smokeloader | 5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0

Resubmissions

28-10-2024 23:04

241028-22dkkaxkgs 10

12-10-2023 03:13

231012-dq9a4acc9x 10

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 23:04

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General

Target

5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe
Size

240KB
MD5

3dfa31f7221ee15b4e402771d9799b49
SHA1

fb78d2ae1f1fa830cb85ae29aa3ec93a48af05c5
SHA256

5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0
SHA512

cb929de8302914a0e62cae098354d108f9ca0fdc879240f5ea74d3c85c3f19f4a4dbac588d6f5297cf4dbaaf235bf839eb84d8bef1d050b158713e3edaa5f8f5
SSDEEP

6144:wE5frpxdonyq4zaG2u5AOTeK5b0OIquqp:wyrp0/9u5Nemb/Iquqp

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2424	WerFault.exe	29

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	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 1356	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	30
PID 2424 wrote to memory of 2120	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	31
PID 2424 wrote to memory of 2120	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	31
PID 2424 wrote to memory of 2120	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	31
PID 2424 wrote to memory of 2120	2424	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	31

C:\Users\Admin\AppData\Local\Temp\5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe
"C:\Users\Admin\AppData\Local\Temp\5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 92
  2⤵
  - Program crash
  PID:2120

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

memory/1356-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1356-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1356-2-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1356-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1356-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1356-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download