0f565bf52579836b340a00c7ef37f00efff533ce171facf0babfa9fdff66afe5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 01:22

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General

Target

uninst.exe
Size

47KB
MD5

6c1e26bde497cd43fe27b7bcda11b798
SHA1

f9eb03085cffc784dcf45ddd290c28e73d79821a
SHA256

e72ed3f9eb49a098b9cf265b599f2e40501d187e29f273746e0be5908cf15a75
SHA512

b14badb64275fe66cb2f289e3c1719fa20df5b9acf47e2e9400da4df40abf1c320a5e90c85fb8d907c838a6198741386e23be7ce0a806f40fe405d3a76666001
SSDEEP

768:COfG1pI8jtZnVoxB8BFj9vAkRBfG1Hisq5C1jeHtLE8J3+eJRn5Am6kRRJ2iZ3il:aXZrnVo8BFj9/TyH4C98JuqAELVigmFV

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2780	A~NSISu_.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	A~NSISu_.exe

Loads dropped DLL 4 IoCs

pid	Process
2264	uninst.exe
2780	A~NSISu_.exe
2780	A~NSISu_.exe
2780	A~NSISu_.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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral7/files/0x00090000000175cc-2.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2780	2264	uninst.exe	30
PID 2264 wrote to memory of 2780	2264	uninst.exe	30
PID 2264 wrote to memory of 2780	2264	uninst.exe	30
PID 2264 wrote to memory of 2780	2264	uninst.exe	30
PID 2264 wrote to memory of 2780	2264	uninst.exe	30
PID 2264 wrote to memory of 2780	2264	uninst.exe	30
PID 2264 wrote to memory of 2780	2264	uninst.exe	30

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2780

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

\Users\Admin\AppData\Local\Temp\A~NSISu_.exe

Filesize
47KB

MD5
6c1e26bde497cd43fe27b7bcda11b798

SHA1
f9eb03085cffc784dcf45ddd290c28e73d79821a

SHA256
e72ed3f9eb49a098b9cf265b599f2e40501d187e29f273746e0be5908cf15a75

SHA512
b14badb64275fe66cb2f289e3c1719fa20df5b9acf47e2e9400da4df40abf1c320a5e90c85fb8d907c838a6198741386e23be7ce0a806f40fe405d3a76666001

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