smokeloader | b2accff6cdcb8f4b5cbf2e493a8474f9e444a12be5f46d54a925bbe4a43a0703

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 02:16

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General

Target

ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe
Size

272KB
MD5

ca0c081c7cb1a90cf570815f387f3758
SHA1

efed02676f8fcf8de406c7c80790157aba67b70b
SHA256

b2accff6cdcb8f4b5cbf2e493a8474f9e444a12be5f46d54a925bbe4a43a0703
SHA512

c2101c757705aee4659b67a7e50e07d9998e2263267b8f32bd0dec303623f888ad73ec39a339e9f21045c5865227376e74b8eab0c34da6943010c751f86937f4
SSDEEP

6144:s1JImexSLjL4vaIw1o+iayjKC7oJmPHwpL6YhCedG:Fme0HkvaIw1m5jKS46w

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2020	ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2020	WerFault.exe	30

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	ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2704	2020	ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe	31
PID 2020 wrote to memory of 2704	2020	ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe	31
PID 2020 wrote to memory of 2704	2020	ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe	31
PID 2020 wrote to memory of 2704	2020	ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca0c081c7cb1a90cf570815f387f3758_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 132
  2⤵
  - Program crash
  PID:2704

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\9419.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2020-1-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/2020-2-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2020-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2020-7-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/2020-8-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2020-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2020-9-0x0000000000400000-0x0000000000891000-memory.dmp

Filesize
4.6MB

Download