b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 18:34

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General

Target

b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe
Size

64KB
MD5

edf92f3f42d6cb634254b384c8c214de
SHA1

18d42a714fa8a1fd2178e762ea8f5a02a4ec88f2
SHA256

b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6
SHA512

263af274f7133527bf2f44d786851a827c3d3091a76cd8310fde9d559fe1bc22eab870cfdf9ecef0b3644f8639d1912fc8374dc82a30e4a0d24a8e2463eaa6e6
SSDEEP

768:6/5inm+cd5rHemPXkqUEphjVuvios1rPr4adL0NqlJMU60+ppQ1TTGfLh:6RsvcdcQjosnvnZ6LQ1Eh

Score

10^/10

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.tripod.com
Port:
21
Username:
griptoloji
Password:
741852

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4656	jusched.exe

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	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Java\jre-09\bin\jusched.exe	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe
File opened for modification	C:\Program Files (x86)\Java\jre-09\bin\jusched.exe	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe
File created	C:\Program Files (x86)\Java\jre-09\bin\UF	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.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: EnumeratesProcesses 64 IoCs

pid	Process
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe
4656	jusched.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4656	4316	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe	82
PID 4316 wrote to memory of 4656	4316	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe	82
PID 4316 wrote to memory of 4656	4316	b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe	82

C:\Users\Admin\AppData\Local\Temp\b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe
"C:\Users\Admin\AppData\Local\Temp\b8aa601a8170430b2aa72e1cf172041089a673972ec16a2ea4c43168ececdaf6.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Program Files (x86)\Java\jre-09\bin\jusched.exe
  "C:\Program Files (x86)\Java\jre-09\bin\jusched.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:4656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
64KB

MD5
b9c3e9438dc3159882ced6f06fc6adc4

SHA1
a1d7140368b2733cf368ce1b743e8df369fca51c

SHA256
adf9f680fc2664d1adde8d260350ee50fa8c8c4c2e76fe18a42f2352b2051bb6

SHA512
cc809565833ae7a24d8025d2df03454bffa0fc92bcbdb5fa5c9bda5a1d5f979ab326e35e47b097741b6bb43c74fa9e38711f36a2a42a023a1b778943c654c500

Download Submit
C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
64KB

MD5
b9c3e9438dc3159882ced6f06fc6adc4

SHA1
a1d7140368b2733cf368ce1b743e8df369fca51c

SHA256
adf9f680fc2664d1adde8d260350ee50fa8c8c4c2e76fe18a42f2352b2051bb6

SHA512
cc809565833ae7a24d8025d2df03454bffa0fc92bcbdb5fa5c9bda5a1d5f979ab326e35e47b097741b6bb43c74fa9e38711f36a2a42a023a1b778943c654c500

Download Submit
memory/4316-132-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4316-136-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4656-137-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4656-138-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download