smokeloader | 63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329

Analysis

max time kernel
13s
max time network
21s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 17:57

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General

Target

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
Size

343KB
MD5

7f25f476b1ccf1b3757a09ea25febf7b
SHA1

e982bde4faf8e1c03b3dbefdb2d2fcb2e4263d9d
SHA256

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329
SHA512

e41a762adc208bc72f9d1a18bec2801791fed3b5c63284a8c0159556c5c80f39b123acefd109d622ec8efed8fc2f47e249f2cb8942729ec37e0a70aeaf917155
SSDEEP

6144:8W/lpF4IOZ3Ag1ikawV4krNr9DOUDYVNxZiKwfeS5x8t:8+laZ3AyjCWNBDOUDQoKw2SnC

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Loads dropped DLL 1 IoCs

Processes:

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

pid process

2088 63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2304 2088 WerFault.exe 63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

pid	process
2088	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

pid	pid_target	process	target process
2304	2088	WerFault.exe	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.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:

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

description	pid	process	target process
PID 2088 wrote to memory of 2304	2088	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe	WerFault.exe
PID 2088 wrote to memory of 2304	2088	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe	WerFault.exe
PID 2088 wrote to memory of 2304	2088	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe	WerFault.exe
PID 2088 wrote to memory of 2304	2088	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
"C:\Users\Admin\AppData\Local\Temp\63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 128
  2⤵
  - Program crash
  PID:2304

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

\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2088-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/2088-6-0x0000000000400000-0x0000000000885000-memory.dmp

Filesize
4.5MB

Download
memory/2088-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2088-7-0x0000000000400000-0x0000000000885000-memory.dmp

Filesize
4.5MB

Download
memory/2088-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download