3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3

Analysis

max time kernel
128s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29-04-2024 20:44

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General

Target

3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
Size

245KB
MD5

64eb0a8b6f772f26841fdd63755f2987
SHA1

225d397812ed26e075e126fc587a5380bd79870c
SHA256

3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3
SHA512

e467d537836f6b7dbed52b71b84246b3c3f3363e3dab37c7519aff5aec5031764dee86f07d97b9a4f662035b7db2f1fd610559bb7c4dada10c6a2f9d01931a3c
SSDEEP

3072:9vVQLIkLWeaA8KlCph9GrowNM77sap/y5n2QTOq:NVbk6pNQOri8lp/y5nh

Score

10^/10

Malware Config

Extracted

Credentials

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

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1720	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
3008	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
3008	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\fba9e1be\jusched.exe	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
File created	C:\Program Files (x86)\fba9e1be\fba9e1be	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1720	3008	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	28
PID 3008 wrote to memory of 1720	3008	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	28
PID 3008 wrote to memory of 1720	3008	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	28
PID 3008 wrote to memory of 1720	3008	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	28

C:\Users\Admin\AppData\Local\Temp\3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
"C:\Users\Admin\AppData\Local\Temp\3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Program Files (x86)\fba9e1be\jusched.exe
  "C:\Program Files (x86)\fba9e1be\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:1720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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)\fba9e1be\fba9e1be

Filesize
17B

MD5
7bdf61d37c9adf3e1c6937107016091f

SHA1
56b8e0c454f9dd16d508a04b3afa7e458453ac41

SHA256
4c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0

SHA512
ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1

Download Submit
\Program Files (x86)\fba9e1be\jusched.exe

Filesize
246KB

MD5
60d397a9fce59123fae8dd76bc6fe595

SHA1
493cc4119acd128c0862cc4ad7385048d43ec88a

SHA256
56c5bd93ef5df05beccb912ec0e2b3b53719a8c56932b0027f2e0be133ab1cb4

SHA512
4f2338539df56f4c401917bd97fd3e4696702c13a7b14eabbb0f32c97b84a691a169acb5616d96cbd099a6251d5c1208819782fe4810230caa3fc8f3d7f8daa1

Download Submit
memory/3008-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3008-7-0x0000000002A10000-0x0000000002A5C000-memory.dmp

Filesize
304KB

Download
memory/3008-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download