smokeloader | f945a810f425eef804add739ef693b244396e0bd436c2c84e02eeca3fe0b713f

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 17:35

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General

Target

e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe
Size

149KB
MD5

e75b4e00e7ca3213f0b2763f1adf7f33
SHA1

5977af37533fbdb7b25c62ececc97f0626566661
SHA256

f945a810f425eef804add739ef693b244396e0bd436c2c84e02eeca3fe0b713f
SHA512

6d0787851c5d69a58bbb4631d41fef0bda18905ef95b34d0cf3c9c56293f6f92e489df69085b755b09cc5f88327d81537747ecbfccbcce947e47101f9d2bd77e
SSDEEP

3072:iYrClLswbDkrc5GR2iLzgChTUBEj7pNIAdVu:i7eZowzgH0vBw

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
2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2168	2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2168	2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2168	2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2168	2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2168	2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2168	2936	e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e75b4e00e7ca3213f0b2763f1adf7f33_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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\nst959C.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/2168-7-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2168-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2168-8-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download