f57c1ea32aeca71a26d25590f275de29d3c3072869da02111a76035307c30bb6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 17:13

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General

Target

Uninstall_mod_sa for CM.exe
Size

46KB
MD5

97387f97fd4a02e7cb5c23d8074a8b89
SHA1

57ea3501a8d424066f465d54ee9868e9ac5caa74
SHA256

49163831f55678fc559f4da178283086eeef32544ce1df3d6b4ec5a24bd9a9cc
SHA512

74bbdcf6dc1ad76471f89592be1ba3bc5146581f77ebff1af9c92c9b29f99f56b50bce3de6a81584af20a08787a4b36036a7b124f825f96b0a57695b57795bc6
SSDEEP

768:7Sup23EQCjlQRB8/ewZ1iU6nyYFxbssT/F/O71mJ5agd2iZQAm6kRRS+NoJRneX0:Wu4EQalMK/ewGnh0mJQgdLeAyNxAb

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2264	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_mod_sa for CM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral16/files/0x00070000000234d1-4.dat	nsis_installer_1
behavioral16/files/0x00070000000234d1-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 2264	5080	Uninstall_mod_sa for CM.exe	85
PID 5080 wrote to memory of 2264	5080	Uninstall_mod_sa for CM.exe	85
PID 5080 wrote to memory of 2264	5080	Uninstall_mod_sa for CM.exe	85

C:\Users\Admin\AppData\Local\Temp\Uninstall_mod_sa for CM.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall_mod_sa for CM.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- 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
  - System Location Discovery: System Language Discovery
  PID:2264

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\~nsu.tmp\Au_.exe

Filesize
46KB

MD5
97387f97fd4a02e7cb5c23d8074a8b89

SHA1
57ea3501a8d424066f465d54ee9868e9ac5caa74

SHA256
49163831f55678fc559f4da178283086eeef32544ce1df3d6b4ec5a24bd9a9cc

SHA512
74bbdcf6dc1ad76471f89592be1ba3bc5146581f77ebff1af9c92c9b29f99f56b50bce3de6a81584af20a08787a4b36036a7b124f825f96b0a57695b57795bc6

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