smokeloader | 5e226d8262fc6a306a8623ff2317e80de04307b5a5893f24200377dfacb41830

Analysis

max time kernel
132s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 18:18

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General

Target

8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe
Size

254KB
MD5

6c76dfb25714e5941d70f7a275e75e5d
SHA1

5ed48c3c57d1abeece0b35d7bb85a6bf71ab385b
SHA256

8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a
SHA512

2aff7b21be560dcfeeafc9f7ed1ab0a1e10ebc2a0363a656e880d05e0c7f20030a8d44926ad72f395632ecd8bf441fe71538c81e7520d73bacf85017ab0f0d97
SSDEEP

3072:gHvq+7xq+eNvu2U1GA0B+t+ieyOR/VCY0rJ25o3BcJTcVVeosbVFlb9eAg0FujDL:gTD2Lr/V90d2WxjV/hAOIKVg/oPGCV

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe

description	pid	process	target process
PID 2628 set thread context of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1344 2628 WerFault.exe 8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe

pid	pid_target	process	target process
1344	2628	WerFault.exe	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe

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

Processes:

AppLaunch.exe

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

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe

description	pid	process	target process
PID 2628 wrote to memory of 3612	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3612	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3612	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe
PID 2628 wrote to memory of 3184	2628	8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe
"C:\Users\Admin\AppData\Local\Temp\8cae2c42df2dcc0b08b46e91d7ffbdd38e6e53724f0873f0cc05747f396b759a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
PID:3612

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- Checks SCSI registry key(s)
PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 272
2⤵
- Program crash
PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2628 -ip 2628
1⤵
PID:2604

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3184-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3184-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download