7eec8c69d64ff13204172df9055198cba8a2ccd1e1881493de9fc0dafbbca568

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 07:53

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General

Target

EIuz8Bk9kGav2ix.exe
Size

1002KB
MD5

2e69c1a7d2a987f925aaad945c2ce2b2
SHA1

767d326371a5e8b3e3c85d5a87d3e928364b0e20
SHA256

123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
SHA512

77bcff731628c92d6a1888db1e05d6bc531607f0fb06f6c735ac8d46a9993bac03ba32461fc461dedcf4e7a3c786a300d981ab0362e92db2cb55453dd65405a6
SSDEEP

24576:50IeeyMLvMqxTE1am3NbYPu5xQBhlbeaI:WBek2TAam9SuxQBhT

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2588	powershell.exe
2488	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

powershell.exepowershell.exeschtasks.exeEIuz8Bk9kGav2ix.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EIuz8Bk9kGav2ix.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
1244	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

EIuz8Bk9kGav2ix.exepowershell.exepowershell.exe

pid	Process
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2848	EIuz8Bk9kGav2ix.exe
2488	powershell.exe
2588	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

EIuz8Bk9kGav2ix.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2848	EIuz8Bk9kGav2ix.exe
Token: SeDebugPrivilege	2488	powershell.exe
Token: SeDebugPrivilege	2588	powershell.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

EIuz8Bk9kGav2ix.exe

description	pid	Process	procid_target
PID 2848 wrote to memory of 2488	2848	EIuz8Bk9kGav2ix.exe	30
PID 2848 wrote to memory of 2488	2848	EIuz8Bk9kGav2ix.exe	30
PID 2848 wrote to memory of 2488	2848	EIuz8Bk9kGav2ix.exe	30
PID 2848 wrote to memory of 2488	2848	EIuz8Bk9kGav2ix.exe	30
PID 2848 wrote to memory of 2588	2848	EIuz8Bk9kGav2ix.exe	32
PID 2848 wrote to memory of 2588	2848	EIuz8Bk9kGav2ix.exe	32
PID 2848 wrote to memory of 2588	2848	EIuz8Bk9kGav2ix.exe	32
PID 2848 wrote to memory of 2588	2848	EIuz8Bk9kGav2ix.exe	32
PID 2848 wrote to memory of 1244	2848	EIuz8Bk9kGav2ix.exe	34
PID 2848 wrote to memory of 1244	2848	EIuz8Bk9kGav2ix.exe	34
PID 2848 wrote to memory of 1244	2848	EIuz8Bk9kGav2ix.exe	34
PID 2848 wrote to memory of 1244	2848	EIuz8Bk9kGav2ix.exe	34
PID 2848 wrote to memory of 884	2848	EIuz8Bk9kGav2ix.exe	36
PID 2848 wrote to memory of 884	2848	EIuz8Bk9kGav2ix.exe	36
PID 2848 wrote to memory of 884	2848	EIuz8Bk9kGav2ix.exe	36
PID 2848 wrote to memory of 884	2848	EIuz8Bk9kGav2ix.exe	36
PID 2848 wrote to memory of 796	2848	EIuz8Bk9kGav2ix.exe	37
PID 2848 wrote to memory of 796	2848	EIuz8Bk9kGav2ix.exe	37
PID 2848 wrote to memory of 796	2848	EIuz8Bk9kGav2ix.exe	37
PID 2848 wrote to memory of 796	2848	EIuz8Bk9kGav2ix.exe	37
PID 2848 wrote to memory of 1492	2848	EIuz8Bk9kGav2ix.exe	38
PID 2848 wrote to memory of 1492	2848	EIuz8Bk9kGav2ix.exe	38
PID 2848 wrote to memory of 1492	2848	EIuz8Bk9kGav2ix.exe	38
PID 2848 wrote to memory of 1492	2848	EIuz8Bk9kGav2ix.exe	38
PID 2848 wrote to memory of 1480	2848	EIuz8Bk9kGav2ix.exe	39
PID 2848 wrote to memory of 1480	2848	EIuz8Bk9kGav2ix.exe	39
PID 2848 wrote to memory of 1480	2848	EIuz8Bk9kGav2ix.exe	39
PID 2848 wrote to memory of 1480	2848	EIuz8Bk9kGav2ix.exe	39
PID 2848 wrote to memory of 2916	2848	EIuz8Bk9kGav2ix.exe	40
PID 2848 wrote to memory of 2916	2848	EIuz8Bk9kGav2ix.exe	40
PID 2848 wrote to memory of 2916	2848	EIuz8Bk9kGav2ix.exe	40
PID 2848 wrote to memory of 2916	2848	EIuz8Bk9kGav2ix.exe	40

C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe
"C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RNJBFdvJTXAE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RNJBFdvJTXAE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8CD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1244
- C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe
  "C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
  2⤵
  PID:884
- C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe
  "C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
  2⤵
  PID:796
- C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe
  "C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
  2⤵
  PID:1492
- C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe
  "C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
  2⤵
  PID:1480
- C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe
  "C:\Users\Admin\AppData\Local\Temp\EIuz8Bk9kGav2ix.exe"
  2⤵
  PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA8CD.tmp

Filesize
1KB

MD5
420621411ad9a8f0573dd25f0b5b501c

SHA1
ba230b7b236916034c5a66359ff801a7787a18e8

SHA256
36279a9a6a7c978d86686787a19d5075176683c0683e2a65acc9c9bf33c2da7c

SHA512
81ffa9c78e952611357cddbe700cbc4a622d6665cc635c5864d7b1d6a2703d3bd8d82c2b2fe967d3602a260bcf68b246efa2ed8ac596b426ac88f3e9e00d2e48

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2CZTKS0E68G5TV8N8ABA.temp

Filesize
7KB

MD5
565a14ac7a74fe7eb7a356a3ad7abeec

SHA1
5b6fc81c05c6ba583afade427e7a4387603ca0df

SHA256
539e8cecde38d8492e740251cbefac512aa1a6501ac2a7677e0b78718f72eaca

SHA512
c974626b46e35b8e48542b68855b0009381eb6099cd43fa5fc8d55a40a9988a3fb2046b480718a0ff6ffceb2f78e7941a5663df63510831c0f99557872f169ac

Download Submit
memory/2848-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2848-1-0x0000000000340000-0x0000000000440000-memory.dmp

Filesize
1024KB

Download
memory/2848-2-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-3-0x0000000000460000-0x0000000000478000-memory.dmp

Filesize
96KB

Download
memory/2848-4-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2848-5-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-6-0x0000000007690000-0x0000000007754000-memory.dmp

Filesize
784KB

Download
memory/2848-19-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download