smokeloader | 5a7d1bc47d4daabdf2c189167d69086128723f176f1efd67e2b92623ecf5e6a9

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-04-2024 17:59

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General

Target

76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
Size

213KB
MD5

76b26458d540c16fc524adb3e23ea35c
SHA1

779df8cfa95c12e850aae0173f1817c414babe30
SHA256

5a7d1bc47d4daabdf2c189167d69086128723f176f1efd67e2b92623ecf5e6a9
SHA512

1613bd63edc8d48464b5f06787219f0eb57c98762dec55715a857ed2c45d8b6f1dfd575176075bb53fd567399ac05691643e7643cdb29779c6a65c046153ec27
SSDEEP

3072:06m24+FcPe8sbabd19SGh1boS9D98aShyuy6inoeDSCxhsJ1Vb3E:a24+58FbRvVx98aC350U1VjE

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2020

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

3488
Executes dropped EXE 1 IoCs

Processes:

erwuhdv

pid process

2140 erwuhdv

pid	process
3488

pid	process
2140	erwuhdv

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

erwuhdv76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	erwuhdv
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	erwuhdv
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	erwuhdv

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe

pid	process
2156	76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
2156	76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
3488
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3488

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exeerwuhdv

pid process

2156 76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
2140 erwuhdv
Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3488
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

pid	process
3488

C:\Users\Admin\AppData\Local\Temp\76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\76b26458d540c16fc524adb3e23ea35c_JaffaCakes118.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2156

C:\Users\Admin\AppData\Roaming\erwuhdv
C:\Users\Admin\AppData\Roaming\erwuhdv
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2140

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\erwuhdv
Filesize
213KB

MD5
76b26458d540c16fc524adb3e23ea35c

SHA1
779df8cfa95c12e850aae0173f1817c414babe30

SHA256
5a7d1bc47d4daabdf2c189167d69086128723f176f1efd67e2b92623ecf5e6a9

SHA512
1613bd63edc8d48464b5f06787219f0eb57c98762dec55715a857ed2c45d8b6f1dfd575176075bb53fd567399ac05691643e7643cdb29779c6a65c046153ec27

Download Submit
memory/2140-14-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/2140-15-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/2140-19-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/2156-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2156-3-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/2156-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2156-5-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/3488-4-0x0000000000A00000-0x0000000000A16000-memory.dmp

Filesize
88KB

Download
memory/3488-16-0x0000000000930000-0x0000000000946000-memory.dmp

Filesize
88KB

Download