21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe

Executes dropped EXE 1 IoCs

pid	Process
4844	jusched.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\9c2a8c14\9c2a8c14	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
File created	C:\Program Files (x86)\9c2a8c14\jusched.exe	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	jusched.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe
4844	jusched.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 4844	4680	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	82
PID 4680 wrote to memory of 4844	4680	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	82
PID 4680 wrote to memory of 4844	4680	21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe	82

C:\Users\Admin\AppData\Local\Temp\21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe
"C:\Users\Admin\AppData\Local\Temp\21c541bd4bf0ad72d31774e8bfb5668d1138d8e8b986a32abae2ef9801edd588N.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Program Files (x86)\9c2a8c14\jusched.exe
  "C:\Program Files (x86)\9c2a8c14\jusched.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\9c2a8c14\9c2a8c14

Filesize
13B

MD5
f253efe302d32ab264a76e0ce65be769

SHA1
768685ca582abd0af2fbb57ca37752aa98c9372b

SHA256
49dca65f362fee401292ed7ada96f96295eab1e589c52e4e66bf4aedda715fdd

SHA512
1990d20b462406bbadb22ba43f1ed9d0db6b250881d4ac89ad8cf6e43ca92b2fd31c3a15be1e6e149e42fdb46e58122c15bc7869a82c9490656c80df69fa77c4

Download Submit
C:\Program Files (x86)\9c2a8c14\jusched.exe

Filesize
62KB

MD5
93ab0ee1edee25b12836665c671c7931

SHA1
04d97f3c1acb2a7408fd20fee79161fc5eb2dc7a

SHA256
a6f92ca28c6f1e63645a493b1a9e98580dd964b450a080d4643c9d0c523ec617

SHA512
9a261c159da90f3ab41b9da530ea935090accdc737cca10adc68401c98b841430457c37372986103f5213b007d6868f5f00145c43c195b5105dd621c62d6da8a

Download Submit
memory/4680-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4680-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4680-4-0x0000000000520000-0x0000000000523000-memory.dmp

Filesize
12KB

Download
memory/4680-5-0x0000000000401000-0x0000000000406000-memory.dmp

Filesize
20KB

Download
memory/4680-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4844-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4844-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4844-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download