e52fdf6405eea5e2619e4882658a9109ea803ead950dca8f0638aadd2ceaeee0

Analysis

max time kernel
148s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 05:09

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General

Target

3bf922c888d36d880d4abb9ab02a2007.exe
Size

8KB
MD5

3bf922c888d36d880d4abb9ab02a2007
SHA1

882798e4aa557a7d6b49a27a86dd93f13fd7ad40
SHA256

e52fdf6405eea5e2619e4882658a9109ea803ead950dca8f0638aadd2ceaeee0
SHA512

f10337efe36e8f2124328a1e62e51433c6f3b3645897f2dc63f883321356f7268047cce6f84f890600b29a472861be4664a837d1f41b1bcff89a69b7953d2cd7
SSDEEP

192:zWizBojjLY2W9cOp1fFaNJhLkwcud2DH9VwGfctlnO:zuU2C3daNJawcudoD7Ui

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	3bf922c888d36d880d4abb9ab02a2007.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 1 IoCs

pid	Process
1072	b2e.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4904	icacls.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/860-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/860-9-0x0000000000400000-0x000000000040A000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1072	860	3bf922c888d36d880d4abb9ab02a2007.exe	21
PID 860 wrote to memory of 1072	860	3bf922c888d36d880d4abb9ab02a2007.exe	21
PID 860 wrote to memory of 1072	860	3bf922c888d36d880d4abb9ab02a2007.exe	21
PID 1072 wrote to memory of 1740	1072	b2e.exe	23
PID 1072 wrote to memory of 1740	1072	b2e.exe	23
PID 1072 wrote to memory of 1740	1072	b2e.exe	23
PID 1740 wrote to memory of 5004	1740	cmd.exe	26
PID 1740 wrote to memory of 5004	1740	cmd.exe	26
PID 5004 wrote to memory of 4904	5004	java.exe	44
PID 5004 wrote to memory of 4904	5004	java.exe	44

C:\Users\Admin\AppData\Local\Temp\3bf922c888d36d880d4abb9ab02a2007.exe
"C:\Users\Admin\AppData\Local\Temp\3bf922c888d36d880d4abb9ab02a2007.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\AppData\Local\Temp\4362.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\4362.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\4362.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\3bf922c888d36d880d4abb9ab02a2007.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1072
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\448B.tmp\batfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1740
  - - C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
      java -Xmx256m client 1 live live software members english game1
      4⤵
      Suspicious use of WriteProcessMemory
      PID:5004
    - - C:\Windows\system32\icacls.exe
        
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        5⤵
        Modifies file permissions
        
        PID:4904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4362.tmp\b2e.exe

Filesize
8KB

MD5
939a888808a8da6e1f8fe8a7a535d2a2

SHA1
9bc1c8aea0ad2d4afc8ccdb10983d5042a42580a

SHA256
7b90facaba5111fff1f9da6c3b92ca9c884ee56e4a2f4324dbbe0e75352f1fb8

SHA512
9e9028b7f7b3ee4daa2d96517c461420db1020eab110089dda65400634e9a5c8a92ce5c5c87f37a814acc52a286934ee33ac13f4521f997b44c2322fd0238b12

Download Submit
memory/860-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/860-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1072-11-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5004-19-0x000002CAE1900000-0x000002CAE2900000-memory.dmp

Filesize
16.0MB

Download
memory/5004-26-0x000002CAE0080000-0x000002CAE0081000-memory.dmp

Filesize
4KB

Download