smokeloader | c8b118ba173e4ecd87c04249247d7bd612d97bc031c79294a3ae7fdeac1db91b

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:44

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General

Target

c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
Size

334KB
MD5

678807c0b9d962178377f293f7484612
SHA1

694d2e1296cfb8f8cdc429657db56c45d021f6c1
SHA256

c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d
SHA512

4c6a151b1ed96bc068a6b461f778e9f88a8893a6876006312b224b1246ff74ba2f149c99797864e93058a4d9376a58c273983c53c0caa47af9c0f2d87d170610
SSDEEP

6144:a+CwdmzzY/hDow1YYQP5UTjCr7SS8vOh+3oQ9gOU+fzYBb6:3mYZk+jCPSS8B9gT6

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.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	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30
PID 2532 wrote to memory of 2540	2532	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	30

C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
"C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
  "C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe"
  2⤵
  PID:2540

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/2532-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2532-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/2540-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2540-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2540-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download