c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c

Analysis

max time kernel
145s
max time network
157s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 09:40

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General

Target

c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe
Size

204KB
MD5

6a0ccc145f67eabfbe258d9da9380af9
SHA1

c4241662559ffd100dd7c48127cc89c2729f0364
SHA256

c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c
SHA512

37647c003c731a7693361f2115b98385d3125e5a3d804da63dc872079bc7cad07f3da57b78abf693a86822ba7cc17f1dc7b7c7a69cea152d364cd55f8b49ec54
SSDEEP

3072:4ePgCctxGv4QcU9KQ2BBA2waPxGtmol2R:cCctxGsWKQ2Bx5x2yR

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
612	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
1896	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe
1896	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe

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\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\f2344e80\jusched.exe	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe
File created	C:\Program Files (x86)\f2344e80\f2344e80	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.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 WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 612	1896	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe	28
PID 1896 wrote to memory of 612	1896	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe	28
PID 1896 wrote to memory of 612	1896	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe	28
PID 1896 wrote to memory of 612	1896	c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe	28

C:\Users\Admin\AppData\Local\Temp\c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe
"C:\Users\Admin\AppData\Local\Temp\c9b62b0f9c58964984a895e57d95a7c08d73f0b5f4a552a38551bbbfbea3e26c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Program Files (x86)\f2344e80\jusched.exe
  "C:\Program Files (x86)\f2344e80\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:612

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

C:\Program Files (x86)\f2344e80\f2344e80

Filesize
17B

MD5
552bb86ed2797d3fd12ac0d273afaf75

SHA1
6e8633f9c24590779acbd3dd14c60f856320bc0a

SHA256
3ef9ff5da8272fd1b14c83f12c8d28fd9dbf32d56bcb714921032b02557fe789

SHA512
dab57227de02f4667cc8e2ec47566088b473caa0387caffbdfde37f3400da7d4f67dd222e83a4fa93592694bbcff7c52a2bcec074868baf221bc47d9370c8d2c

Download Submit
C:\Program Files (x86)\f2344e80\jusched.exe

Filesize
204KB

MD5
6ece4e37aab816739b66a2522a797906

SHA1
31bfe972deb20ed9c924c6b6e17f098b949457e6

SHA256
a19b84b5e8a74cf023f4ec9182fbe3f04bd50ba857582547c8dc3e869100f487

SHA512
df7caf93d50fe7183e66a2f2e593bdd26906a290537c20a15e67ae166b8d86aebacef4b9b9e19adb77852907fd201cbe0473c3e4bc2725ab84ecba9bf9ce6d9e

Download Submit
\Program Files (x86)\f2344e80\jusched.exe

Filesize
204KB

MD5
6ece4e37aab816739b66a2522a797906

SHA1
31bfe972deb20ed9c924c6b6e17f098b949457e6

SHA256
a19b84b5e8a74cf023f4ec9182fbe3f04bd50ba857582547c8dc3e869100f487

SHA512
df7caf93d50fe7183e66a2f2e593bdd26906a290537c20a15e67ae166b8d86aebacef4b9b9e19adb77852907fd201cbe0473c3e4bc2725ab84ecba9bf9ce6d9e

Download Submit
\Program Files (x86)\f2344e80\jusched.exe

Filesize
204KB

MD5
6ece4e37aab816739b66a2522a797906

SHA1
31bfe972deb20ed9c924c6b6e17f098b949457e6

SHA256
a19b84b5e8a74cf023f4ec9182fbe3f04bd50ba857582547c8dc3e869100f487

SHA512
df7caf93d50fe7183e66a2f2e593bdd26906a290537c20a15e67ae166b8d86aebacef4b9b9e19adb77852907fd201cbe0473c3e4bc2725ab84ecba9bf9ce6d9e

Download Submit
memory/1896-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

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