smokeloader | c34e084c40055a1d2dae3db279fc74b363d4d3d812d62f58aa40f932f5e3aea5

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 01:59

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General

Target

a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe
Size

191KB
MD5

d58e60bac856cc3b8c4afdd87706484e
SHA1

0dbd39ad93cf0103e1d89951b0c78d962cbd9706
SHA256

a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832
SHA512

24968620fab12888de5cca2ce8bbe88bdfac5d69fb8f2a4bce9acea7939581a4a576cbfbfcad931dad760130a191ca6f4a11a014bbc3c554bc4a4a7d0d46e887
SSDEEP

3072:mDdHXq6BNVeBn77NGUrfnKtoEwFnT0lDcbr4j+iSkmsxkgaBChG:QHa6wtNjKtod0lgtkTiga

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

Processes:

WerFault.exe

pid pid_target process target process

2124 392 WerFault.exe a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe

pid	pid_target	process	target process
2124	392	WerFault.exe	a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe

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

Processes:

a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe

description	pid	process	target process
PID 392 wrote to memory of 2124	392	a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe	WerFault.exe
PID 392 wrote to memory of 2124	392	a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe	WerFault.exe
PID 392 wrote to memory of 2124	392	a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe	WerFault.exe
PID 392 wrote to memory of 2124	392	a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe
"C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 140
  2⤵
  - Program crash
  PID:2124

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/392-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/392-3-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/392-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download