smokeloader | b6217af649d93b7f3d6c33adb19441b924e96d0309bf0bcdfa81461f8bf1638d

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 20:11

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General

Target

bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe
Size

214KB
MD5

2cea614245de1ec3c3c5fb767acc051d
SHA1

bed4c966b25d94c09718f4c70f78cc1edd6a9de4
SHA256

b6217af649d93b7f3d6c33adb19441b924e96d0309bf0bcdfa81461f8bf1638d
SHA512

38654652ca24ff4c4e548c044b1f854efc9a2b8655cc97bdb6935e6a992b5651bdc8bcdf2edb1025edf1d4ef87c6c0b6325b665e4cfea7cf9d6adad2746fe54d
SSDEEP

6144:+5Cav7YAviw2dlUFs2WW7AOB0/cS9X0tJ1:+Uav7YAvnD7DdS9OJ

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 2516 set thread context of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31
PID 2516 wrote to memory of 2256	2516	bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe	31

C:\Users\Admin\AppData\Local\Temp\bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe
"C:\Users\Admin\AppData\Local\Temp\bed4c966b25d94c09718f4c70f78cc1edd6a9de4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2256

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/2256-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2256-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2516-0-0x00000000003D3000-0x00000000003D5000-memory.dmp

Filesize
8KB

Download