0497f0e3da739e7404c85def9e3c475492c458593f2f5e6bc93077aa6acd52d2

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
27/06/2024, 22:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninst-tnod.exe
Size

68KB
MD5

20a957adb3a77da83c0b29294005a068
SHA1

75dbc344061ef8bc2760a0f5fca872e4d372173b
SHA256

a7d75ebccdfa0378540e9bf22d9749054126978da52ed67f5678e29be5fff843
SHA512

1d2f1edb835e90c75a47daf9c4dc0eea3903d90edd4aabe1923d09f3c91f2aa5b0b37c68b138b1113dc60063f384f9075077bbe50851bd68c1981baf168e1a67
SSDEEP

1536:VQpQ5EP0ijnRTXJKqpxn6acrTPQxaAqCA7clG0H1pN:VQIURTXJ7N67PQpHA7clvB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1716	Au_.exe

Loads dropped DLL 5 IoCs

pid	Process
848	uninst-tnod.exe
1716	Au_.exe
1716	Au_.exe
1716	Au_.exe
1716	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
behavioral17/files/0x0006000000016dda-2.dat	nsis_installer_1
behavioral17/files/0x0006000000016dda-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1716	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28
PID 848 wrote to memory of 1716	848	uninst-tnod.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst-tnod.exe
"C:\Users\Admin\AppData\Local\Temp\uninst-tnod.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:848
- 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:1716

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nst2667.tmp\LangDLL.dll

Filesize
5KB

MD5
a401e590877ef6c928d2a97c66157094

SHA1
75e24799cf67e789fadcc8b7fddefc72fdc4cd61

SHA256
2a7f33ef64d666a42827c4dc377806ad97bc233819197adf9696aed5be5efac0

SHA512
6093415cd090e69cdcb52b5d381d0a8b3e9e5479dac96be641e0071f1add26403b27a453febd8ccfd16393dc1caa03404a369c768a580781aba3068415ee993f

Download Submit
\Users\Admin\AppData\Local\Temp\nst2667.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nst2667.tmp\UserInfo.dll

Filesize
4KB

MD5
1e8e11f465afdabe97f529705786b368

SHA1
ea42bed65df6618c5f5648567d81f3935e70a2a0

SHA256
7d099352c82612ab27ddfd7310c1aa049b58128fb04ea6ea55816a40a6f6487b

SHA512
16566a8c1738e26962139aae893629098dc759e4ac87df3e8eb9819df4e0e422421836bb1e4240377e00fb2f4408ce40f40eee413d0f6dd2f3a4e27a52d49a0b

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

Filesize
68KB

MD5
20a957adb3a77da83c0b29294005a068

SHA1
75dbc344061ef8bc2760a0f5fca872e4d372173b

SHA256
a7d75ebccdfa0378540e9bf22d9749054126978da52ed67f5678e29be5fff843

SHA512
1d2f1edb835e90c75a47daf9c4dc0eea3903d90edd4aabe1923d09f3c91f2aa5b0b37c68b138b1113dc60063f384f9075077bbe50851bd68c1981baf168e1a67

Download Submit