smokeloader | 6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 09:57

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General

Target

6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe
Size

283KB
MD5

220dc52f9d39b5b3583a47179189e6c9
SHA1

90132453d7e8c431bdf8304cf4f3c081775d0822
SHA256

6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c
SHA512

adadcfb9d3d62bfb6e3da1df921bcb333256bd6a391abe8b719dd964d2bb16e0ca97159c2c0f9f2bbcf9952e97ad193867286810ea98add252ca3464ba49bbf2
SSDEEP

6144:5n/WYiBpqOpLe8+BIGsIcmZdv/CfpC2hFpO0TNstvso3oIQe:R/WYiBpqC/lt2vKfRFwYNstvs5y

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Loads dropped DLL 1 IoCs

Processes:

6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

pid process

2536 6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2700 2536 WerFault.exe 6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

pid	process
2536	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

pid	pid_target	process	target process
2700	2536	WerFault.exe	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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:

6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe

description	pid	process	target process
PID 2536 wrote to memory of 2700	2536	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe	WerFault.exe
PID 2536 wrote to memory of 2700	2536	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe	WerFault.exe
PID 2536 wrote to memory of 2700	2536	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe	WerFault.exe
PID 2536 wrote to memory of 2700	2536	6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe
"C:\Users\Admin\AppData\Local\Temp\6073c3209dd451cb419adeebcb8b59d29a4e6b9838d957b0aa29b7391b55416c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 128
  2⤵
  - Program crash
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2536-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/2536-3-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/2536-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2536-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2536-7-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download