smokeloader | 4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:48

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General

Target

4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe
Size

286KB
MD5

60061f92ec3df3a17b91496eb9dfb1f9
SHA1

da736546acd4f9612912759fbd3700fc0b49018b
SHA256

4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3
SHA512

92794ac598a4ecdcfef49c78021b783621b7e6f286b86ccf0e3b6f737b5d38ebb75450d7c63a2b5c3f4354f2ab57436d7426ad733ba91febba3ab1acd64d1144
SSDEEP

3072:T6gCHFAlxjckS4xh45EhJns5pQ5s0qo18sHV3/SEu3GWN5Hj/ZmQE:TlC6xjbLJTnUpQG7MHV3/SEQGsHj/

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
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.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	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29
PID 2532 wrote to memory of 740	2532	4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe	29

C:\Users\Admin\AppData\Local\Temp\4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe
"C:\Users\Admin\AppData\Local\Temp\4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe
  "C:\Users\Admin\AppData\Local\Temp\4e37710c060fd1dbd2d8bee6e7ff63eb106718d6dc921f1deb09c1193502feb3.exe"
  2⤵
  PID:740

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

memory/740-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/740-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/740-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/740-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/740-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2532-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download