smokeloader | d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 03:03

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General

Target

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe
Size

284KB
MD5

019de73908514aab561a5fa964edc08d
SHA1

71601351d72138a2a3f6fd1afa085a7e08095b46
SHA256

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c
SHA512

733822fbeede658431df599e9675a8c81c23ce33616bf5aaa8eb5398b8cad6bdf4cf080e4076ddf2079ed839781c839de82d15e85b8c084d520e2aef1b818bf8
SSDEEP

6144:5nWpLHe9fl9PNXOgc3uGSH/QKvoTqLuowy4A0l0DRHR4k8:RWsp9HdPfHvGNytq0DRHR4

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:

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

pid	Process
2540	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2892	2540	WerFault.exe	28

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:

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

description	pid	Process	procid_target
PID 2540 wrote to memory of 2892	2540	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe	29
PID 2540 wrote to memory of 2892	2540	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe	29
PID 2540 wrote to memory of 2892	2540	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe	29
PID 2540 wrote to memory of 2892	2540	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe	29

C:\Users\Admin\AppData\Local\Temp\d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe
"C:\Users\Admin\AppData\Local\Temp\d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 128
  2⤵
  - Program crash
  PID:2892

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/2540-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2540-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2540-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2540-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2540-8-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2540-7-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download