smokeloader | 45bc305fc7049756031bd94b7755f01c0913ea0944d8757e3f0742243182ede9

Analysis

max time kernel
141s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 03:23

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General

Target

e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe
Size

239KB
MD5

e83b3678291bb4c2495bb6ab08d6fb21
SHA1

9486eb8ccf985c0cd1e6427c367b9756ea768d64
SHA256

45bc305fc7049756031bd94b7755f01c0913ea0944d8757e3f0742243182ede9
SHA512

fd223830cb649f7e38ff5b49a072bd99bb1667110bf22abe9b09c6d24183244890911883197f1011550a4a0634f1191a5a3d9184c17b1684c35b78a1cca1e361
SSDEEP

6144:ulXriKQSaf2t4Jua7Md0ZFmmPQ9qTnoZrF45K/P6:mriH3ut4Jua7McmKzTnoZZ4aP

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
2140	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	2140	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	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2828	2140	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2828	2140	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2828	2140	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2828	2140	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 132
  2⤵
  - Program crash
  PID:2828

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\CC4F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2140-1-0x0000000005180000-0x0000000005280000-memory.dmp

Filesize
1024KB

Download
memory/2140-2-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2140-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2140-7-0x0000000005180000-0x0000000005280000-memory.dmp

Filesize
1024KB

Download
memory/2140-8-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2140-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2140-9-0x0000000000400000-0x0000000005084000-memory.dmp

Filesize
76.5MB

Download