7b2b2bf953b870564bff1f308381d9e20e84c2577bd8c854710e4f71438b2981

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 11:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Uninst.exe
Size

83KB
MD5

bacd58ec67ab834cd1425045173935fe
SHA1

496961b4619595b0d5df6ba300ff3aee5314cb0c
SHA256

b4a74906780ddfb753bd7bd2fa5cb01fa19aba4510d5865c43f794bdda3ecf2c
SHA512

04f723b122bee8f8540bd4a7433bef511c7dde36f6068c340e1db6641e6cb28cbd43e32035885b11e037590aa725a6770a45877d1d3578f0cb44c9884cad7408
SSDEEP

1536:XLXB65939tY6HBg4sXJqcjFrzqGCCYJ9ZUVUx0AYE/1s2SXiMl5Dovxj+hi:XLk395hYXJpFnqGMJ9vaE9s2giM0vxjB

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2488	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2488	Au_.exe

Loads dropped DLL 5 IoCs

pid	Process
2560	Uninst.exe
2488	Au_.exe
2488	Au_.exe
2488	Au_.exe
2488	Au_.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral25/files/0x0005000000019c5b-2.dat	nsis_installer_1
behavioral25/files/0x0005000000019c5b-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2488	Au_.exe
2488	Au_.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2488	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31
PID 2560 wrote to memory of 2488	2560	Uninst.exe	31

C:\Users\Admin\AppData\Local\Temp\Uninst.exe
"C:\Users\Admin\AppData\Local\Temp\Uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
35KB

MD5
2cfba79d485cf441c646dd40d82490fc

SHA1
83e51ac1115a50986ed456bd18729653018b9619

SHA256
86b302fa9c85dfa0c1c03ba000864a928365dab571f3355347dba02da22949b7

SHA512
cca186a7f9c5cff3f4eca410fbe8cc13dad2514a7e36aec9b1addfbcb239ace9b9b2d8427771858e3fd11783abce7e24d43c286f98da9f8b17562ca095a4c043

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

Filesize
83KB

MD5
bacd58ec67ab834cd1425045173935fe

SHA1
496961b4619595b0d5df6ba300ff3aee5314cb0c

SHA256
b4a74906780ddfb753bd7bd2fa5cb01fa19aba4510d5865c43f794bdda3ecf2c

SHA512
04f723b122bee8f8540bd4a7433bef511c7dde36f6068c340e1db6641e6cb28cbd43e32035885b11e037590aa725a6770a45877d1d3578f0cb44c9884cad7408

Download Submit