e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf

General

Target

e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe
Size

452KB
MD5

1ff4a36e50040bece8c274d024d582c7
SHA1

05be85a8c649b0358a43072ea05f6d3bab7fb6b4
SHA256

e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf
SHA512

e72159022b1a2ed0bba646fd4017187f637f59fa720fdaec2886514e5d782759849a0146ba29fad38109f4fed40f2cf05aca23c662f28120bb1a8a77bc0dbd86
SSDEEP

6144:YpBSftDean1r4V6PsCezxeW/QATpqOkLaD7mHr5MjJe0FZQ5zzn:YpQf8an1sV7z/Y0pGufmL5MZZWv

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1420	olprxao.exe

Deletes itself 1 IoCs

pid	Process
1992	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
1992	cmd.exe
1992	cmd.exe
1420	olprxao.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1924	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
584	PING.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe
1420	olprxao.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 1992	1400	e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe	27
PID 1400 wrote to memory of 1992	1400	e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe	27
PID 1400 wrote to memory of 1992	1400	e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe	27
PID 1400 wrote to memory of 1992	1400	e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe	27
PID 1992 wrote to memory of 1924	1992	cmd.exe	29
PID 1992 wrote to memory of 1924	1992	cmd.exe	29
PID 1992 wrote to memory of 1924	1992	cmd.exe	29
PID 1992 wrote to memory of 1924	1992	cmd.exe	29
PID 1992 wrote to memory of 584	1992	cmd.exe	31
PID 1992 wrote to memory of 584	1992	cmd.exe	31
PID 1992 wrote to memory of 584	1992	cmd.exe	31
PID 1992 wrote to memory of 584	1992	cmd.exe	31
PID 1992 wrote to memory of 1420	1992	cmd.exe	32
PID 1992 wrote to memory of 1420	1992	cmd.exe	32
PID 1992 wrote to memory of 1420	1992	cmd.exe	32
PID 1992 wrote to memory of 1420	1992	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe
"C:\Users\Admin\AppData\Local\Temp\e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1400 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf.exe" & start C:\Users\Admin\AppData\Local\olprxao.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1400
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1924
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:584
- - C:\Users\Admin\AppData\Local\olprxao.exe
    C:\Users\Admin\AppData\Local\olprxao.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\olprxao.exe

Filesize
452KB

MD5
1ff4a36e50040bece8c274d024d582c7

SHA1
05be85a8c649b0358a43072ea05f6d3bab7fb6b4

SHA256
e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf

SHA512
e72159022b1a2ed0bba646fd4017187f637f59fa720fdaec2886514e5d782759849a0146ba29fad38109f4fed40f2cf05aca23c662f28120bb1a8a77bc0dbd86

Download Submit
C:\Users\Admin\AppData\Local\olprxao.exe

Filesize
452KB

MD5
1ff4a36e50040bece8c274d024d582c7

SHA1
05be85a8c649b0358a43072ea05f6d3bab7fb6b4

SHA256
e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf

SHA512
e72159022b1a2ed0bba646fd4017187f637f59fa720fdaec2886514e5d782759849a0146ba29fad38109f4fed40f2cf05aca23c662f28120bb1a8a77bc0dbd86

Download Submit
\Users\Admin\AppData\Local\olprxao.exe

Filesize
452KB

MD5
1ff4a36e50040bece8c274d024d582c7

SHA1
05be85a8c649b0358a43072ea05f6d3bab7fb6b4

SHA256
e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf

SHA512
e72159022b1a2ed0bba646fd4017187f637f59fa720fdaec2886514e5d782759849a0146ba29fad38109f4fed40f2cf05aca23c662f28120bb1a8a77bc0dbd86

Download Submit
\Users\Admin\AppData\Local\olprxao.exe

Filesize
452KB

MD5
1ff4a36e50040bece8c274d024d582c7

SHA1
05be85a8c649b0358a43072ea05f6d3bab7fb6b4

SHA256
e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf

SHA512
e72159022b1a2ed0bba646fd4017187f637f59fa720fdaec2886514e5d782759849a0146ba29fad38109f4fed40f2cf05aca23c662f28120bb1a8a77bc0dbd86

Download Submit
\Users\Admin\AppData\Local\olprxao.exe

Filesize
452KB

MD5
1ff4a36e50040bece8c274d024d582c7

SHA1
05be85a8c649b0358a43072ea05f6d3bab7fb6b4

SHA256
e98c98617300cc37fe8d0a6cb3cc66ad3b87488b793878fbaa0d0fa655f27acf

SHA512
e72159022b1a2ed0bba646fd4017187f637f59fa720fdaec2886514e5d782759849a0146ba29fad38109f4fed40f2cf05aca23c662f28120bb1a8a77bc0dbd86

Download Submit
memory/584-60-0x0000000000000000-mapping.dmp

Download
memory/1400-54-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1400-58-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1400-56-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1400-55-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1420-64-0x0000000000000000-mapping.dmp

Download
memory/1420-68-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1420-69-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1924-59-0x0000000000000000-mapping.dmp

Download
memory/1992-57-0x0000000000000000-mapping.dmp

Download

Analysis

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