smokeloader | 650e7d8b36716d74c25d56d5dccfda619a073381d16156b1182a841ef00b6994

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 16:30

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General

Target

9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe
Size

267KB
MD5

9ac3af155a3943f98b58d46f3c01c544
SHA1

1556cfb9a0b63348332e65a706c6660aa5f2e2c3
SHA256

650e7d8b36716d74c25d56d5dccfda619a073381d16156b1182a841ef00b6994
SHA512

85b9de6173d6dc8678803a4dc0c0dfdb836cac72da010d75633175ba656fd68829a15a040db3779b03d8844a1eb2be45d85ed7b5143e93c659630f6edfda8dcd
SSDEEP

6144:XKLc+bSBHOJQFWG+jt4xab1mIl6lDmOQPTZTzEnNUhY:X+bSl28WG+jUI1/l6lDsTVE

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

Loads dropped DLL 1 IoCs

pid	Process
3032	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	3032	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	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 3048	3032	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3048	3032	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3048	3032	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3048	3032	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 132
  2⤵
  - Program crash
  PID:3048

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\CC4F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/3032-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/3032-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3032-6-0x0000000000400000-0x000000000088F000-memory.dmp

Filesize
4.6MB

Download
memory/3032-7-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/3032-8-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3032-9-0x0000000000400000-0x000000000088F000-memory.dmp

Filesize
4.6MB

Download