ac283367b65f4e19ca2fb4bfdd80adbadd8d48d8b3dd6d8ba30ca1e6b3db3b51

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 00:31

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General

Target

uninst.exe
Size

36KB
MD5

de9d7ecf561e64cee3a43cac97dc854f
SHA1

79e7328c8e4dc9aaa809653eab7e6412f67cc9be
SHA256

50ea177102d6100e5faa6ee083d723a9a51c895c85bc56de1dbd865b1fd34678
SHA512

08cc71bb7056be1421b8de079e38675a1f40e4fc6bd28fe4feb1daf61da58fbb394f26014a5f74523eef21def720ffebe80356a7ceac9a10739934d0bf082873
SSDEEP

768:Y9appBajcz0Pom3yMRw2GzHgRtvthk4eF8CkvF5871mJQu/Nu/cuAZVm:TpijcwPomiOQHSv4DmJ5Tu0Vm

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1704	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1704	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2424	uninst.exe
1704	Au_.exe
1704	Au_.exe
1704	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 1 IoCs

installer

resource	yara_rule
behavioral7/files/0x0005000000019278-2.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1704	2424	uninst.exe	30
PID 2424 wrote to memory of 1704	2424	uninst.exe	30
PID 2424 wrote to memory of 1704	2424	uninst.exe	30
PID 2424 wrote to memory of 1704	2424	uninst.exe	30
PID 2424 wrote to memory of 1704	2424	uninst.exe	30
PID 2424 wrote to memory of 1704	2424	uninst.exe	30
PID 2424 wrote to memory of 1704	2424	uninst.exe	30

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:2424
- 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
  PID:1704

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
36KB

MD5
de9d7ecf561e64cee3a43cac97dc854f

SHA1
79e7328c8e4dc9aaa809653eab7e6412f67cc9be

SHA256
50ea177102d6100e5faa6ee083d723a9a51c895c85bc56de1dbd865b1fd34678

SHA512
08cc71bb7056be1421b8de079e38675a1f40e4fc6bd28fe4feb1daf61da58fbb394f26014a5f74523eef21def720ffebe80356a7ceac9a10739934d0bf082873

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