5bc488e5bbc0112c8863ece0dd2e6edd171742d0aa6c562f4ae26195007007e2

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 18:47

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General

Target

Uninstall.exe
Size

350KB
MD5

1eb778d2eb9d67d8281e41b7ffc02f9c
SHA1

c4e72dc5f2319e3364d087dcea94869626129158
SHA256

68890695c9424818fe18794f5b65b3f099a8c4f394527121ecc4c203636fab30
SHA512

d3a8475e5d42c3cb9081cfd0b163ce10e7715d8254c773a48afed6d31e15eca7a0cbc17060948402d666b43a15fca3d578010f47b484e0eb39c16cc5137453cf
SSDEEP

6144:Fe34U/Q0RXiD0xvahQpE3MQJ58sJuCBhmG0wbGdPUnB3uIS:A/Q0HqMsTJuCBhd0wbGmBq

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2784	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2704	Uninstall.exe
2784	Au_.exe
2784	Au_.exe
2784	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral19/files/0x0006000000018c44-2.dat	nsis_installer_1
behavioral19/files/0x0006000000018c44-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2784	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30
PID 2704 wrote to memory of 2784	2704	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2784

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

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Downloads

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

Filesize
350KB

MD5
1eb778d2eb9d67d8281e41b7ffc02f9c

SHA1
c4e72dc5f2319e3364d087dcea94869626129158

SHA256
68890695c9424818fe18794f5b65b3f099a8c4f394527121ecc4c203636fab30

SHA512
d3a8475e5d42c3cb9081cfd0b163ce10e7715d8254c773a48afed6d31e15eca7a0cbc17060948402d666b43a15fca3d578010f47b484e0eb39c16cc5137453cf

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