smokeloader | 0c6eaec4a2dc0d8245e7055d3b71f48bf7853b5d46e174d9a95b0496e8e5c1e7

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 07:53

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General

Target

cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe
Size

181KB
MD5

cc7176ea154662e07f5b53668970babd
SHA1

b0ff3cd329604b8e5caaea4511f1247de3132f6c
SHA256

0c6eaec4a2dc0d8245e7055d3b71f48bf7853b5d46e174d9a95b0496e8e5c1e7
SHA512

449838eb4ea24abf30ad12eca653c4c7fe1e22bb3c74d8020c94fa0679ce6a08d39771a4e368e232a33e55955fd9dfe796a397d9e6361addd6c55fc1231efd1b
SSDEEP

3072:rClsldPanpTJVaptTsCYwyke06guaP+bddjdmaPIM6rYaU:rCyldanHVcTbYNke067am4aPID

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
2432	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	2432	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	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2736	2432	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe	30
PID 2432 wrote to memory of 2736	2432	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe	30
PID 2432 wrote to memory of 2736	2432	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe	30
PID 2432 wrote to memory of 2736	2432	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 176
  2⤵
  - Program crash
  PID:2736

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/2432-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2432-2-0x0000000000270000-0x000000000027A000-memory.dmp

Filesize
40KB

Download
memory/2432-1-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/2432-6-0x0000000000270000-0x000000000027A000-memory.dmp

Filesize
40KB

Download