2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ce

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 12:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

pegless.exe
Size

1.1MB
MD5

487fad16da392c87fb894a6ccbd95870
SHA1

16f4935ce6d245d535f23a1557b6f0e0ad77baa9
SHA256

2bbb66a5bad18e8ca2fee4fec0bfc6ce83b1cc4852d712c986685f095b3589ce
SHA512

bbb60d3e7a24964e100ea583bd701dbf1b1ebffb44fd03de5f6c096b87de8ded04e7ece05dd28995eb2bcdf1e3cdb1fcaa11078277cba3b41af1a5c4b8e04b59
SSDEEP

24576:zNrNYogUzS7ZTdlfjS03VwV5k7j5awX300zQUGtZc:Z+JI2Jj3VwXgj5aEkHUGtZc

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2172	powershell.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	pegless.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\stilhederne\tamtammens.ini	pegless.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\inddatafunktionens.Tra	pegless.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 2 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

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2172	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2172	2268	pegless.exe	30
PID 2268 wrote to memory of 2172	2268	pegless.exe	30
PID 2268 wrote to memory of 2172	2268	pegless.exe	30
PID 2268 wrote to memory of 2172	2268	pegless.exe	30

C:\Users\Admin\AppData\Local\Temp\pegless.exe
"C:\Users\Admin\AppData\Local\Temp\pegless.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Subleasing20=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Afsyringer.Una';$Damselflies181=$Subleasing20.SubString(62296,3);.$Damselflies181($Subleasing20) "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nseA861.tmp\nsExec.dll

Filesize
7KB

MD5
675c4948e1efc929edcabfe67148eddd

SHA1
f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

SHA256
1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

SHA512
61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

Download Submit
memory/2172-17-0x0000000074A51000-0x0000000074A52000-memory.dmp

Filesize
4KB

Download
memory/2172-19-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-20-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-18-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-21-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-22-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download