a57a3fb33935dde7bccb5fb2219648447ead3a2706c2e7c425959e85c910750f

Analysis

max time kernel
101s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 09:40

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General

Target

Uninstaller.exe
Size

305KB
MD5

7912c369d891f08a154b923e60b3575e
SHA1

ff14a3dbfe7b142a2c2cc318fa076baa35ef2e7e
SHA256

0216a610a1a678e2fcf6f17e492dc72c48fe458ad5de4e26e2a1e4b4380a72a6
SHA512

ba92a21f7497a4f46ac1a4bfee224321e6f70a56455472f2ea509006ffc77072b0d99362e3c9ea6bb1f5e2c31db24c6f751f890a51c0063af8165abd31e9bd4f
SSDEEP

6144:7Q343nM3DoFFjuvf/toNQ8dqLuJoU0U7Hd8CntQOHHM+HFFTjXdpNnT2:93nM3D0Fw/tN8dkmLtpHHHrh7

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2076	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2076	Au_.exe
2076	Au_.exe
2076	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	Uninstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral12/files/0x000a000000023494-3.dat	nsis_installer_1
behavioral12/files/0x000a000000023494-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2076	1032	Uninstaller.exe	84
PID 1032 wrote to memory of 2076	1032	Uninstaller.exe	84
PID 1032 wrote to memory of 2076	1032	Uninstaller.exe	84

C:\Users\Admin\AppData\Local\Temp\Uninstaller.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstaller.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032
- 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
  PID:2076

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

C:\Users\Admin\AppData\Local\Temp\nsl7B3C.tmp\System.dll

Filesize
10KB

MD5
7fbda5b7be6256996d4e59e5f6949918

SHA1
2d36c0e0bfbe450675c6ed044e715abaa85a252a

SHA256
9bb31f7f02231e3166bf52385d804c06da9740e9c6f0bda807b01052ae9fdcd4

SHA512
bc0d36aa6f50041bad05cf48d909ed5a387bff5b111f657591161a288c1be5c20b8c5d69e557b5ea395726d91601b9e6303da81555e053090cfcbf5d44be7f82

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C:\Users\Admin\AppData\Local\Temp\nsl7B3C.tmp\nsDialogs.dll

Filesize
9KB

MD5
ef2ba370973a3f8aba1533cb3858921b

SHA1
c2211408f29a46fc26198cddf411694c0e7e0eb8

SHA256
ed575c8bddf21cc6d689646ecfdeafe356e0f9945a282eda79f3b636b77a4453

SHA512
07aac20904fb164ba91b7c619b674d5e0f4d1ec8ba03fbd7e123ef53ff4b134278e01964fb81dfcc2905b760c572a7e13c87114bdb279f1d26632ebe71c628ba

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

Filesize
305KB

MD5
7912c369d891f08a154b923e60b3575e

SHA1
ff14a3dbfe7b142a2c2cc318fa076baa35ef2e7e

SHA256
0216a610a1a678e2fcf6f17e492dc72c48fe458ad5de4e26e2a1e4b4380a72a6

SHA512
ba92a21f7497a4f46ac1a4bfee224321e6f70a56455472f2ea509006ffc77072b0d99362e3c9ea6bb1f5e2c31db24c6f751f890a51c0063af8165abd31e9bd4f

Download Submit