cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/11/2022, 03:28

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General

Target

cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe
Size

2.1MB
MD5

cd7d42413d00ec74b9f0f147e02ab545
SHA1

82e17fe809dcab3353bcca8ca7113bf0548a9e78
SHA256

cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da
SHA512

33be4e15e8cdc3c2e83b53329d08cc80ab15936fe4bc5b97a35b9191321d0fe2af57c5d08c2c211b498bded9326f9847ea7100adeea51185dd918a827b362bed
SSDEEP

24576:xsRxc6xa3Wkc8IixyVla+0I79QyBccM0tqsfOf7P9kIWsFy:2Rba3WqOa+0IhNa0ti7PrWK

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
804	USB1.9.7_CN.exe
1372	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
1280	cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe
1280	cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	USB1.9.7_CN.exe

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

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
804	USB1.9.7_CN.exe
804	USB1.9.7_CN.exe
804	USB1.9.7_CN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 804	1280	cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe	28
PID 1280 wrote to memory of 804	1280	cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe	28
PID 1280 wrote to memory of 804	1280	cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe	28
PID 1280 wrote to memory of 804	1280	cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe	28

C:\Users\Admin\AppData\Local\Temp\cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe
"C:\Users\Admin\AppData\Local\Temp\cee0eb94bf42df0d5b827d8b4bbb7051040895110dd679b4a3bc9b542f40b8da.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\USB1.9.7_CN\USB1.9.7_CN.exe
  C:\Users\Admin\AppData\Local\Temp\USB1.9.7_CN\USB1.9.7_CN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:804

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:\Users\Admin\AppData\Local\Temp\USB1.9.7_CN\USB1.9.7_CN.exe

Filesize
1.6MB

MD5
2728bf8f32f914f98d809c27cd3b7136

SHA1
104c9e35f304f3d621d1271ff4a8d19869a5ac8a

SHA256
80f38e7bb2d12eaba1dde965162b501e0c5b68dc590f1ef1eddc6899f8d2fa6b

SHA512
7986eddf19249ccd03ddf0d62aad51349e4398959c5c653254fdc693b068f11e14ef775841dd60000491d1add7f547e92a92d04accd1c26206473feff7dc1e30

Download Submit
C:\Users\Admin\AppData\Local\Temp\USB1.9.7_CN\USB1.9.7_CN.exe

Filesize
1.6MB

MD5
2728bf8f32f914f98d809c27cd3b7136

SHA1
104c9e35f304f3d621d1271ff4a8d19869a5ac8a

SHA256
80f38e7bb2d12eaba1dde965162b501e0c5b68dc590f1ef1eddc6899f8d2fa6b

SHA512
7986eddf19249ccd03ddf0d62aad51349e4398959c5c653254fdc693b068f11e14ef775841dd60000491d1add7f547e92a92d04accd1c26206473feff7dc1e30

Download Submit
\Users\Admin\AppData\Local\Temp\USB1.9.7_CN\USB1.9.7_CN.exe

Filesize
1.6MB

MD5
2728bf8f32f914f98d809c27cd3b7136

SHA1
104c9e35f304f3d621d1271ff4a8d19869a5ac8a

SHA256
80f38e7bb2d12eaba1dde965162b501e0c5b68dc590f1ef1eddc6899f8d2fa6b

SHA512
7986eddf19249ccd03ddf0d62aad51349e4398959c5c653254fdc693b068f11e14ef775841dd60000491d1add7f547e92a92d04accd1c26206473feff7dc1e30

Download Submit
\Users\Admin\AppData\Local\Temp\USB1.9.7_CN\USB1.9.7_CN.exe

Filesize
1.6MB

MD5
2728bf8f32f914f98d809c27cd3b7136

SHA1
104c9e35f304f3d621d1271ff4a8d19869a5ac8a

SHA256
80f38e7bb2d12eaba1dde965162b501e0c5b68dc590f1ef1eddc6899f8d2fa6b

SHA512
7986eddf19249ccd03ddf0d62aad51349e4398959c5c653254fdc693b068f11e14ef775841dd60000491d1add7f547e92a92d04accd1c26206473feff7dc1e30

Download Submit
\Users\Admin\AppData\Local\Temp\nstE331.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/804-59-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

Download
memory/1280-54-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download