smokeloader | 9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9

Analysis

max time kernel
300s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 23:08

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General

Target

9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
Size

310KB
MD5

4141910717b182a0cbe6e32c527e325f
SHA1

f247bc2dc5c671c74aef338be6f848bbf54e0d44
SHA256

9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9
SHA512

ae39c610cfe0a548627a7817cef6d87945f03fc559b3fd52a8f843e0499c8d04536880aabb7da90bfbeca6731a69a0763fa989b9f7f18237534798488f5dec2c
SSDEEP

3072:bB2ggCALXBkKgZc5TO4wePyVlv9vZbcx+dxg5bUkBaXa60P:bQgg7LxkKcM/3PyVl9hbndxCUkBs

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

http://movlat.com/tmp/

http://llcbc.org/tmp/

http://lindex24.ru/tmp/

http://qeqei.xyz/tmp/

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:

tcgejua

pid process

2248 tcgejua

pid	process
1196

pid	process
2248	tcgejua

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:

9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exetcgejua

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tcgejua
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tcgejua
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tcgejua

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe

pid	process
2760	9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
2760	9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
1196
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1196

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exetcgejua

pid process

2760 9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
2248 tcgejua
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1196

description	pid	process
Token: SeShutdownPrivilege	1196

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2268 wrote to memory of 2248	2268	taskeng.exe	tcgejua
PID 2268 wrote to memory of 2248	2268	taskeng.exe	tcgejua
PID 2268 wrote to memory of 2248	2268	taskeng.exe	tcgejua
PID 2268 wrote to memory of 2248	2268	taskeng.exe	tcgejua

C:\Users\Admin\AppData\Local\Temp\9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe
"C:\Users\Admin\AppData\Local\Temp\9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2760

C:\Windows\system32\taskeng.exe
taskeng.exe {4A8AF64D-F4D5-4280-B493-ACBE5A957DE5} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2268

C:\Users\Admin\AppData\Roaming\tcgejua
C:\Users\Admin\AppData\Roaming\tcgejua
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2248

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\tcgejua
Filesize
310KB

MD5
4141910717b182a0cbe6e32c527e325f

SHA1
f247bc2dc5c671c74aef338be6f848bbf54e0d44

SHA256
9af00dbe2aecfe5f8cd76a466ee05b9a2d8ec64bc4000d79e21a3a315bcc03c9

SHA512
ae39c610cfe0a548627a7817cef6d87945f03fc559b3fd52a8f843e0499c8d04536880aabb7da90bfbeca6731a69a0763fa989b9f7f18237534798488f5dec2c

Download Submit
memory/1196-3-0x0000000002E10000-0x0000000002E26000-memory.dmp

Filesize
88KB

Download
memory/1196-14-0x0000000002E30000-0x0000000002E46000-memory.dmp

Filesize
88KB

Download
memory/2248-13-0x0000000000400000-0x000000000273B000-memory.dmp

Filesize
35.2MB

Download
memory/2248-15-0x0000000000400000-0x000000000273B000-memory.dmp

Filesize
35.2MB

Download
memory/2760-1-0x0000000000400000-0x000000000273B000-memory.dmp

Filesize
35.2MB

Download
memory/2760-2-0x0000000000400000-0x000000000273B000-memory.dmp

Filesize
35.2MB

Download
memory/2760-4-0x0000000000400000-0x000000000273B000-memory.dmp

Filesize
35.2MB

Download