656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b

Analysis

max time kernel
30s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2023 16:12

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General

Target

656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b.exe
Size

3.1MB
MD5

60aef19c5ec72d4a68453729a37a7ed9
SHA1

e4e4245f955e295c87bba59742c96ec82d765c70
SHA256

656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b
SHA512

2c7dade07fcb49b3d0eddf465cd75035d9d341299787bfd5f5e43d13bf10196f423db8e6044560a1e809a0899316089af6646a6109afad9c22c1077a318c562c
SSDEEP

98304:q7TnM4p4fJebnhk4V3I/MCf2dPZt5NU52Z1kQYDU:q7TMw4fJe64RCKb5QI

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3704	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
3704	Au_.exe
3704	Au_.exe
3704	Au_.exe
3704	Au_.exe

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

System Information Discovery
T1082

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral2/files/0x0008000000022cde-3.dat	nsis_installer_1
behavioral2/files/0x0008000000022cde-3.dat	nsis_installer_2
behavioral2/files/0x0008000000022cde-4.dat	nsis_installer_1
behavioral2/files/0x0008000000022cde-4.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3704	Au_.exe
3704	Au_.exe
3704	Au_.exe
3704	Au_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 3704	2852	656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b.exe	92
PID 2852 wrote to memory of 3704	2852	656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b.exe	92
PID 2852 wrote to memory of 3704	2852	656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b.exe	92

C:\Users\Admin\AppData\Local\Temp\656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b.exe
"C:\Users\Admin\AppData\Local\Temp\656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsrFDD9.tmp\processwork.dll

Filesize
231KB

MD5
0a4fa7a9ba969a805eb0603c7cfe3378

SHA1
0f018a8d5b42c6ce8bf34b4a6422861c327af88c

SHA256
27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c

SHA512
e13e29712457d5e6351bfd69cba6320795d8b2fd1a047923814f8699f7188ec730ec7f0d946fdff66c8b430fef011415ed045b6ea56e4cc0b1d010171ab88178

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrFDD9.tmp\processwork.dll

Filesize
231KB

MD5
0a4fa7a9ba969a805eb0603c7cfe3378

SHA1
0f018a8d5b42c6ce8bf34b4a6422861c327af88c

SHA256
27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c

SHA512
e13e29712457d5e6351bfd69cba6320795d8b2fd1a047923814f8699f7188ec730ec7f0d946fdff66c8b430fef011415ed045b6ea56e4cc0b1d010171ab88178

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrFDD9.tmp\processwork.dll

Filesize
231KB

MD5
0a4fa7a9ba969a805eb0603c7cfe3378

SHA1
0f018a8d5b42c6ce8bf34b4a6422861c327af88c

SHA256
27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c

SHA512
e13e29712457d5e6351bfd69cba6320795d8b2fd1a047923814f8699f7188ec730ec7f0d946fdff66c8b430fef011415ed045b6ea56e4cc0b1d010171ab88178

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrFDD9.tmp\processwork.dll

Filesize
231KB

MD5
0a4fa7a9ba969a805eb0603c7cfe3378

SHA1
0f018a8d5b42c6ce8bf34b4a6422861c327af88c

SHA256
27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c

SHA512
e13e29712457d5e6351bfd69cba6320795d8b2fd1a047923814f8699f7188ec730ec7f0d946fdff66c8b430fef011415ed045b6ea56e4cc0b1d010171ab88178

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrFDD9.tmp\processwork.dll

Filesize
231KB

MD5
0a4fa7a9ba969a805eb0603c7cfe3378

SHA1
0f018a8d5b42c6ce8bf34b4a6422861c327af88c

SHA256
27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c

SHA512
e13e29712457d5e6351bfd69cba6320795d8b2fd1a047923814f8699f7188ec730ec7f0d946fdff66c8b430fef011415ed045b6ea56e4cc0b1d010171ab88178

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

Filesize
3.1MB

MD5
60aef19c5ec72d4a68453729a37a7ed9

SHA1
e4e4245f955e295c87bba59742c96ec82d765c70

SHA256
656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b

SHA512
2c7dade07fcb49b3d0eddf465cd75035d9d341299787bfd5f5e43d13bf10196f423db8e6044560a1e809a0899316089af6646a6109afad9c22c1077a318c562c

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

Filesize
3.1MB

MD5
60aef19c5ec72d4a68453729a37a7ed9

SHA1
e4e4245f955e295c87bba59742c96ec82d765c70

SHA256
656981af7be6b878710bba667d68fabfe51f89910fb749a337abc1612579f21b

SHA512
2c7dade07fcb49b3d0eddf465cd75035d9d341299787bfd5f5e43d13bf10196f423db8e6044560a1e809a0899316089af6646a6109afad9c22c1077a318c562c

Download Submit
memory/3704-10-0x0000000002F20000-0x0000000002F61000-memory.dmp

Filesize
260KB

Download