8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57

Analysis

max time kernel
147s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 00:14

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General

Target

8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe
Size

189KB
MD5

0a62f67759e3ccb71f4e2968e8bd3020
SHA1

b4c5dc55dbd5fe6eb24349a26c60411d9f6a99e7
SHA256

8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57
SHA512

2a6894a6c9e676410ca2d7fa28a1298a709fecfcb004eb3196d14dd9ebf5b3c36af782b184e35db3931526fb88541f15c49d896666d9a8aec63d985057afc8af
SSDEEP

1536:/vVQb4cLIkN+4Weat2RKLjWlC48Pp9JAcjYSrowfFD:/vVQLIkLWeaA8KlCph99rowfFD

Score

10^/10

persistence

Malware Config

Extracted

Credentials

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

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1932	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
1364	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe
1364	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.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	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\8d6ee0c1\jusched.exe	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe
File created	C:\Program Files (x86)\8d6ee0c1\8d6ee0c1	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.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 1364 wrote to memory of 1932	1364	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe	26
PID 1364 wrote to memory of 1932	1364	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe	26
PID 1364 wrote to memory of 1932	1364	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe	26
PID 1364 wrote to memory of 1932	1364	8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe	26

C:\Users\Admin\AppData\Local\Temp\8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.exe
"C:\Users\Admin\AppData\Local\Temp\8404719497ca6b5b09ee72a6488eb4bf09f2654b764cc8ff6329fbfe6585ff57.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:1364
- C:\Program Files (x86)\8d6ee0c1\jusched.exe
  "C:\Program Files (x86)\8d6ee0c1\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:1932

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)\8d6ee0c1\8d6ee0c1

Filesize
17B

MD5
7bdf61d37c9adf3e1c6937107016091f

SHA1
56b8e0c454f9dd16d508a04b3afa7e458453ac41

SHA256
4c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0

SHA512
ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1

Download Submit
C:\Program Files (x86)\8d6ee0c1\jusched.exe

Filesize
189KB

MD5
b9d6d8501bf5d7ad562c3f8be256e69d

SHA1
d54e09142b0e498b1929638f479969fa6336be1c

SHA256
745d2250a0f7c34155ac0865a72a255b00edd6364e969c65cc05c33973ca09e3

SHA512
7e2f9b106f3b7241b14673836b9b2d42ccb46488c2c9f775b81ec11fb3e049bba1371303f5aa0f711aace2fecbd014433b013c40fed58f17bdbf4259bfb63273

Download Submit
\Program Files (x86)\8d6ee0c1\jusched.exe

Filesize
189KB

MD5
b9d6d8501bf5d7ad562c3f8be256e69d

SHA1
d54e09142b0e498b1929638f479969fa6336be1c

SHA256
745d2250a0f7c34155ac0865a72a255b00edd6364e969c65cc05c33973ca09e3

SHA512
7e2f9b106f3b7241b14673836b9b2d42ccb46488c2c9f775b81ec11fb3e049bba1371303f5aa0f711aace2fecbd014433b013c40fed58f17bdbf4259bfb63273

Download Submit
\Program Files (x86)\8d6ee0c1\jusched.exe

Filesize
189KB

MD5
b9d6d8501bf5d7ad562c3f8be256e69d

SHA1
d54e09142b0e498b1929638f479969fa6336be1c

SHA256
745d2250a0f7c34155ac0865a72a255b00edd6364e969c65cc05c33973ca09e3

SHA512
7e2f9b106f3b7241b14673836b9b2d42ccb46488c2c9f775b81ec11fb3e049bba1371303f5aa0f711aace2fecbd014433b013c40fed58f17bdbf4259bfb63273

Download Submit
memory/1364-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

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