fb579cab0c840098a956836876b5c936ce65650ac1708f8e59bc1962582d05ac

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 20:50

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General

Target

Trojan.Win32.BlackMon.exe
Size

47KB
MD5

384c2ebb4440ee1297dfc815880c3f00
SHA1

a379f436236376ebb4e8ded76e72a2176f42fbd0
SHA256

fb579cab0c840098a956836876b5c936ce65650ac1708f8e59bc1962582d05ac
SHA512

20b65b4d2ea4474caa2a8036b46c7b7f378dd0eac4133b7c0ecb7d56f2d5ce4793d7799471a2801227a6a4f02d0a19a9b8910dd34b0d07f55fb9b013cc465981
SSDEEP

768:9qSqC8+N5ozQQqncwxWmNXMX3cX8tcXmcX8/XrX8/uUjC:9rqfzQQqamN88xjm7c7m

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	Trojan.Win32.BlackMon.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	jusched.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\f8fd5966\jusched.exe	Trojan.Win32.BlackMon.exe
File created	C:\Program Files (x86)\f8fd5966\f8fd5966	Trojan.Win32.BlackMon.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	Trojan.Win32.BlackMon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jusched.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe
2984	jusched.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 2984	4496	Trojan.Win32.BlackMon.exe	91
PID 4496 wrote to memory of 2984	4496	Trojan.Win32.BlackMon.exe	91
PID 4496 wrote to memory of 2984	4496	Trojan.Win32.BlackMon.exe	91

C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.BlackMon.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.BlackMon.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Program Files (x86)\f8fd5966\jusched.exe
  "C:\Program Files (x86)\f8fd5966\jusched.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4668,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4508 /prefetch:8
1⤵
PID:1016

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

Replay Monitor

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Downloads

C:\Program Files (x86)\f8fd5966\f8fd5966

Filesize
13B

MD5
f253efe302d32ab264a76e0ce65be769

SHA1
768685ca582abd0af2fbb57ca37752aa98c9372b

SHA256
49dca65f362fee401292ed7ada96f96295eab1e589c52e4e66bf4aedda715fdd

SHA512
1990d20b462406bbadb22ba43f1ed9d0db6b250881d4ac89ad8cf6e43ca92b2fd31c3a15be1e6e149e42fdb46e58122c15bc7869a82c9490656c80df69fa77c4

Download Submit
C:\Program Files (x86)\f8fd5966\jusched.exe

Filesize
47KB

MD5
b96edbc55bef382cc5aabe9dad9ef899

SHA1
620fb8537045bbe40df74bc64682b5cd2e244798

SHA256
bf897c294caea216c760c6cfad4a025a767d1a5256c20609b8215ec55e00bfc9

SHA512
f0f394f51a4f19c50397c14fa020f2f264b8d8737a89a156d31fb86c23147642c6eda29d0349c5d9f4e08adec307be8526cff1804b1fd908f42b4fd2a50f5baa

Download Submit
memory/2984-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2984-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2984-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4496-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4496-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4496-5-0x0000000000401000-0x0000000000406000-memory.dmp

Filesize
20KB

Download
memory/4496-4-0x00000000005B0000-0x00000000005B3000-memory.dmp

Filesize
12KB

Download
memory/4496-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download