1472780b22a70f13e6aec3ffd06fc9714748841f9f88c3c3b743d247d9711d68

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
04/07/2024, 05:09

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General

Target

Uninst.exe
Size

63KB
MD5

ad427ce4868d384742752be8821d0b94
SHA1

1d584543ba7daab3370c79a65e6df46e2b245c18
SHA256

ffff9b4571898daf60a7a8404507f240659cae14d07d8d80977af75f920f8e2a
SHA512

e60de0ac9400e4c6b31c6511096490e176b239b92a796796dc6c73c1c904f7adcea9482b94d12040d87ca97ef3c4355d6389362c960915b6833f46f39722589f
SSDEEP

1536:PLXB65939tY6HBg4sXJ6jkzHE/1s2SXiMl5Dovxj+h3:PLk395hYXJnE9s2giM0vxj+h3

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1788	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1788	Au_.exe

Loads dropped DLL 5 IoCs

pid	Process
1984	Uninst.exe
1788	Au_.exe
1788	Au_.exe
1788	Au_.exe
1788	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x0031000000015d39-2.dat	nsis_installer_1
behavioral13/files/0x0031000000015d39-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1788	Au_.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1788	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29
PID 1984 wrote to memory of 1788	1984	Uninst.exe	29

C:\Users\Admin\AppData\Local\Temp\Uninst.exe
"C:\Users\Admin\AppData\Local\Temp\Uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsi17D5.tmp\Processes.dll

Filesize
35KB

MD5
2cfba79d485cf441c646dd40d82490fc

SHA1
83e51ac1115a50986ed456bd18729653018b9619

SHA256
86b302fa9c85dfa0c1c03ba000864a928365dab571f3355347dba02da22949b7

SHA512
cca186a7f9c5cff3f4eca410fbe8cc13dad2514a7e36aec9b1addfbcb239ace9b9b2d8427771858e3fd11783abce7e24d43c286f98da9f8b17562ca095a4c043

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\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
63KB

MD5
ad427ce4868d384742752be8821d0b94

SHA1
1d584543ba7daab3370c79a65e6df46e2b245c18

SHA256
ffff9b4571898daf60a7a8404507f240659cae14d07d8d80977af75f920f8e2a

SHA512
e60de0ac9400e4c6b31c6511096490e176b239b92a796796dc6c73c1c904f7adcea9482b94d12040d87ca97ef3c4355d6389362c960915b6833f46f39722589f

Download Submit