stealc | bd82856effa255354bfb254ff1f1b072a1f4a4fa9dfc2c6572eaeed846e6f366

Analysis

max time kernel
67s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 11:07

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General

Target

Setup.exe
Size

2.7MB
MD5

870feaab725b148208dd12ffabe33f9d
SHA1

9f3651ad5725848c880c24f8e749205a7e1e78c1
SHA256

bbf7154f14d736f0c8491fb9fb44d2f179cdb02d34ab54c04466fa0702ea7d55
SHA512

5bea301f85e6a55fd5730793b960442bc4dab92d0bf47e4e55c5490448a4a22ed6d0feb1dbe9d56d6b6ff8d06f163381807f83f467621f527bc6521857fc8e1a
SSDEEP

49152:C11fbWXfBeBqTww8Gkfoa0yeL8zj9JLF+lP/MatsfHVnZbhG3EVsMI62Pseaj/1n:QbWkuwwjkULhlPUatsfBxhsE

Score

10^/10

stealc pushkin discovery persistence privilege_escalation stealer

Malware Config

Extracted

Family

stealc

Botnet

PUSHKIN

https://safefiledownloadsoft.com

Attributes

url_path
/725c63b56c99aa26.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Loads dropped DLL 1 IoCs

pid	Process
1200	TraceFmt.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4420 set thread context of 2928	4420	Setup.exe	79

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	1200	WerFault.exe	81

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	TraceFmt.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	TraceFmt.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4420	Setup.exe
4420	Setup.exe
2928	netsh.exe
2928	netsh.exe
1200	TraceFmt.exe
1200	TraceFmt.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4420	Setup.exe
2928	netsh.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	taskmgr.exe
Token: SeSystemProfilePrivilege	4892	taskmgr.exe
Token: SeCreateGlobalPrivilege	4892	taskmgr.exe
Token: 33	4892	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4892	taskmgr.exe

Suspicious use of FindShellTrayWindow 30 IoCs

pid	Process
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe

Suspicious use of SendNotifyMessage 29 IoCs

pid	Process
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe
4892	taskmgr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 2928	4420	Setup.exe	79
PID 4420 wrote to memory of 2928	4420	Setup.exe	79
PID 4420 wrote to memory of 2928	4420	Setup.exe	79
PID 4420 wrote to memory of 2928	4420	Setup.exe	79
PID 2928 wrote to memory of 1200	2928	netsh.exe	81
PID 2928 wrote to memory of 1200	2928	netsh.exe	81
PID 2928 wrote to memory of 1200	2928	netsh.exe	81
PID 2928 wrote to memory of 1200	2928	netsh.exe	81

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Windows\SysWOW64\netsh.exe
  C:\Windows\SysWOW64\netsh.exe
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Users\Admin\AppData\Local\Temp\TraceFmt.exe
    C:\Users\Admin\AppData\Local\Temp\TraceFmt.exe
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:1200
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 1340
      4⤵
      Program crash
      PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1200 -ip 1200
1⤵
PID:2464

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

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\TraceFmt.exe

Filesize
433KB

MD5
fea067901f48a5f1faf7ca3b373f1a8f

SHA1
e8abe0deb87de9fe3bb3a611234584e9a9b17cce

SHA256
bf24b2f3e3a3c60ed116791b99e5421a4de34ac9c6e2201d34ab487e448ce152

SHA512
07c83a2d3d5dd475bc8aa48eba9b03e8fb742dbbd7bd623ed05dc1086efed7dfd1c1b8f037ee2e81efba1de58ea3243d7c84ac8b484e808cd28765f9c7517023

Download Submit
C:\Users\Admin\AppData\Local\Temp\a1503dff

Filesize
1.3MB

MD5
af0c47910aeae40659b832657084010e

SHA1
4c48a7a7f1c8a1f26f5c71aa3629128fc8729de7

SHA256
cb0352e69e6d7ff69eb547a2a6d62724851c11b5bac686c47c6c68fc184380d0

SHA512
b5ed204df05a166ed50d2fea9fa7280b3ac2022b60c5902f0d2c27026d681c14d0bd9f971af037ee407c42909f14e31251869e92953de0b47a59b651bde31e47

Download Submit
memory/1200-17-0x0000000000350000-0x000000000058D000-memory.dmp

Filesize
2.2MB

Download
memory/1200-25-0x0000000000350000-0x000000000058D000-memory.dmp

Filesize
2.2MB

Download
memory/1200-23-0x00000000008E5000-0x00000000008ED000-memory.dmp

Filesize
32KB

Download
memory/1200-24-0x00000000008A0000-0x000000000095A000-memory.dmp

Filesize
744KB

Download
memory/1200-21-0x0000000000350000-0x000000000058D000-memory.dmp

Filesize
2.2MB

Download
memory/1200-20-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download
memory/2928-11-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download
memory/2928-13-0x000000007427E000-0x0000000074280000-memory.dmp

Filesize
8KB

Download
memory/2928-14-0x0000000074271000-0x000000007427F000-memory.dmp

Filesize
56KB

Download
memory/2928-16-0x0000000074271000-0x000000007427F000-memory.dmp

Filesize
56KB

Download
memory/2928-9-0x0000000074271000-0x000000007427F000-memory.dmp

Filesize
56KB

Download
memory/2928-26-0x000000007427E000-0x0000000074280000-memory.dmp

Filesize
8KB

Download
memory/4420-0-0x0000000074270000-0x00000000743EB000-memory.dmp

Filesize
1.5MB

Download
memory/4420-7-0x0000000074270000-0x00000000743EB000-memory.dmp

Filesize
1.5MB

Download
memory/4420-6-0x0000000074270000-0x00000000743EB000-memory.dmp

Filesize
1.5MB

Download
memory/4420-5-0x0000000074282000-0x0000000074284000-memory.dmp

Filesize
8KB

Download
memory/4420-1-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download
memory/4892-28-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-29-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-30-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-37-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-40-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-39-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-38-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-35-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-36-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download
memory/4892-34-0x000001E68A770000-0x000001E68A771000-memory.dmp

Filesize
4KB

Download