21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 03:12

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General

Target

21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
Size

62KB
MD5

aa5145c700f6e6631dd9769e5f9531e0
SHA1

574aac4ac7b47d72b87fab71d2b44b68d8630a09
SHA256

21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588
SHA512

8ce4790b699daeab9658cc6d06ffb5509c0ddceb868c48101bb683b5a0798e903491ab1a66d96d7972f27cba5712424713aa8768f03953fcf2d5269beb0953c4
SSDEEP

768:9qSqC8+N5ozQQRncwxWmNXMX3cX8wtgtzpAXpX8/X/7CUrfbtS6wcW:9rqfzQQRamN8835mv7CUroiW

Score

10^/10

discovery

Malware Config

Extracted

Credentials

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

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2704	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
2252	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
2252	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\2eb4b51d\jusched.exe	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
File created	C:\Program Files (x86)\2eb4b51d\2eb4b51d	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jusched.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe
2704	jusched.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2704	2252	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	30
PID 2252 wrote to memory of 2704	2252	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	30
PID 2252 wrote to memory of 2704	2252	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	30
PID 2252 wrote to memory of 2704	2252	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	30

C:\Users\Admin\AppData\Local\Temp\21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
"C:\Users\Admin\AppData\Local\Temp\21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Program Files (x86)\2eb4b51d\jusched.exe
  "C:\Program Files (x86)\2eb4b51d\jusched.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\2eb4b51d\2eb4b51d

Filesize
13B

MD5
f253efe302d32ab264a76e0ce65be769

SHA1
768685ca582abd0af2fbb57ca37752aa98c9372b

SHA256
49dca65f362fee401292ed7ada96f96295eab1e589c52e4e66bf4aedda715fdd

SHA512
1990d20b462406bbadb22ba43f1ed9d0db6b250881d4ac89ad8cf6e43ca92b2fd31c3a15be1e6e149e42fdb46e58122c15bc7869a82c9490656c80df69fa77c4

Download Submit
\Program Files (x86)\2eb4b51d\jusched.exe

Filesize
62KB

MD5
e0db7cef25b4c2e47ac406a67cff5306

SHA1
256992070a6e93dbc5662e6a830c6954bb4533a9

SHA256
bdfc9f7dfd505fef498fc110d35323f07f3b3f113b7a419d29199f8ff6351fb2

SHA512
9d4f709d76bb9bb772d4049b009ef55454ce2dfd496cb322a34a2690c7a47f64a8c72770e9a7fccc4527cb54fcf2e137df4b7cd88f01e96921d783f1d6d7f099

Download Submit
memory/2252-17-0x0000000004550000-0x0000000004594000-memory.dmp

Filesize
272KB

Download
memory/2252-5-0x0000000000401000-0x0000000000406000-memory.dmp

Filesize
20KB

Download
memory/2252-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2252-11-0x0000000004550000-0x0000000004594000-memory.dmp

Filesize
272KB

Download
memory/2252-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2252-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2252-24-0x0000000004550000-0x0000000004594000-memory.dmp

Filesize
272KB

Download
memory/2252-1-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2704-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2704-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2704-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download