9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e

Analysis

max time kernel
158s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 20:55

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General

Target

9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe
Size

27KB
MD5

58dfee6b420ea7a64362e8f1db372590
SHA1

f22dcebb302c18ba22db8fbab0d6595726f341b5
SHA256

9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e
SHA512

4e6f51216189604a52d8d1bd8352dea8ab1b8285344b2e3bf45119cc3e1b760b42a34b34b851da42aa27864bc7790636b5f1addf57961a64f17cca8d8a21c0b1
SSDEEP

768:YqwpOX8naNIHQ919RSdTeTU578rjzzX0yqiJ63O:YqwOX8wIw9194ega/X3x8O

Score

7^/10

persistence themida

Malware Config

Signatures

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/396-132-0x0000000000400000-0x0000000000428F8F-memory.dmp	themida
behavioral2/memory/396-133-0x0000000000400000-0x0000000000428F8F-memory.dmp	themida
behavioral2/memory/396-134-0x0000000000400000-0x0000000000428F8F-memory.dmp	themida
behavioral2/memory/396-138-0x0000000000400000-0x0000000000428F8F-memory.dmp	themida

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\MessengerPlus\\wmplayer.exe"	9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe

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 1 IoCs

pid	Process
396	9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 2228	396	9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe	80
PID 396 wrote to memory of 2228	396	9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe	80
PID 2228 wrote to memory of 208	2228	msedge.exe	83
PID 2228 wrote to memory of 208	2228	msedge.exe	83

C:\Users\Admin\AppData\Local\Temp\9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe
"C:\Users\Admin\AppData\Local\Temp\9cc731f4a4f89ab43935428560ada0013420b7f7a263f79bf65b80fa57101b8e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:396
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.redtube.com/10671
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffe304c46f8,0x7ffe304c4708,0x7ffe304c4718
    3⤵
    PID:208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/208-139-0x0000000000000000-mapping.dmp

Download
memory/396-132-0x0000000000400000-0x0000000000428F8F-memory.dmp

Filesize
163KB

Download
memory/396-133-0x0000000000400000-0x0000000000428F8F-memory.dmp

Filesize
163KB

Download
memory/396-134-0x0000000000400000-0x0000000000428F8F-memory.dmp

Filesize
163KB

Download
memory/396-138-0x0000000000400000-0x0000000000428F8F-memory.dmp

Filesize
163KB

Download
memory/2228-137-0x0000000000000000-mapping.dmp

Download