainJbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DA8.tmp"
2⤵
- Creates scheduled task(s)
PID:1972

C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe
"C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe"
2⤵
PID:3892

C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe
"C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe"
2⤵
PID:3836

C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe
"C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe"
2⤵
PID:3912

C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe
"C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe"
2⤵
PID:3900

C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe
"C:\Users\Admin\AppData\Local\Temp\OLUn8L3Z.exe"
2⤵
PID:3872

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9DA8.tmp
MD5
e2dbe533d06927770b32d795c49fb510

SHA1
6ba40512427f52d8d2aa2b88c54ef275ed61b4f5

SHA256
353ea3d767376e893670e205666b8320e4e4965ec6ccb03d825bd9a94c990527

SHA512
b453d9e89fe8e8fe77f74ad4718bfd42d5ae752cf38335377f1fd77262012bb36cf88783ac540d010a04af1f8de07716c60f7925305f9e3592c49c6452d27816

Download Submit
memory/1972-124-0x0000000000000000-mapping.dmp

Download
memory/4048-114-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/4048-116-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/4048-117-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/4048-118-0x00000000052A0000-0x00000000052A1000-memory.dmp

Filesize
4KB

Download
memory/4048-119-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/4048-120-0x0000000005470000-0x0000000005479000-memory.dmp

Filesize
36KB

Download
memory/4048-121-0x0000000005160000-0x000000000565E000-memory.dmp

Filesize
5.0MB

Download
memory/4048-122-0x0000000001000000-0x0000000001080000-memory.dmp

Filesize
512KB

Download
memory/4048-123-0x0000000009B40000-0x0000000009B87000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads