1b4c4274c152abaa70081d7702d49d9d2be48695701c0fb0d753ea9c84adb029

Analysis

max time kernel
145s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 10:33

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General

Target

a38f376a437793ccffc4fd6fda4f828d.exe
Size

81KB
MD5

a38f376a437793ccffc4fd6fda4f828d
SHA1

07f8deae8c687c2cbe400804ef02971217ccfe00
SHA256

1b4c4274c152abaa70081d7702d49d9d2be48695701c0fb0d753ea9c84adb029
SHA512

c2e95e7d7d741c36ccf121f0c860e8817179b69806e0a9555833a665c23d16699976d9302c2ac531e85e11dfbd4e4ea4dfd181fff6e5a5c45bd4b3d7faea14a8
SSDEEP

1536:7cl7zKDfLplVKcBDdbNzfLVm2wm3e6XVTWfsvFM9sYf8jm3s20mRuYWlij:7wzGfVKcD7LI2wmHVWfsdM9sYkkluYWl

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-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	a38f376a437793ccffc4fd6fda4f828d.exe

Executes dropped EXE 1 IoCs

pid	Process
1944	msiconf.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\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msiexec.exe = "msiconf.exe"	a38f376a437793ccffc4fd6fda4f828d.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msiconf.exe	a38f376a437793ccffc4fd6fda4f828d.exe
File created	C:\Windows\SysWOW64\msiconf.exe	msiconf.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	a38f376a437793ccffc4fd6fda4f828d.exe
File opened for modification	C:\Windows\SysWOW64	msiconf.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 1944	1028	a38f376a437793ccffc4fd6fda4f828d.exe	90
PID 1028 wrote to memory of 1944	1028	a38f376a437793ccffc4fd6fda4f828d.exe	90
PID 1028 wrote to memory of 1944	1028	a38f376a437793ccffc4fd6fda4f828d.exe	90
PID 1028 wrote to memory of 3540	1028	a38f376a437793ccffc4fd6fda4f828d.exe	91
PID 1028 wrote to memory of 3540	1028	a38f376a437793ccffc4fd6fda4f828d.exe	91
PID 1028 wrote to memory of 3540	1028	a38f376a437793ccffc4fd6fda4f828d.exe	91

C:\Users\Admin\AppData\Local\Temp\a38f376a437793ccffc4fd6fda4f828d.exe
"C:\Users\Admin\AppData\Local\Temp\a38f376a437793ccffc4fd6fda4f828d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Windows\SysWOW64\msiconf.exe
  C:\Windows\system32\msiconf.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  PID:1944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A38F37~1.EXE >> nul
  2⤵
  PID:3540

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Thumbs.db

Filesize
14B

MD5
9b3f9a963a6fa0dd8654fcbb1fe8c787

SHA1
087c9a28cd822c703c1545e8f8edb9f23f5e160a

SHA256
67c71ec4ac6068796fa5a7624a178e3f4a33ac4c273e8ed30a9c7942d47b3d39

SHA512
41962a180bd11ee65762b714ddbd59663702734e7be7d01afb32e9e2f7592031b5dd3b1cf329368148ebb06a5853900528eda6c3562455f004835885c17b2753

Download Submit
C:\Windows\SysWOW64\msiconf.exe

Filesize
81KB

MD5
a38f376a437793ccffc4fd6fda4f828d

SHA1
07f8deae8c687c2cbe400804ef02971217ccfe00

SHA256
1b4c4274c152abaa70081d7702d49d9d2be48695701c0fb0d753ea9c84adb029

SHA512
c2e95e7d7d741c36ccf121f0c860e8817179b69806e0a9555833a665c23d16699976d9302c2ac531e85e11dfbd4e4ea4dfd181fff6e5a5c45bd4b3d7faea14a8

Download Submit
memory/1028-18-0x0000000000530000-0x0000000000560000-memory.dmp

Filesize
192KB

Download
memory/1028-1-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1028-2-0x0000000000530000-0x0000000000560000-memory.dmp

Filesize
192KB

Download
memory/1028-3-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1028-4-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1028-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1028-17-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1944-13-0x0000000000480000-0x00000000004B0000-memory.dmp

Filesize
192KB

Download
memory/1944-16-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/1944-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1944-20-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads