smokeloader | 842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 17:43

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General

Target

842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
Size

323KB
MD5

b1473d6c76b7b276d5ce00ef49ae1d91
SHA1

5810d7f31e6275781a22b0b9cad1f378552250e2
SHA256

842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09
SHA512

18e0f938585e86a76f50990b9c01856caaf19e3a9e6160c2e5f8fce499e33029e7788acd4827f0c22d2db4853a0bc57ac43bd850201a04685179d030435ae05b
SSDEEP

3072:ssENKpXa+1pfbz2LjiLd25d1rJjnE3z6x8EzY4a9APmawcTVsPHepf:s2XFjfbiLjiLd21lIz7qLaGujf4f

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

pid	Process
3008	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.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	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29
PID 2660 wrote to memory of 3008	2660	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	29

C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
"C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
  "C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe"
  2⤵
  - Loads dropped DLL
  PID:3008

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\D47F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2660-5-0x0000000000D90000-0x0000000000E90000-memory.dmp

Filesize
1024KB

Download
memory/2660-4-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/2660-13-0x0000000000D90000-0x0000000000E90000-memory.dmp

Filesize
1024KB

Download
memory/3008-6-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3008-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3008-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download