abb258c7b18fc0eff8475e0043e55eacdaa58820353ab95d63eaafc0fbe1e1a7

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 20:26

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General

Target

uninstall.exe
Size

47KB
MD5

ab6f301fbec8e875706f56bf91741aa8
SHA1

af06afad8830356895719e9fe59ca0cb34abaae9
SHA256

6b9ade2208612a17824b35c002ce0223ac31ced224e66f84f0781ab8be82e07b
SHA512

8066ab37adc3e1212440b9c8d55d5e2784ec94f401261169b77ee239a8d710bd0a2aa1d25a9297a066ca2fea04fe9dadb2272d4d65064d833509a2a9168c631a
SSDEEP

768:+bAqMPUUDYXQYFnh2A9uxICjmtIh4dGkqEhMFBiihdJSMgd2iZQAm6kRRS+NoJRl:CM8ZbFnEA9uPI2TdJSMgdLeAyNl5+

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2176	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1764	uninstall.exe
2176	Au_.exe
2176	Au_.exe
2176	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
behavioral9/files/0x0005000000019218-2.dat	nsis_installer_1
behavioral9/files/0x0005000000019218-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2176	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 2176	1764	uninstall.exe	30
PID 1764 wrote to memory of 2176	1764	uninstall.exe	30
PID 1764 wrote to memory of 2176	1764	uninstall.exe	30
PID 1764 wrote to memory of 2176	1764	uninstall.exe	30
PID 1764 wrote to memory of 2176	1764	uninstall.exe	30
PID 1764 wrote to memory of 2176	1764	uninstall.exe	30
PID 1764 wrote to memory of 2176	1764	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:1764
- 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: GetForegroundWindowSpam
  PID:2176

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
47KB

MD5
ab6f301fbec8e875706f56bf91741aa8

SHA1
af06afad8830356895719e9fe59ca0cb34abaae9

SHA256
6b9ade2208612a17824b35c002ce0223ac31ced224e66f84f0781ab8be82e07b

SHA512
8066ab37adc3e1212440b9c8d55d5e2784ec94f401261169b77ee239a8d710bd0a2aa1d25a9297a066ca2fea04fe9dadb2272d4d65064d833509a2a9168c631a

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