5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad

General

Target

5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe
Size

22KB
MD5

487d8f023a1ece2cc88098fd219f0a40
SHA1

6b6d8eb7f62682337654b86a56382c1cb2a857aa
SHA256

5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad
SHA512

058798c6f380dee48302e5c820078a55f34bc745a384b28823c72ca062671e70ead3f12ba3cecffed6a836bac552e599af9aeda602941a0d8978e0e5daf44d94
SSDEEP

384:dykBpbi8bcji30d1BCT/ob/xDbH580i02Jd+mSd+2Fo6zE:Mka+3sCT4ju0i0++E2+6z

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3324	jusched.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2040-132-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0003000000022dd5-136.dat	upx
behavioral2/files/0x0003000000022dd5-137.dat	upx
behavioral2/memory/4912-141-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4912-143-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4912-144-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/3324-146-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4912-148-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/2040-149-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4912-150-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.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\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java Quick Start = "C:\\Users\\Admin\\jusched.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3324 set thread context of 4912	3324	jusched.exe	86

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
2040	5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe
3324	jusched.exe
4912	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 3324	2040	5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe	85
PID 2040 wrote to memory of 3324	2040	5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe	85
PID 2040 wrote to memory of 3324	2040	5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe	85
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86
PID 3324 wrote to memory of 4912	3324	jusched.exe	86

C:\Users\Admin\AppData\Local\Temp\5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe
"C:\Users\Admin\AppData\Local\Temp\5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\jusched.exe
  "C:\Users\Admin\jusched.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3324
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of SetWindowsHookEx
    PID:4912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\jusched.exe

Filesize
22KB

MD5
487d8f023a1ece2cc88098fd219f0a40

SHA1
6b6d8eb7f62682337654b86a56382c1cb2a857aa

SHA256
5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad

SHA512
058798c6f380dee48302e5c820078a55f34bc745a384b28823c72ca062671e70ead3f12ba3cecffed6a836bac552e599af9aeda602941a0d8978e0e5daf44d94

Download Submit
C:\Users\Admin\jusched.exe

Filesize
22KB

MD5
487d8f023a1ece2cc88098fd219f0a40

SHA1
6b6d8eb7f62682337654b86a56382c1cb2a857aa

SHA256
5d9461c16fbe4b7e7fb7142505b0f738ab3e1fe93c4b762e3a96f55c023217ad

SHA512
058798c6f380dee48302e5c820078a55f34bc745a384b28823c72ca062671e70ead3f12ba3cecffed6a836bac552e599af9aeda602941a0d8978e0e5daf44d94

Download Submit
memory/2040-132-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2040-149-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3324-135-0x0000000000000000-mapping.dmp

Download
memory/3324-146-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4912-140-0x0000000000000000-mapping.dmp

Download
memory/4912-141-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4912-143-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4912-144-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4912-148-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4912-150-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

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