c50303bf6bb69a2abb01129806d0bfd96e11c1c2bf2130495ac6b13ba024bf86

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 22:58

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General

Target

Uninstall.exe
Size

89KB
MD5

9111cd15ae20e9466f9f849b7af57ca1
SHA1

416420588d49d2a12ad61b6bac94a22be1e1c7fb
SHA256

226324be5f0a18c000a6ee22f7083eb4997a10b5778e274fd86ed876e94ad8fd
SHA512

ffc4bbe5be308fa36a33678616025a6af3d7ae4b15eaa6991d082ba8d89a1fb5c39bd961f776aff532f2aec88238b699eea20dfa1132a5ce80da32f3613f0b48
SSDEEP

1536:sUqBWUSFNrdN90DukJrXVXmXeUv+yLPrulXytFDOpFAM:PGW3B+DukJrF2OorLDulibE

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2888	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
1796	Uninstall.exe
2888	Au_.exe
2888	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
behavioral13/files/0x003300000001470b-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2888	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2888	1796	Uninstall.exe	28
PID 1796 wrote to memory of 2888	1796	Uninstall.exe	28
PID 1796 wrote to memory of 2888	1796	Uninstall.exe	28
PID 1796 wrote to memory of 2888	1796	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:1796
- 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:2888

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\nsd15E2.tmp\ioSpecial.ini

Filesize
595B

MD5
39b2233064ac65a150107a47d0a79052

SHA1
329b73d80ade2f5fc69bb47867e40ac3cba099bc

SHA256
2072e0969c7fe06ae500d67f2662392d1719ee66565d479f14f5517f38dd17c2

SHA512
99c8c72d4329dac2c191704d80d46becf7f5bc6ba6c526844ea80d5dd0e1eebfb364fe322fa88cbec0f363554041500d5d091d608513c6eaeb287c5165e756f8

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C:\Users\Admin\AppData\Local\Temp\nsd15E2.tmp\ioSpecial.ini

Filesize
634B

MD5
839a985f35e27e5e058d8ab1f039a5b6

SHA1
9a83b17d6780021fa717a664996de09ea7bd160b

SHA256
efc7105ba50f53c8812a94cbab47b1b71864466263f9e806a05abf496f80efe8

SHA512
46f7aa97ae75c46318dc56d320f923e9d6b2d734b00264d5660dc138f99ea014ccb8162eb343ad03083914131d95b5c88d61a218af851ca54e58e3778ddb2d8e

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\Users\Admin\AppData\Local\Temp\nsd15E2.tmp\InstallOptions.dll

Filesize
12KB

MD5
29459d9ee2bce32ed937fb1f965f9d5e

SHA1
8fff45ed45f3af8f8c248eba9a1c02c9c5fc911d

SHA256
ad07968b7d93ef19e10e1deb52e0c912e96dde30c0a49a0239daf176fd4c9ef5

SHA512
d4ef4eadb0f53e7086a1d242bf7f745ad79d83d9ecbfaa283cf0dd499271a804589a575040bb20d5c98e86197cc65ca05ab1a358c556ea82a3e297d0255015a6

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\Users\Admin\AppData\Local\Temp\nsd15E2.tmp\System.dll

Filesize
10KB

MD5
05e52213cfa17dee760186462a9645ed

SHA1
f6d5e82080bbba65db7d54e89250c95af833aae3

SHA256
d9d3ffa4c7d7a152f435f4777e72aa1b6a6c0555f277e59eedebc587c3b66ba5

SHA512
586eea0bec6345b437667ce528bc2396427dd444a396456e38046a8962e92a52e7ee62b9f6c97f41bc1fb4a1b3905a302d6f7055e26b84e60709ba3b416ad172

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

Filesize
89KB

MD5
9111cd15ae20e9466f9f849b7af57ca1

SHA1
416420588d49d2a12ad61b6bac94a22be1e1c7fb

SHA256
226324be5f0a18c000a6ee22f7083eb4997a10b5778e274fd86ed876e94ad8fd

SHA512
ffc4bbe5be308fa36a33678616025a6af3d7ae4b15eaa6991d082ba8d89a1fb5c39bd961f776aff532f2aec88238b699eea20dfa1132a5ce80da32f3613f0b48

Download Submit