smokeloader | 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f

Analysis

max time kernel
141s
max time network
128s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
28/07/2024, 01:16

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General

Target

61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe
Size

784KB
MD5

05de899a2e9b023f167c77e299c6ca01
SHA1

c104b67a69944ed526d35c8810a11e149b4f940a
SHA256

61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f
SHA512

d2c9a18aeac3577e5b00e16e346fc9ec5afe9afa2a12535893801e801fc30c6a0f08f3d3d968df7489329181a236b8b9daee047d0eb2862856fe45181872bf9f
SSDEEP

12288:sfcQ2enSVwLswxe1epJ4I/roVWBjIjh64kpLG/S:8v2enewAwxe1epuIcVGjIj0Sq

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2840	2852	WerFault.exe	29

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	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31
PID 2852 wrote to memory of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31
PID 2852 wrote to memory of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31
PID 2852 wrote to memory of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31
PID 2852 wrote to memory of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31
PID 2852 wrote to memory of 2700	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	31
PID 2852 wrote to memory of 2840	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	32
PID 2852 wrote to memory of 2840	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	32
PID 2852 wrote to memory of 2840	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	32
PID 2852 wrote to memory of 2840	2852	61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe	32

C:\Users\Admin\AppData\Local\Temp\61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe
"C:\Users\Admin\AppData\Local\Temp\61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 100
  2⤵
  - Program crash
  PID:2840

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

Replay Monitor

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Downloads

memory/2700-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2700-5-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2700-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2700-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2852-0-0x000000000041F000-0x0000000000420000-memory.dmp

Filesize
4KB

Download
memory/2852-9-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download