smokeloader | 2d1d65750e1cc8a400ff99d1f3bb3a060235d6f8ef8c35ff4f876215e83e44a0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 07:52

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General

Target

9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe
Size

184KB
MD5

9978c17ddf26ef27c1a7eaca4b349e26
SHA1

c21f3829d69ebd12a6171be07b84b35d5500df5b
SHA256

2d1d65750e1cc8a400ff99d1f3bb3a060235d6f8ef8c35ff4f876215e83e44a0
SHA512

1cf0f826eb4852673fb23924d216dacf00bf452e1c4b22cb96bcc3fca1201475fb6fe8366dceac9907d33ea9331ca35b3e07850e1e1bedf7cc9468d6420b3370
SSDEEP

3072:ppsDeADOT3G7hzke0NamrHbrE9c1N4YL9ACpRtb:pu6AD83GJke0NnbPgyN409ACvtb

Score

10^/10

smokeloader ku11 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

ku11

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2092	9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	2092	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	9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2540	2092	9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe	30
PID 2092 wrote to memory of 2540	2092	9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe	30
PID 2092 wrote to memory of 2540	2092	9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe	30
PID 2092 wrote to memory of 2540	2092	9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9978c17ddf26ef27c1a7eaca4b349e26_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 164
  2⤵
  - Program crash
  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

\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2092-1-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2092-2-0x00000000000E0000-0x00000000000EA000-memory.dmp

Filesize
40KB

Download
memory/2092-3-0x00000000000F0000-0x00000000000FA000-memory.dmp

Filesize
40KB

Download
memory/2092-6-0x00000000000F0000-0x00000000000FA000-memory.dmp

Filesize
40KB

Download