smokeloader | fbdda2357b3b4439dcd370d5095655f08bc3bca07eaefdb55c8e8f89d0c3607e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 18:49

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General

Target

0053bfb9b145fc5b257b8b96ee050890N.exe
Size

287KB
MD5

0053bfb9b145fc5b257b8b96ee050890
SHA1

75e6b5662f1fd968f7db9df1d4de69c1a1f7d552
SHA256

fbdda2357b3b4439dcd370d5095655f08bc3bca07eaefdb55c8e8f89d0c3607e
SHA512

0b1e6cd8c14e8d2893e4d3a6e35a536baee3c887ae7169fb7a5a19cc4a6f57db2da033d51b0433ab4fd4f6b4b1877cd288efcae8cac7c587c0f52a34ef569134
SSDEEP

3072:9cf4BqU5F2Mr8zbFDauRJiu1qgqJrPOgNlvLYh8FYGyX11G2CI9OdmRggxHjzwoq:GIqUYRVf6rPPMVzX1oxOjzVu

Score

10^/10

smokeloader 0704 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0704

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2740	0053bfb9b145fc5b257b8b96ee050890N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30

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	0053bfb9b145fc5b257b8b96ee050890N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30
PID 2324 wrote to memory of 2740	2324	0053bfb9b145fc5b257b8b96ee050890N.exe	30

C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe
"C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe
  "C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe"
  2⤵
  - Loads dropped DLL
  PID:2740

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\AE30.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2324-5-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/2324-4-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2324-13-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2740-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2740-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2740-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download