57592287aa0d69231dc808146ebcfd18ffd25c18639df768b353380f32526e48

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 19:35

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General

Target

Main.exe
Size

9KB
MD5

591b69583b5d480dfc37ebe5d4147da2
SHA1

7f6f6a10809302ce31db85795a20fe35cc711246
SHA256

57592287aa0d69231dc808146ebcfd18ffd25c18639df768b353380f32526e48
SHA512

6004acc7286b951a490fc22ce347b4ab0e53e1af8d32bdbcd81118196a8c15a7a94df0d34cc00beb50d77b855d82085425ba516982de69da605ed3d7a0290b85
SSDEEP

192:XPWZn7j7S9g1/gINyzRhLSqFaNJhLkwcud2DH9VwGfct1zO:OZnzS9gtyzn3aNJawcudoD7Uu

Score

7^/10

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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	Main.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 1 IoCs

pid	Process
1368	b2e.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3720-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/3720-11-0x0000000000400000-0x000000000040A000-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 9 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 1368	3720	Main.exe	82
PID 3720 wrote to memory of 1368	3720	Main.exe	82
PID 3720 wrote to memory of 1368	3720	Main.exe	82
PID 1368 wrote to memory of 2200	1368	b2e.exe	83
PID 1368 wrote to memory of 2200	1368	b2e.exe	83
PID 1368 wrote to memory of 2200	1368	b2e.exe	83
PID 2200 wrote to memory of 216	2200	cmd.exe	87
PID 2200 wrote to memory of 216	2200	cmd.exe	87
PID 2200 wrote to memory of 216	2200	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\Main.exe
"C:\Users\Admin\AppData\Local\Temp\Main.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Users\Admin\AppData\Local\Temp\398E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\398E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\398E.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\Main.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1368
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\39EC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2200
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      PID:216

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\398E.tmp\b2e.exe

Filesize
13KB

MD5
5ef49f0bbb9a43a0865635d0105d82e3

SHA1
02c52286bd9df5b7ba340f3ba531bc835483118e

SHA256
da026fd7e3318b65d9d418d3c896251ccdfa12949bc2bf8ad655b2cf8c96c32c

SHA512
17e5b4ce0cf027ef44b98ea6801e399d437f03e46aafbb40491922d3bbfdfbb08dcb823ba8ea29883333e6fdb0ad3083de5ff6610fbb55558b5b9ff0ce3019c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\39EC.tmp\batchfile.bat

Filesize
4KB

MD5
34fa12cee845d7ded3763362877a2fcd

SHA1
015b75f28494865d401f13bdba021ccb03295a0b

SHA256
76bfca848e6aae6326c0d2cb58ce10caec84951b344733e5bb5d736efafdbd19

SHA512
d0f1fea8431b89834e74ea02f4917e9985a7c87e586832fb69ed17189ff28e18648b20e2c4e6b2d6b45c4f2432b12937625dca9feadd8ada70d566dcdc3690d2

Download Submit
memory/1368-8-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1368-15-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3720-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3720-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download