smokeloader | 2d585f1dfae193aa75db1ef0425369d74d99ff3368c251be14b2c7da9ac6c90e

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 19:19

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General

Target

a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe
Size

208KB
MD5

e49d676cccce4f9d919acd2e83bc9179
SHA1

f4974f564bd5708acad457bb0a5e989e73570d16
SHA256

a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557
SHA512

5635a09b168c6d71509d0409886dc31be398bca1e5466889c087063772fc9cb81a2c5ab5940d51956a8fc91329c65244fb41747f44631ff3519790a2bc076b11
SSDEEP

3072:oXzTxwnu3z3B35LleBsX89oTuuM41MVWIxzOapb:8Bf3z3B1losXFtM41MHLp

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	1908	WerFault.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	a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1948	1908	a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe	30
PID 1908 wrote to memory of 1948	1908	a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe	30
PID 1908 wrote to memory of 1948	1908	a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe	30
PID 1908 wrote to memory of 1948	1908	a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe	30

C:\Users\Admin\AppData\Local\Temp\a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe
"C:\Users\Admin\AppData\Local\Temp\a4ecbb73af38b20242d90d0fb6a7dd82371298a6ea938987f1a2b7f429dfb557.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 136
  2⤵
  - Program crash
  PID:1948

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/1908-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

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memory/1908-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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memory/1908-3-0x0000000000400000-0x0000000002B9D000-memory.dmp

Filesize
39.6MB

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