f0e6c28dc38edb43d964e936c14b292d12c035c082925830ae4d61f590e567a2

Analysis

max time kernel
136s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 13:36

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General

Target

$0/uninstall.exe
Size

78KB
MD5

a2a6e2fe649d7df57bc7c53c43b70d8d
SHA1

8909dccd63e93d13be0d7d2d13fc18213cd2fce0
SHA256

a64aa3eeeb7916ad2bcaa43b58394636ca74f29403fd667a2d370d2710858fe2
SHA512

afa67804416104160c3c5f9ebe45d4adbf25f6cb85a65ac20c08918e6e67939105173a25a83f7191c4dcfc7a9d26db1edc6cacd42e1c6c70ec1a35b62e07ba69
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJLcpub3RsagxxZ/RL32/DB:8kjAJ4dDGkJ+AI0F8hsagjZ/RLm/1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1428	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1428	Au_.exe
1428	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral8/files/0x000a000000023020-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 1428	5116	uninstall.exe	88
PID 5116 wrote to memory of 1428	5116	uninstall.exe	88
PID 5116 wrote to memory of 1428	5116	uninstall.exe	88

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5116
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1428

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

C:\Users\Admin\AppData\Local\Temp\nsgFCB0.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nsgFCB0.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nsgFCB0.tmp\ioSpecial.ini

Filesize
610B

MD5
98f29b9efd00295b9fa65a3a1f8ac9e6

SHA1
da29b498694115ea9e9e5cd93054c724afa23f8e

SHA256
79c75f4fea73440ee56f78e5772571745ad383ff4fe5e97d4664024d67d95325

SHA512
e2e8c037b5aa434300c417111bb9e2ae003a28d32cc38c2ce7b3f6755bf6a0734b63f1156daa43b15051121b819b37746ce54f23ef65f2de4222b4c2a78d9e34

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

Filesize
78KB

MD5
a2a6e2fe649d7df57bc7c53c43b70d8d

SHA1
8909dccd63e93d13be0d7d2d13fc18213cd2fce0

SHA256
a64aa3eeeb7916ad2bcaa43b58394636ca74f29403fd667a2d370d2710858fe2

SHA512
afa67804416104160c3c5f9ebe45d4adbf25f6cb85a65ac20c08918e6e67939105173a25a83f7191c4dcfc7a9d26db1edc6cacd42e1c6c70ec1a35b62e07ba69

Download Submit