0aad85d84f05a4a15d601dde72683f809fed0373f57c99c4e4029d9f8e1d5ef3

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/12/2024, 01:55 UTC

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General

Target

Uninstall.exe
Size

44KB
MD5

eb0481a12d4fc1520d5f4b1222aee33a
SHA1

ac644d991127d8eacb03f2f2434481b27069f3f9
SHA256

862d49b9ee0d7e1f8d015ce8c5044ca67b2e64e481503b7a87abd66dca9b38dd
SHA512

a8355d1d95955edf5432b263130438e68d65820271260343c8785c45fcb0534f8935e237fba6e6f459484c009fcaf86eb0ad053ee58284aea0b1679e8faf254d
SSDEEP

768:SVSO0QdGLkD8HYayXJMIBImhiPbvu9/vHtLE8JGlzJgfPiqLw:S0mrcYRiiVhOuc8JmkLk

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2536	A~NSISu_.exe

Executes dropped EXE 1 IoCs

pid	Process
2536	A~NSISu_.exe

Loads dropped DLL 4 IoCs

pid	Process
2132	Uninstall.exe
2536	A~NSISu_.exe
2536	A~NSISu_.exe
2536	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral19/files/0x000500000001879b-2.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31
PID 2132 wrote to memory of 2536	2132	Uninstall.exe	31

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- 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:2536

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
44KB

MD5
eb0481a12d4fc1520d5f4b1222aee33a

SHA1
ac644d991127d8eacb03f2f2434481b27069f3f9

SHA256
862d49b9ee0d7e1f8d015ce8c5044ca67b2e64e481503b7a87abd66dca9b38dd

SHA512
a8355d1d95955edf5432b263130438e68d65820271260343c8785c45fcb0534f8935e237fba6e6f459484c009fcaf86eb0ad053ee58284aea0b1679e8faf254d

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