159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2

General

Target

159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe
Size

1.0MB
MD5

79859066ed2d4203ded1e1265e0019dd
SHA1

172ea47101a85912d0547a28225858c6d0922d6c
SHA256

159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2
SHA512

fa7b3e024fc0cf5a23d6970840a4c02a84a9cea57058e98fb8568268b33fd47e8524b62b1a16c2b56ddccaaa65b864879ace0cda492454ba4281d85c5a1bf456
SSDEEP

24576:l4lavt0LkLL9IMixoEgeaaHLNU4QFtq9MmCS:8kwkn9IMHea4LNUPraPCS

Score

8^/10

evasion

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1680	jpg.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
756	netsh.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\nn.JPG	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe
File opened for modification	C:\Windows\nn.JPG	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe
File created	C:\Windows\jpg.exe	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe
File opened for modification	C:\Windows\jpg.exe	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe
File opened for modification	C:\Windows\nn.JPG	DllHost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe
Token: 33	1680	jpg.exe
Token: SeIncBasePriorityPrivilege	1680	jpg.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1444	DllHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1680	1508	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe	27
PID 1508 wrote to memory of 1680	1508	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe	27
PID 1508 wrote to memory of 1680	1508	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe	27
PID 1508 wrote to memory of 1680	1508	159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe	27
PID 1680 wrote to memory of 756	1680	jpg.exe	29
PID 1680 wrote to memory of 756	1680	jpg.exe	29
PID 1680 wrote to memory of 756	1680	jpg.exe	29
PID 1680 wrote to memory of 756	1680	jpg.exe	29

C:\Users\Admin\AppData\Local\Temp\159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe
"C:\Users\Admin\AppData\Local\Temp\159a813d4006b7432586ec22ae953e74da52555c1f96405d37dc7540f95201f2.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\jpg.exe
  C:\Windows/jpg.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\jpg.exe" "jpg.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:756

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
PID:1444

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\jpg.exe

Filesize
195KB

MD5
5afe4ffe5e604852837f08e740dc8b10

SHA1
3fd7f573333455ddc33caa10d91ef429e5791aa9

SHA256
1acee4ca0c10273e19085df3a7437aaf46a9b818bfdddad4d7d9aa03970ba605

SHA512
8b4709dc7f45b0296b65cd6cd1deec85a5c127f1a91ea64f887ba9c670cbe54e79f55a2a0ae85c4b269a0322a4f1a9f19f4dba641c0fa16599782afae8fce74a

Download Submit
C:\Windows\jpg.exe

Filesize
195KB

MD5
5afe4ffe5e604852837f08e740dc8b10

SHA1
3fd7f573333455ddc33caa10d91ef429e5791aa9

SHA256
1acee4ca0c10273e19085df3a7437aaf46a9b818bfdddad4d7d9aa03970ba605

SHA512
8b4709dc7f45b0296b65cd6cd1deec85a5c127f1a91ea64f887ba9c670cbe54e79f55a2a0ae85c4b269a0322a4f1a9f19f4dba641c0fa16599782afae8fce74a

Download Submit
C:\Windows\nn.JPG

Filesize
52KB

MD5
ad9624c05aa5f092256ca8a51e56db67

SHA1
9b95434ad1de4690c2a024e1f32a339537dbb6b4

SHA256
9fa2c909bb2565120d1988717b48d455c9adb911b23dfa1ec805bf7e00de696e

SHA512
cfc5f51f7de155eb071da86b9cb3828f7df4a23b962c88f78d070211d312fa07735f94bdf790eafd708a7982e0f8ca633c8dff4965e6b8f00509a4d540b0304f

Download Submit
memory/1508-54-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/1680-60-0x0000000073180000-0x000000007372B000-memory.dmp

Filesize
5.7MB

Download
memory/1680-64-0x0000000073180000-0x000000007372B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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