25eec917e2c8860d22310b6a3c3e7b65a8d4b9d3797231df7a0f1a6f7f49c29f

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 09:00

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General

Target

$PROGRAMFILES/1ClickDownload/$PROGRAMFILES/1ClickDownload/uninst.exe
Size

46KB
MD5

5e73e30ab261dc9b9ffaa04e3ba66905
SHA1

ae169930b35c24c52050da38f82e957d74400ba7
SHA256

e41bb8f876079b0c042aa105e799d5fd06d3449ce1408e468d3a16e3f4d4e5ea
SHA512

8fc7d1f6978b9fcf503adfc18edbb8958a28aa607685638adff2798c04ebe1ee39d6af0c0a226a21681b8ef8d6a45ce61549648fea2b4253b13273ff3e71d3c2
SSDEEP

768:/4wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJ6gd2iZQAm6kRRS+NoJRnMtAE:gLXB65939tY6HBg4sXJ6gdLeAyNDt1

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
636	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2396	uninst.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
behavioral15/files/0x00100000000162e9-2.dat	nsis_installer_1
behavioral15/files/0x00100000000162e9-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 636	2396	uninst.exe	29
PID 2396 wrote to memory of 636	2396	uninst.exe	29
PID 2396 wrote to memory of 636	2396	uninst.exe	29
PID 2396 wrote to memory of 636	2396	uninst.exe	29

C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\1ClickDownload\$PROGRAMFILES\1ClickDownload\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\1ClickDownload\$PROGRAMFILES\1ClickDownload\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- 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\$PROGRAMFILES\1ClickDownload\$PROGRAMFILES\1ClickDownload\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:636

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
46KB

MD5
5e73e30ab261dc9b9ffaa04e3ba66905

SHA1
ae169930b35c24c52050da38f82e957d74400ba7

SHA256
e41bb8f876079b0c042aa105e799d5fd06d3449ce1408e468d3a16e3f4d4e5ea

SHA512
8fc7d1f6978b9fcf503adfc18edbb8958a28aa607685638adff2798c04ebe1ee39d6af0c0a226a21681b8ef8d6a45ce61549648fea2b4253b13273ff3e71d3c2

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