smokeloader | 4e41c19b14c957ccc63c041ec6f9af4e16b0d40c6055ea0ba084ac6e23be2bb8

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 08:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1c045e8926ce6d5197569178fc117b80N.exe
Size

252KB
MD5

1c045e8926ce6d5197569178fc117b80
SHA1

f75179712897dc47151ba8d9b9158c4e698e0349
SHA256

4e41c19b14c957ccc63c041ec6f9af4e16b0d40c6055ea0ba084ac6e23be2bb8
SHA512

757809532415be07e156af72d3f2c0f38ee18a704c84be1056cd1ea2720224bd800680f7fbfc6e709fc789863fcebf755b6d10733ab42fbbdfe72c3e5da18042
SSDEEP

3072:G2rEofwlzL27xIh3sSL6YwODDjPOWT/decdqV34tsCiGv/S+2Ynp5UgmL+RjWizr:G2pfwx2Kh3tL6YwQ/dLdM3FDgmIk

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1716	1c045e8926ce6d5197569178fc117b80N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2876	1716	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	1c045e8926ce6d5197569178fc117b80N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2876	1716	1c045e8926ce6d5197569178fc117b80N.exe	30
PID 1716 wrote to memory of 2876	1716	1c045e8926ce6d5197569178fc117b80N.exe	30
PID 1716 wrote to memory of 2876	1716	1c045e8926ce6d5197569178fc117b80N.exe	30
PID 1716 wrote to memory of 2876	1716	1c045e8926ce6d5197569178fc117b80N.exe	30

C:\Users\Admin\AppData\Local\Temp\1c045e8926ce6d5197569178fc117b80N.exe
"C:\Users\Admin\AppData\Local\Temp\1c045e8926ce6d5197569178fc117b80N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 128
  2⤵
  - Program crash
  PID:2876

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\CC4F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1716-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1716-5-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1716-4-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/1716-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1716-9-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download