smokeloader | 921f09ab9c94ca5a866d028b363b7b3c65eee7d97b04982aca23ff4eb770bda8

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 12:16

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General

Target

7816af4bfde02b4c8b8e2d9f73b80840N.exe
Size

304KB
MD5

7816af4bfde02b4c8b8e2d9f73b80840
SHA1

3c4470c1ea8d35196f9a386ef6575b2cd45e5b5d
SHA256

921f09ab9c94ca5a866d028b363b7b3c65eee7d97b04982aca23ff4eb770bda8
SHA512

acf69743d1a22adc5aec5eabbda35c711f23085edd976c39f2f9673dba13bdf25a3b734960146a2b57b72b97e9708c76eaaf8bb00f30c05ea9b3a705ee295d58
SSDEEP

6144:KbmGsPYpE2Iz2ga60xe6wtMJxLJKwTrwZgfF66DR:bGOYpE2Iz2ga60lwtILYw3GoFR

Score

10^/10

smokeloader 0204 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0204

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2272	7816af4bfde02b4c8b8e2d9f73b80840N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.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	7816af4bfde02b4c8b8e2d9f73b80840N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29
PID 1628 wrote to memory of 2272	1628	7816af4bfde02b4c8b8e2d9f73b80840N.exe	29

C:\Users\Admin\AppData\Local\Temp\7816af4bfde02b4c8b8e2d9f73b80840N.exe
"C:\Users\Admin\AppData\Local\Temp\7816af4bfde02b4c8b8e2d9f73b80840N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\7816af4bfde02b4c8b8e2d9f73b80840N.exe
  "C:\Users\Admin\AppData\Local\Temp\7816af4bfde02b4c8b8e2d9f73b80840N.exe"
  2⤵
  - Loads dropped DLL
  PID:2272

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/1628-2-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/1628-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

Filesize
1024KB

Download
memory/2272-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2272-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2272-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2272-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download