ec671e7d67ba76f3bc762862a92d174f538f051604e713fb4d4b72c659be8368

Analysis

max time kernel
191s
max time network
205s
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, 23:23

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General

Target

3e23ad7323c53b74bcaa8f89cabab863.exe
Size

384KB
MD5

3e23ad7323c53b74bcaa8f89cabab863
SHA1

b40a68a3f3ba5bd96af9f5671f98ed2b113fb36e
SHA256

ec671e7d67ba76f3bc762862a92d174f538f051604e713fb4d4b72c659be8368
SHA512

cf17dcb75aaf05593ef90435f5157611d56ba7bef7b231ab86ca9e63577d1ba171d85d28551e7d3b4a00701e8cc75b030a0505127af57ef7b9322b9229578183
SSDEEP

6144:zIUAoX5DbxT6KZrFfjCXlXApWysf1Bv1m12HaoWwdNNkDKp63y:sKtlXr9jCXlwwyOv1m1ya9wdNN563y

Score

7^/10

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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	3e23ad7323c53b74bcaa8f89cabab863.exe

Executes dropped EXE 1 IoCs

pid	Process
3536	isxftbf.exe

Loads dropped DLL 1 IoCs

pid	Process
3536	isxftbf.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1480	1636	WerFault.exe	86
4304	3536	WerFault.exe	108

Kills process with taskkill 1 IoCs

evasion

pid	Process
756	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4900	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 4592	1636	3e23ad7323c53b74bcaa8f89cabab863.exe	103
PID 1636 wrote to memory of 4592	1636	3e23ad7323c53b74bcaa8f89cabab863.exe	103
PID 1636 wrote to memory of 4592	1636	3e23ad7323c53b74bcaa8f89cabab863.exe	103
PID 4592 wrote to memory of 756	4592	cmd.exe	105
PID 4592 wrote to memory of 756	4592	cmd.exe	105
PID 4592 wrote to memory of 756	4592	cmd.exe	105
PID 4592 wrote to memory of 4900	4592	cmd.exe	107
PID 4592 wrote to memory of 4900	4592	cmd.exe	107
PID 4592 wrote to memory of 4900	4592	cmd.exe	107
PID 4592 wrote to memory of 3536	4592	cmd.exe	108
PID 4592 wrote to memory of 3536	4592	cmd.exe	108
PID 4592 wrote to memory of 3536	4592	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\3e23ad7323c53b74bcaa8f89cabab863.exe
"C:\Users\Admin\AppData\Local\Temp\3e23ad7323c53b74bcaa8f89cabab863.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 500
  2⤵
  - Program crash
  PID:1480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1636 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3e23ad7323c53b74bcaa8f89cabab863.exe" & start C:\Users\Admin\AppData\Local\isxftbf.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4592
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1636
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:756
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:4900
- - C:\Users\Admin\AppData\Local\isxftbf.exe
    C:\Users\Admin\AppData\Local\isxftbf.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 512
      4⤵
      Program crash
      PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1636 -ip 1636
1⤵
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3536 -ip 3536
1⤵
PID:4972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\isxftbf.exe

Filesize
384KB

MD5
3e23ad7323c53b74bcaa8f89cabab863

SHA1
b40a68a3f3ba5bd96af9f5671f98ed2b113fb36e

SHA256
ec671e7d67ba76f3bc762862a92d174f538f051604e713fb4d4b72c659be8368

SHA512
cf17dcb75aaf05593ef90435f5157611d56ba7bef7b231ab86ca9e63577d1ba171d85d28551e7d3b4a00701e8cc75b030a0505127af57ef7b9322b9229578183

Download Submit
memory/1636-0-0x0000000000D20000-0x0000000000D22000-memory.dmp

Filesize
8KB

Download
memory/1636-1-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/1636-2-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/1636-12-0x0000000000D10000-0x0000000000D12000-memory.dmp

Filesize
8KB

Download
memory/1636-14-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/3536-19-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/3536-20-0x0000000000D00000-0x0000000000D02000-memory.dmp

Filesize
8KB

Download
memory/3536-22-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download