f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2024, 10:34

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General

Target

f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe
Size

204KB
MD5

add03bc49b99d11338613001c707e422
SHA1

ddf346beed47b821cc6f05f71c8144204d9b35c6
SHA256

f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63
SHA512

f4d19d8d13f8cf9e3c53630434d8693090a9dded497f3129f0c6f20a6cbe474d289fa3de383680c3cd57ccbdea1d13f08507f17b06598cd99d6f2ef1e9c86d87
SSDEEP

1536:BSHcWgnQs8VMNvY3vy3QpTha55R8Vh2oLq4:B0cIs8mNvY63Qhha55doLq4

Score

10^/10

discovery

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.yesimcopy.com
Port:
21
Username:
yesimcopy1
Password:
825cyf

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe

Executes dropped EXE 1 IoCs

pid	Process
1952	jusched.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ba6854ce\jusched.exe	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe
File created	C:\Program Files (x86)\ba6854ce\ba6854ce	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe
File created	C:\Program Files (x86)\ba6854ce\info_a	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\2tdU3eap.job	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.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	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jusched.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 1952	3940	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe	92
PID 3940 wrote to memory of 1952	3940	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe	92
PID 3940 wrote to memory of 1952	3940	f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe	92

C:\Users\Admin\AppData\Local\Temp\f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe
"C:\Users\Admin\AppData\Local\Temp\f2207b746d6f3a6b86cea6da1664b0e42a242fa533ad763e58a9796b0c5a1c63.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Program Files (x86)\ba6854ce\jusched.exe
  "C:\Program Files (x86)\ba6854ce\jusched.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1952

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)\ba6854ce\ba6854ce

Filesize
17B

MD5
851925597482c48d6ebc2c8fc488ba8a

SHA1
26ea8d3f312e7a5fedb60239fb1efae58142defe

SHA256
8eeb055ee8dad09fb5f9251505c4098fe347194a30dcc04a72017ad483a6e03d

SHA512
606e8a4395a52e10a7f90255feb7d3dd445d3df9d49060862c5ede348036afbc6d97c474915cba6a51035a9a7dfb023839da87db92afd3b219758e1d5838bbcc

Download Submit
C:\Program Files (x86)\ba6854ce\info_a

Filesize
12B

MD5
83340c05ae7cd45b3f12b85c1ce66a54

SHA1
34f43d2e998ae3f8b583fec8eab4bd0ec474d9d2

SHA256
66f41e02a4d67e4044332a31a4ed8e0fefb2c2c9114e4e23929d742fce56089f

SHA512
7c6201d94e3fc00ea156e31081a798017400233e3ccd4673a6029419b31d6beb30903315dd3f9c2d86f54f038db551e2aa1e33dd81e781a57a48a24f91fcf84e

Download Submit
C:\Program Files (x86)\ba6854ce\jusched.exe

Filesize
204KB

MD5
1b648b829ce664a88b88c2767cb5fba8

SHA1
4b3040c3f7e5910ab25451adf7c5468f0c1eb384

SHA256
28e4f05314177b657925eed66235f2ae02616b6583b3f2993726e443c2e037fa

SHA512
e867ab5fc5dfcb49098b0e71c74dc0639c5180e23bd513d650e16b1fc323b0ae5ed66e531b6845c0e6b2a9adf705ec0bec6219b196a4772891f3a53c1dceb20d

Download Submit