smokeloader | c343d983164eed9615694c3cca990acd7c82c908f04b61005eaeffc0080bf11a

General

Target

a18b856289855086c6208db3507c3351_JaffaCakes118.exe
Size

316KB
MD5

a18b856289855086c6208db3507c3351
SHA1

44f46bd5f2507d2c62f66b72f8e224d37ecf7b18
SHA256

c343d983164eed9615694c3cca990acd7c82c908f04b61005eaeffc0080bf11a
SHA512

877c6f4506653cc471a2e7af4245f81367ea7e4b99106ced3daa3817d982039d5d1387bad9990933ae41e292aec15a988b4183e82cdc66ce96d83a502ee80f1f
SSDEEP

6144:jEzOzivF/3w2M0GqCA0y5481BsmqlM1kKd:Q7ZoJA0y54wsmql+

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2020

C2

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

1196
Executes dropped EXE 1 IoCs

Processes:

ahbuiri

pid process

356 ahbuiri

pid	process
1196

pid	process
356	ahbuiri

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:

a18b856289855086c6208db3507c3351_JaffaCakes118.exeahbuiri

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a18b856289855086c6208db3507c3351_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a18b856289855086c6208db3507c3351_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a18b856289855086c6208db3507c3351_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ahbuiri
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ahbuiri
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ahbuiri

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a18b856289855086c6208db3507c3351_JaffaCakes118.exe

pid	process
2060	a18b856289855086c6208db3507c3351_JaffaCakes118.exe
2060	a18b856289855086c6208db3507c3351_JaffaCakes118.exe
1196
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1196
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1196
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1196
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1196
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1196

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

a18b856289855086c6208db3507c3351_JaffaCakes118.exeahbuiri

pid process

2060 a18b856289855086c6208db3507c3351_JaffaCakes118.exe
356 ahbuiri
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1196
1196
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1196
1196

pid	process
1196
1196

pid	process
1196
1196

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2696 wrote to memory of 356	2696	taskeng.exe	ahbuiri
PID 2696 wrote to memory of 356	2696	taskeng.exe	ahbuiri
PID 2696 wrote to memory of 356	2696	taskeng.exe	ahbuiri
PID 2696 wrote to memory of 356	2696	taskeng.exe	ahbuiri

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

C:\Users\Admin\AppData\Local\Temp\a18b856289855086c6208db3507c3351_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a18b856289855086c6208db3507c3351_JaffaCakes118.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2060

C:\Windows\system32\taskeng.exe
taskeng.exe {783B26D8-4F56-4C94-8B1E-9CC309182782} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2696

C:\Users\Admin\AppData\Roaming\ahbuiri
C:\Users\Admin\AppData\Roaming\ahbuiri
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ahbuiri
Filesize
316KB

MD5
a18b856289855086c6208db3507c3351

SHA1
44f46bd5f2507d2c62f66b72f8e224d37ecf7b18

SHA256
c343d983164eed9615694c3cca990acd7c82c908f04b61005eaeffc0080bf11a

SHA512
877c6f4506653cc471a2e7af4245f81367ea7e4b99106ced3daa3817d982039d5d1387bad9990933ae41e292aec15a988b4183e82cdc66ce96d83a502ee80f1f

Download Submit
memory/356-14-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/356-15-0x0000000000400000-0x0000000002DA7000-memory.dmp

Filesize
41.7MB

Download
memory/356-19-0x0000000000400000-0x0000000002DA7000-memory.dmp

Filesize
41.7MB

Download
memory/1196-4-0x0000000003E10000-0x0000000003E26000-memory.dmp

Filesize
88KB

Download
memory/1196-16-0x0000000003E40000-0x0000000003E56000-memory.dmp

Filesize
88KB

Download
memory/2060-1-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download
memory/2060-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2060-3-0x0000000000400000-0x0000000002DA7000-memory.dmp

Filesize
41.7MB

Download
memory/2060-5-0x0000000000400000-0x0000000002DA7000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads