91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454

Analysis

max time kernel
159s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 00:46

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General

Target

91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe
Size

20.0MB
MD5

1dbe02c53381e6f2e80a4eddd8b3e13d
SHA1

c337206e540444420fe76e80e19acaad728f4978
SHA256

91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454
SHA512

ce4720f5c43e4f092eeb35b4995f7fdbed640624b0c4a1a823070ab8a19199ebefac0ba49a5dc6003ef1fff9093568432505ac342eaefb87127bf5a562d544d1
SSDEEP

393216:YimdhqnnXYBzggCxYBgMaFgAFd3xiFV0Uh3WdVALzOF0L6JFOiPu6uX7qafpi:YimdhqnIBPCxYBwFg20b0Uh8MyS668uO

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0002000000021a93-136.dat	acprotect
behavioral2/files/0x0002000000021a93-137.dat	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0002000000021a93-136.dat	upx
behavioral2/files/0x0002000000021a93-137.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
2012	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe
2012	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2012	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe
2012	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe
2012	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81
PID 5096 wrote to memory of 2012	5096	91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe	81

C:\Users\Admin\AppData\Local\Temp\91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe
"C:\Users\Admin\AppData\Local\Temp\91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Users\Admin\AppData\Local\Temp\91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe
  "C:\Users\Admin\AppData\Local\Temp\91b184f3319f1b3f0449532d6843e61b4dda5e183ab41aef2a25af660756f454.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:2012

Network

MITRE ATT&CK Enterprise v6

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\{A1E4E685-6F26-4BE3-8AF6-3095BAE7F3F7}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
C:\Users\Admin\AppData\Local\Temp\{A1E4E685-6F26-4BE3-8AF6-3095BAE7F3F7}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/2012-133-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2012-135-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2012-134-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2012-138-0x0000000004790000-0x00000000047EB000-memory.dmp

Filesize
364KB

Download
memory/2012-139-0x0000000004790000-0x00000000047EB000-memory.dmp

Filesize
364KB

Download
memory/2012-140-0x0000000004790000-0x00000000047EB000-memory.dmp

Filesize
364KB

Download