2be8f274ca9e75c6ee615a67964208e5bb6e0d96bba8916c72c42a63d435cbbf

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 04:46

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General

Target

2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe
Size

499KB
MD5

b089d82e779d6db0872d9aaff1701238
SHA1

7a96732673ce063fc78d918a31c6b5d015c19968
SHA256

2be8f274ca9e75c6ee615a67964208e5bb6e0d96bba8916c72c42a63d435cbbf
SHA512

e8a5414f904ffb31dc9010151060e8b68463fdf71d91204153d3248b78d7bac352858499830711fa7d0b3f8eed489085d47ee570c3fb97ff4b81c1cb7b952138
SSDEEP

6144:1ECNcqV5TEYDuw0JBjX3cR4XoXBCNqvvPKsqEvx5KS+fr5T/73l:+nE55a3JJU+oXBCwCsqWx5/+Z71

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1668	oe3z9jb3psifzjavg67x.exe
1064	fgrlfrqeqts.exe
2056	urpmmxfewjtw.exe
4172	fgrlfrqeqts.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\kgryuyigfc\djiqvrhowex	2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe
File created	C:\Windows\kgryuyigfc\djiqvrhowex	oe3z9jb3psifzjavg67x.exe
File created	C:\Windows\kgryuyigfc\djiqvrhowex	fgrlfrqeqts.exe
File created	C:\Windows\kgryuyigfc\djiqvrhowex	urpmmxfewjtw.exe
File created	C:\Windows\kgryuyigfc\djiqvrhowex	fgrlfrqeqts.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oe3z9jb3psifzjavg67x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fgrlfrqeqts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	urpmmxfewjtw.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1064	fgrlfrqeqts.exe
1064	fgrlfrqeqts.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe
2056	urpmmxfewjtw.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 1668	5080	2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe	82
PID 5080 wrote to memory of 1668	5080	2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe	82
PID 5080 wrote to memory of 1668	5080	2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe	82
PID 1064 wrote to memory of 2056	1064	fgrlfrqeqts.exe	84
PID 1064 wrote to memory of 2056	1064	fgrlfrqeqts.exe	84
PID 1064 wrote to memory of 2056	1064	fgrlfrqeqts.exe	84
PID 1668 wrote to memory of 4172	1668	oe3z9jb3psifzjavg67x.exe	85
PID 1668 wrote to memory of 4172	1668	oe3z9jb3psifzjavg67x.exe	85
PID 1668 wrote to memory of 4172	1668	oe3z9jb3psifzjavg67x.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-01_b089d82e779d6db0872d9aaff1701238_bkransomware.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- C:\kgryuyigfc\oe3z9jb3psifzjavg67x.exe
  "C:\kgryuyigfc\oe3z9jb3psifzjavg67x.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\kgryuyigfc\fgrlfrqeqts.exe
    "C:\kgryuyigfc\fgrlfrqeqts.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:4172

C:\kgryuyigfc\fgrlfrqeqts.exe
C:\kgryuyigfc\fgrlfrqeqts.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1064
- C:\kgryuyigfc\urpmmxfewjtw.exe
  fbil4al08ikb "c:\kgryuyigfc\fgrlfrqeqts.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\kgryuyigfc\djiqvrhowex

Filesize
10B

MD5
39aff10c5356babd31a03ceb805b2c29

SHA1
7549cde5498be2d69396f3e8678c374e10df2f47

SHA256
9ffabdb5b36426083b9122bdd91681e1310487627dac8c976872018f96caa260

SHA512
6d468303b146fffca7605237882ff566383b25f0c6db27bc21d683801474c013bf8b687355ee4eff82dca240c932b1e8199e1817d6f51653d2798b732bda85e0

Download Submit
C:\kgryuyigfc\oe3z9jb3psifzjavg67x.exe

Filesize
499KB

MD5
b089d82e779d6db0872d9aaff1701238

SHA1
7a96732673ce063fc78d918a31c6b5d015c19968

SHA256
2be8f274ca9e75c6ee615a67964208e5bb6e0d96bba8916c72c42a63d435cbbf

SHA512
e8a5414f904ffb31dc9010151060e8b68463fdf71d91204153d3248b78d7bac352858499830711fa7d0b3f8eed489085d47ee570c3fb97ff4b81c1cb7b952138

Download Submit