d41fa3f65ecbf634812ffe9cb29bf546ff50d1456b0e89380d4f575a30329b97

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 01:42

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General

Target

770bd2b52da41659366ab5e9511b48e0N.exe
Size

208KB
MD5

770bd2b52da41659366ab5e9511b48e0
SHA1

b137e24b2c60600df6646d62beb5a630e47877fe
SHA256

d41fa3f65ecbf634812ffe9cb29bf546ff50d1456b0e89380d4f575a30329b97
SHA512

d09a07343b42c06523db70524740e0ae32847143e01229564893c43a9e731ce9006e3421873031e882832c625933fba86da670b8a9b0b86a70c1866e2620122e
SSDEEP

3072:tFqNLS84DiRZ594WGpPqgCjP1u4eJNLGJLWnulSGi4NLthEjQT6:7KLyDYd4WGxqph01GJ8m+QEj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2968	UJS.exe

Loads dropped DLL 2 IoCs

pid	Process
2984	cmd.exe
2984	cmd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\windows\system\UJS.exe	770bd2b52da41659366ab5e9511b48e0N.exe
File opened for modification	C:\windows\system\UJS.exe	770bd2b52da41659366ab5e9511b48e0N.exe
File created	C:\windows\system\UJS.exe.bat	770bd2b52da41659366ab5e9511b48e0N.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 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UJS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	770bd2b52da41659366ab5e9511b48e0N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2180	770bd2b52da41659366ab5e9511b48e0N.exe
2968	UJS.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2180	770bd2b52da41659366ab5e9511b48e0N.exe
2180	770bd2b52da41659366ab5e9511b48e0N.exe
2968	UJS.exe
2968	UJS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2984	2180	770bd2b52da41659366ab5e9511b48e0N.exe	30
PID 2180 wrote to memory of 2984	2180	770bd2b52da41659366ab5e9511b48e0N.exe	30
PID 2180 wrote to memory of 2984	2180	770bd2b52da41659366ab5e9511b48e0N.exe	30
PID 2180 wrote to memory of 2984	2180	770bd2b52da41659366ab5e9511b48e0N.exe	30
PID 2984 wrote to memory of 2968	2984	cmd.exe	32
PID 2984 wrote to memory of 2968	2984	cmd.exe	32
PID 2984 wrote to memory of 2968	2984	cmd.exe	32
PID 2984 wrote to memory of 2968	2984	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\770bd2b52da41659366ab5e9511b48e0N.exe
"C:\Users\Admin\AppData\Local\Temp\770bd2b52da41659366ab5e9511b48e0N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\windows\system\UJS.exe.bat" "
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\windows\system\UJS.exe
    C:\windows\system\UJS.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2968

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:\Windows\system\UJS.exe.bat

Filesize
66B

MD5
a8ff3a704cb3d8fecc2245fca991b25b

SHA1
c9cf64dc55406d5308b776464de7c797481666f3

SHA256
f5c772e9d0852b71f1d894633676f6bda6b8130c5d7c3c9e6865b993dba7df28

SHA512
82584e3913e28e0f0562b4763081e4192f95915ba38760724fa1cb197c538c247ba60a755d7a2fbed100daa4f2d9b423d3bb38196a0404da0bdf0ee7540acf84

Download Submit
C:\windows\system\UJS.exe

Filesize
208KB

MD5
665c95df367f098397abc7a766259d79

SHA1
ac5c727aba89ab401a60b9fe85808fad339e685d

SHA256
86d0894b8720c12a02cfff202a80fe71c7c8dd06930efcb283c3d5be900395e5

SHA512
fd6f18b3555d2a91500b0a4b0d3d85bf889f5bbf42e320d500411184bfe6d1f303ddaa8e9ba1d814594dbb8f95b4fda20491d1e6da1f909c12a600513f40cbf1

Download Submit
memory/2180-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2180-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2968-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2968-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2984-18-0x0000000000170000-0x00000000001A8000-memory.dmp

Filesize
224KB

Download
memory/2984-17-0x0000000000170000-0x00000000001A8000-memory.dmp

Filesize
224KB

Download