smokeloader | bbeb5f94ea18e0ce8b051648ca84ef117dcc0efa2352cc5e576c293e1bf55857

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2023, 06:37

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General

Target
8ae2abb1eaca79093bc30d09dbe4fa30.exe
Size 338KB
Sample230509-hdgsjaee92
SHA256 bbeb5f94ea18e0ce8b051648ca84ef117dcc0efa2352cc5e576c293e1bf55857
MD5 8ae2abb1eaca79093bc30d09dbe4fa30
SHA1 37add15be91473d09f64c210375706e3b1d32276
SHA512 69afb18adb34ab8fdd717494f877dc23d431720c9e69378f381258c22434b036b54762e8d40bbbd9dca341ba858825b5f0cf2ba0da5bfbeec1e256d198dd0f91
SSDEEP 3072:YEYIszH+KSx7NsOinRi2xnnp+RGR7Tz+G/0LE7eGiqqCpgoNEVx4m06:/szo7COu9xpZ5Tz4QZiqnI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader sprg backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/
http://hie7doodohpae4na.com/
http://aek0aicifaloh1yo.com/
http://yic0oosaeiy7ahng.com/
http://wa5zu7sekai8xeih.com/

rc4.i32

Signatures

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

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI 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\Enum\SCSI	8ae2abb1eaca79093bc30d09dbe4fa30.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8ae2abb1eaca79093bc30d09dbe4fa30.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8ae2abb1eaca79093bc30d09dbe4fa30.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
632	8ae2abb1eaca79093bc30d09dbe4fa30.exe
632	8ae2abb1eaca79093bc30d09dbe4fa30.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
760	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
632	8ae2abb1eaca79093bc30d09dbe4fa30.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 1508	760	Process not Found	82
PID 760 wrote to memory of 1508	760	Process not Found	82
PID 760 wrote to memory of 1508	760	Process not Found	82
PID 760 wrote to memory of 1508	760	Process not Found	82
PID 760 wrote to memory of 3692	760	Process not Found	84
PID 760 wrote to memory of 3692	760	Process not Found	84
PID 760 wrote to memory of 3692	760	Process not Found	84
PID 760 wrote to memory of 4704	760	Process not Found	87
PID 760 wrote to memory of 4704	760	Process not Found	87
PID 760 wrote to memory of 4704	760	Process not Found	87
PID 760 wrote to memory of 4704	760	Process not Found	87
PID 760 wrote to memory of 1796	760	Process not Found	88
PID 760 wrote to memory of 1796	760	Process not Found	88
PID 760 wrote to memory of 1796	760	Process not Found	88
PID 760 wrote to memory of 1852	760	Process not Found	90
PID 760 wrote to memory of 1852	760	Process not Found	90
PID 760 wrote to memory of 1852	760	Process not Found	90
PID 760 wrote to memory of 1852	760	Process not Found	90
PID 760 wrote to memory of 2268	760	Process not Found	91
PID 760 wrote to memory of 2268	760	Process not Found	91
PID 760 wrote to memory of 2268	760	Process not Found	91
PID 760 wrote to memory of 2268	760	Process not Found	91
PID 760 wrote to memory of 2152	760	Process not Found	92
PID 760 wrote to memory of 2152	760	Process not Found	92
PID 760 wrote to memory of 2152	760	Process not Found	92
PID 760 wrote to memory of 2152	760	Process not Found	92
PID 760 wrote to memory of 4100	760	Process not Found	94
PID 760 wrote to memory of 4100	760	Process not Found	94
PID 760 wrote to memory of 4100	760	Process not Found	94
PID 760 wrote to memory of 1768	760	Process not Found	95
PID 760 wrote to memory of 1768	760	Process not Found	95
PID 760 wrote to memory of 1768	760	Process not Found	95
PID 760 wrote to memory of 1768	760	Process not Found	95

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\8ae2abb1eaca79093bc30d09dbe4fa30.exe
"C:\Users\Admin\AppData\Local\Temp\8ae2abb1eaca79093bc30d09dbe4fa30.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:632

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1508

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3692

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4704

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1796

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1852

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2268

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2152

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4100

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/632-136-0x0000000000400000-0x00000000006D3000-memory.dmp

Download

memory/632-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

Download

memory/760-135-0x0000000002E80000-0x0000000002E96000-memory.dmp

Download

memory/1508-146-0x0000000000EC0000-0x0000000000ECB000-memory.dmp

Download

memory/1508-147-0x00000000001F0000-0x00000000001F9000-memory.dmp

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memory/1508-148-0x0000000000EC0000-0x0000000000ECB000-memory.dmp

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memory/1768-170-0x0000000000DF0000-0x0000000000DFB000-memory.dmp

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memory/1768-169-0x0000000000DF0000-0x0000000000DFB000-memory.dmp

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memory/1768-177-0x00000000012C0000-0x00000000012CD000-memory.dmp

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memory/1796-173-0x00000000001D0000-0x00000000001D9000-memory.dmp

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memory/1796-154-0x00000000008F0000-0x00000000008FC000-memory.dmp

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memory/1796-155-0x00000000001D0000-0x00000000001D9000-memory.dmp

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memory/1796-156-0x00000000008F0000-0x00000000008FC000-memory.dmp

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memory/1852-157-0x0000000000A50000-0x0000000000A77000-memory.dmp

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memory/1852-158-0x00000000008F0000-0x00000000008FC000-memory.dmp

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memory/1852-159-0x0000000000A50000-0x0000000000A77000-memory.dmp

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memory/2152-163-0x0000000000740000-0x000000000074B000-memory.dmp

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memory/2152-165-0x0000000000740000-0x000000000074B000-memory.dmp

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memory/2152-175-0x0000000000690000-0x0000000000699000-memory.dmp

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memory/2152-164-0x0000000000690000-0x0000000000699000-memory.dmp

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memory/2268-161-0x0000000000A50000-0x0000000000A77000-memory.dmp

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memory/2268-162-0x0000000000690000-0x0000000000699000-memory.dmp

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memory/2268-160-0x0000000000690000-0x0000000000699000-memory.dmp

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memory/2268-174-0x0000000000A50000-0x0000000000A77000-memory.dmp

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memory/3692-150-0x00000000007E0000-0x00000000007EF000-memory.dmp

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memory/3692-171-0x0000000000EC0000-0x0000000000ECB000-memory.dmp

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memory/3692-149-0x00000000007E0000-0x00000000007EF000-memory.dmp

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memory/4100-167-0x0000000000740000-0x000000000074B000-memory.dmp

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memory/4100-168-0x00000000012C0000-0x00000000012CD000-memory.dmp

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memory/4100-166-0x00000000012C0000-0x00000000012CD000-memory.dmp

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memory/4100-176-0x0000000000740000-0x000000000074B000-memory.dmp

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memory/4704-172-0x00000000007E0000-0x00000000007EF000-memory.dmp

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memory/4704-153-0x00000000001D0000-0x00000000001D9000-memory.dmp

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memory/4704-152-0x00000000007E0000-0x00000000007EF000-memory.dmp

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memory/4704-151-0x00000000001D0000-0x00000000001D9000-memory.dmp

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