46aa6ab37446729db4539b16deffd407db35627861ecadb0e4a3f052a0195c13

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 21:30

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General

Target

$0/uninstall.exe
Size

82KB
MD5

3f0967dccc27c0b022dd6be6a98fa390
SHA1

c57846d9800a9cf8c6a39170a6a045dc80d8dd29
SHA256

9834d7bfea7dc27409d0cebd59175c00a0ee51b64b558abb26c66fed50bc9825
SHA512

1d0bebf9a484ba7727c288156420be9f853537ceebb8d17450646f5e501f2f44d533f31df83c574c0bc8f13c0fe77980d95188a5f5a920cecaf24df8579887f0
SSDEEP

1536:xEkjY1zy214Qay0DGkJ7qAELVigJFBcp6hLeh8a+gZuNCtO2/D7J:+kjAJ4dDGkJ+AI0V4hChIg97/5

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2824	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2284	uninstall.exe
2824	Au_.exe
2824	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
behavioral7/files/0x003900000001340e-5.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2824	2284	uninstall.exe	28
PID 2284 wrote to memory of 2824	2284	uninstall.exe	28
PID 2284 wrote to memory of 2824	2284	uninstall.exe	28
PID 2284 wrote to memory of 2824	2284	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2284
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2824

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\nsi4A3.tmp\ioSpecial.ini

Filesize
696B

MD5
98c4516c3bc79d0838c76efb72de50c3

SHA1
bb2549c4337db04da26c8065592e794bc1a1a145

SHA256
4205dc1b9bfc0899d2137cfab1d7db295b6f3bcc61d96d968e8984b33eda51e7

SHA512
5465dbeec90bb1927d9bad85d56a9817e5bb7eb20fc3588fa9befca558736454df16cf1283a52cf2255b865183bce1445edf7976d36efdf63a0ca514d69aaaf6

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

Filesize
82KB

MD5
3f0967dccc27c0b022dd6be6a98fa390

SHA1
c57846d9800a9cf8c6a39170a6a045dc80d8dd29

SHA256
9834d7bfea7dc27409d0cebd59175c00a0ee51b64b558abb26c66fed50bc9825

SHA512
1d0bebf9a484ba7727c288156420be9f853537ceebb8d17450646f5e501f2f44d533f31df83c574c0bc8f13c0fe77980d95188a5f5a920cecaf24df8579887f0

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\Users\Admin\AppData\Local\Temp\nsi4A3.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nsi4A3.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

Download Submit