smokeloader | 1af039b45840346b46a0552781a6fcc4e53262ceb0297e743a331d37ae402434

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 22:06

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General

Target

7zS8B74BEBB/623f4ee7540ef_Sat1772b105d2a.exe
Size

228KB
MD5

1d9df64c4ae08e479b6ad3832aef8169
SHA1

4eb135e19b5731ae9169a3857ae3164cbba18bda
SHA256

56decc8a1e1898a1b2048f69345d08ae2b754b204056bac1a1567500e9852f47
SHA512

d4256b9cb1cc926a5ed181c5f5d351974d96fad51095e0caf6a6439d57e83f81a882db2dd737cd0e93beca65830769baf1024c321d3edcba09f0f4ebc04f0be5
SSDEEP

3072:a06l3jejxc4dJPWBPJbRX5SOn59wwlxV4Fw:f6wfbPwR/DwwlwF

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 1832 set thread context of 1636	1832	623f4ee7540ef_Sat1772b105d2a.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	623f4ee7540ef_Sat1772b105d2a.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30
PID 1832 wrote to memory of 1636	1832	623f4ee7540ef_Sat1772b105d2a.exe	30

C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee7540ef_Sat1772b105d2a.exe
"C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee7540ef_Sat1772b105d2a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee7540ef_Sat1772b105d2a.exe
  "C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee7540ef_Sat1772b105d2a.exe"
  2⤵
  PID:1636

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

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Downloads

memory/1636-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1636-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1636-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1636-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/1832-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download