4bad662adc46df2978dc94636806277d3eb94368cee5232c1abcd18bd9157557

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 19:58

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General

Target

Uninstall.exe
Size

96KB
MD5

627ed5cce5aa4f34c1162f05047bed9c
SHA1

8e1a96a2b2347f630e17b67b107e306e95822787
SHA256

e57915acf326535b9c41338a4fb91a58c67dbfdf5073adaa62300d2095ca234a
SHA512

8fd3e12dca174001aeddec8e2c921c6b28636e937d71496f554f9ff6ed351d30f3fc218220959b452dc75e90bf94b695e067af271a6c06b2fa7ece79fe767e24
SSDEEP

1536:+pgpHzb9dZVX9fHMvG0D3XJhgdLeAyNxCCIG5bbEYAMaQdDb8dtok3GJDCXX:EgXdZt9P6D3XJhceAHPYUde4X

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2856	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2656	Uninstall.exe
2856	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral7/files/0x000a00000001342b-2.dat	nsis_installer_1
behavioral7/files/0x000a00000001342b-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2856	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2856	2656	Uninstall.exe	28
PID 2656 wrote to memory of 2856	2656	Uninstall.exe	28
PID 2656 wrote to memory of 2856	2656	Uninstall.exe	28
PID 2656 wrote to memory of 2856	2656	Uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2656
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsiF4D.tmp\LangDLL.dll

Filesize
5KB

MD5
9384f4007c492d4fa040924f31c00166

SHA1
aba37faef30d7c445584c688a0b5638f5db31c7b

SHA256
60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5

SHA512
68f158887e24302673227adffc688fd3edabf097d7f5410f983e06c6b9c7344ca1d8a45c7fa05553adcc5987993df3a298763477168d4842e554c4eb93b9aaaf

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

Filesize
96KB

MD5
627ed5cce5aa4f34c1162f05047bed9c

SHA1
8e1a96a2b2347f630e17b67b107e306e95822787

SHA256
e57915acf326535b9c41338a4fb91a58c67dbfdf5073adaa62300d2095ca234a

SHA512
8fd3e12dca174001aeddec8e2c921c6b28636e937d71496f554f9ff6ed351d30f3fc218220959b452dc75e90bf94b695e067af271a6c06b2fa7ece79fe767e24

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