smokeloader | 301c51f5c052afa1a5cc5c2081f912644ee80c3b2da7e39fda3765a3d650e89f

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 05:53

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General

Target

cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe
Size

138KB
MD5

cc52286fbd9c0dabeda1b1f2b4a7b40c
SHA1

398122a2a4ec55ea5cb0c91f079539902fb1e69d
SHA256

301c51f5c052afa1a5cc5c2081f912644ee80c3b2da7e39fda3765a3d650e89f
SHA512

4e6c5ff5c1b249990515c95ef66efbc6f5f1bd1e1e2e03ada047453f1458e9e0b87b3e052d034a78519c8d828840d9b0f1b0ed93dce0a1e9c0b3d6611113ebd8
SSDEEP

1536:tms4IzbOnzgP23xcC9S3+5t51U4u+XEzvMk6yRXZD8AFvCXe9ujlwhXw90+xsLW:t5rSn0uN9Fjl/Ez6yBFvpYl2F+xsLW

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
2932	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	2932	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	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2832	2932	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2832	2932	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2832	2932	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2832	2932	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 176
  2⤵
  - Program crash
  PID:2832

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

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

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2932-0-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2932-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/2932-1-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2932-6-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download