9247155122af2837cc74093308d82e28f4ca72668ee1af2263416940e5f01fd8

General

Target

054e5db55ebec731478297e3265bed60N.exe
Size

61KB
MD5

054e5db55ebec731478297e3265bed60
SHA1

cce47bf636d89e55d9e86ebab046cd16b7be9661
SHA256

9247155122af2837cc74093308d82e28f4ca72668ee1af2263416940e5f01fd8
SHA512

ea7cac5637b4b48c3ba7ca115405f98c3a87a9ebdf62820df146ad5c21e0f6f07a6a63312a4dd60f27e186b212909b817abb3679ee2fbde8426e4e7993349544
SSDEEP

384:PsjPGY2HXgrk8YhQ98E8I1XAV/QcaYpATUgch1A9NB/erxlR5XTFiNJ:PePG5H8+hKD8ISZQjkgs1lxlRn8

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2420	winupdate.exe

Loads dropped DLL 1 IoCs

pid	Process
1744	054e5db55ebec731478297e3265bed60N.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	054e5db55ebec731478297e3265bed60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	winupdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	winupdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30
PID 1744 wrote to memory of 2420	1744	054e5db55ebec731478297e3265bed60N.exe	30

C:\Users\Admin\AppData\Local\Temp\054e5db55ebec731478297e3265bed60N.exe
"C:\Users\Admin\AppData\Local\Temp\054e5db55ebec731478297e3265bed60N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\winupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:2420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\winupdate.exe

Filesize
61KB

MD5
c5297f8009e4ad557d2d23590fb1584d

SHA1
d0519ed8a6f4ed4952bcd1f1d59d47af6c5c0b13

SHA256
00c5114ff3cfc10364ce1c060dfdc21d4de062644f8562417761f64f60221f29

SHA512
b3f7e8b873c41e99e8ba4a773ff2e3f2d1c50c6fec477e83021a5f46b97db3d2fc5bac6040b4062d136b0cc2ea729303b74ea3097df6f9ffa544f0f4928da9a3

Download Submit
memory/1744-0-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/1744-2-0x0000000000501000-0x0000000000502000-memory.dmp

Filesize
4KB

Download
memory/1744-8-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/2420-9-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/2420-11-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download

Analysis

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