05f4df533dce0752fa82547bf93d1b4b7db6ce942e24e86e50ba4c7d76af3052

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
27/06/2024, 07:10

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General

Target

uninst.exe
Size

56KB
MD5

6fd056c631d17162bcf60b139d02f029
SHA1

2f64bd3f622dd2bb132d2d84e74b491625422cdb
SHA256

bff24e298f16bcf2495735aea16bd0525908450ab97f4ef2cebf24234b8e4a9b
SHA512

1f0c63064c6ef6947bee456a9b5e85cf1dcef6559be1a7042a851af0b8acbde7a47bdc7ec1cc86d39e9c5ab4811bd820fcd067eb0475fb777ff93a1e47f1f0ab
SSDEEP

1536:T3cpyORJLuB4P4AJJ8bTiFqnD1QxNcmhh8:T3c1fP4AJJ8bTimuxNcm4

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2448	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2448	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2460	uninst.exe
2448	Au_.exe
2448	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
behavioral15/files/0x0006000000015cd8-2.dat	nsis_installer_1
behavioral15/files/0x0006000000015cd8-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2448	2460	uninst.exe	28
PID 2460 wrote to memory of 2448	2460	uninst.exe	28
PID 2460 wrote to memory of 2448	2460	uninst.exe	28
PID 2460 wrote to memory of 2448	2460	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2460
- 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
  PID:2448

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\nsoD4C.tmp\LangDLL.dll

Filesize
5KB

MD5
a401e590877ef6c928d2a97c66157094

SHA1
75e24799cf67e789fadcc8b7fddefc72fdc4cd61

SHA256
2a7f33ef64d666a42827c4dc377806ad97bc233819197adf9696aed5be5efac0

SHA512
6093415cd090e69cdcb52b5d381d0a8b3e9e5479dac96be641e0071f1add26403b27a453febd8ccfd16393dc1caa03404a369c768a580781aba3068415ee993f

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\Users\Admin\AppData\Local\Temp\nsoD4C.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

Filesize
56KB

MD5
6fd056c631d17162bcf60b139d02f029

SHA1
2f64bd3f622dd2bb132d2d84e74b491625422cdb

SHA256
bff24e298f16bcf2495735aea16bd0525908450ab97f4ef2cebf24234b8e4a9b

SHA512
1f0c63064c6ef6947bee456a9b5e85cf1dcef6559be1a7042a851af0b8acbde7a47bdc7ec1cc86d39e9c5ab4811bd820fcd067eb0475fb777ff93a1e47f1f0ab

Download Submit