2e5d4efcd41c904f184fac0f2839d018fe71145ef204f47ce5802321b3d9fea3

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 06:47

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General

Target

$0/uninstall.exe
Size

82KB
MD5

a8cb4c299acee185c94ef6f3c23efced
SHA1

1d938f6655cb713344d45e9ab49bc683042de893
SHA256

968f9320876119b4fd3bdee48dffd83fab0c47c03732148e7124d2af3c8ef873
SHA512

fa3573593c67b478cf80d9a8be5f7a342cbaa392afd22ff4a00b19c12c60a8aec23cc8226dab9575029225d4fd9b591a9ec6ff0451f8648480c113204856430c
SSDEEP

1536:8EkjY1zy214Qay0DGkJ7qAELVigJIdUcpVPVwfdEOk2/DVZFE:bkjAJ4dDGkJ+AI0XzNwf2U/P

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1868	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
3004	uninstall.exe
1868	Au_.exe
1868	Au_.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral7/files/0x0006000000018c44-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1868	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1868	3004	uninstall.exe	30
PID 3004 wrote to memory of 1868	3004	uninstall.exe	30
PID 3004 wrote to memory of 1868	3004	uninstall.exe	30
PID 3004 wrote to memory of 1868	3004	uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsyB4CF.tmp\ioSpecial.ini

Filesize
688B

MD5
3d89763b531646be8870ada13884df76

SHA1
bb80b96b6b5c0c07125c9170dc4aa7dcf44c6c0e

SHA256
b46cf797c15e31446ed80e26c2324035871c242a941e342473192bd9a7fe536b

SHA512
d16e5cbfff90999580f1663b4a70945a9043ac060d488e1377ae9db248fc8543a0f0834332678eda081445f4f2e75398a7269d3fe8541a25a769ede14a6cf501

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyB4CF.tmp\ioSpecial.ini

Filesize
727B

MD5
aa4f2a99b32a9a1db2f499250dbce427

SHA1
ec5dd15733c0e46757be71f686f01f24f5321c2c

SHA256
c084aff2a1e06dc0cf88a5d810127f28cd146cab409761a29ac78910e9051b1c

SHA512
271e4a3e8b612e7ec57d6c681de2ad15a248ac775fa5484d86ff30682f97249d7ddcefbbd9256701f96d055ce19c2b3d3da2889ad985ebc3c18d675ef46a879b

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\Users\Admin\AppData\Local\Temp\nsyB4CF.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nsyB4CF.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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

Filesize
82KB

MD5
a8cb4c299acee185c94ef6f3c23efced

SHA1
1d938f6655cb713344d45e9ab49bc683042de893

SHA256
968f9320876119b4fd3bdee48dffd83fab0c47c03732148e7124d2af3c8ef873

SHA512
fa3573593c67b478cf80d9a8be5f7a342cbaa392afd22ff4a00b19c12c60a8aec23cc8226dab9575029225d4fd9b591a9ec6ff0451f8648480c113204856430c

Download Submit