smokeloader | 398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-08-2024 20:55

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General

Target

398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe
Size

285KB
MD5

579490a130cb54ce7bc1db31e73286fb
SHA1

fc89cf89461fc7fb5a73060058588d71bf29fb34
SHA256

398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701
SHA512

7e2b97f3eddbc31f0786cf7411a4d2d90a7df2c7dece487b325e55e3f385effc4729fe23318a5ced8d123f82e0dc772b98b062b1629f8a71e480111068386886
SSDEEP

6144:4bwZSj6j6lNJ5tw3URj2A8GVDGbww5aOHZA7lSV61EOb7:MGSj6rGVDMkOHe7tN

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1312	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2088	1312	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	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2088	1312	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe	30
PID 1312 wrote to memory of 2088	1312	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe	30
PID 1312 wrote to memory of 2088	1312	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe	30
PID 1312 wrote to memory of 2088	1312	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe	30

C:\Users\Admin\AppData\Local\Temp\398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe
"C:\Users\Admin\AppData\Local\Temp\398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 128
  2⤵
  - Program crash
  PID:2088

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\CC4F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1312-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/1312-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1312-6-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download
memory/1312-7-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/1312-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1312-8-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download