1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 19:29

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General

Target

1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
Size

175KB
MD5

22f72f91e5971063cdf76884e5af7f6f
SHA1

3aabe2fadd4121234a95e64bf82223b6293001d0
SHA256

1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598
SHA512

3c3eecdcb86d04550fceec6ad5535e83f03b131783fce54e056e4806243e824b798056467f82e14cdaff1ba60dde70c363500973f39c977bc33610c4fe1dc512
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8ZtkaH:o68i3odBiTl2+TCU/DtkE

Score

7^/10

persistence

Malware Config

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-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon3.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\bugMAKER.bat	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\winhash_up.exez	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File opened for modification	C:\Windows\winhash_up.exez	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\winhash_up.exe	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
728	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 728	564	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe	84
PID 564 wrote to memory of 728	564	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe	84
PID 564 wrote to memory of 728	564	1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe	84

C:\Users\Admin\AppData\Local\Temp\1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe
"C:\Users\Admin\AppData\Local\Temp\1bf3494235405e145fd0d0b2707ad284ad2862052a2ece49acfec1b0eae22598.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
108B

MD5
70c2b5970334da758b1d3fffacbd7811

SHA1
4a3a70c11577f02892b0df612e665dd38d3f7ad5

SHA256
86b5d68b47ee8c6c68f10e32566d3183288c16cbe529b9d32fbb7872e10c80da

SHA512
3e0c45be7b07bf6d8c5cd2faa980edbccd5bde42d9586f1312c9d6e5e4fea1ebfa550e9a568888a20f57c499a42a21e788f376837fbd0cfdc3e10729b564d836

Download Submit
memory/564-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads