smokeloader | a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8

Analysis

max time kernel
92s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20240704-en
resource tags

arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
submitted
05-07-2024 04:40

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General

Target

a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe
Size

185KB
MD5

e595c3a5fe44a3c5e0e5e4d421f02c58
SHA1

27ef1196a2496a5beb7c8644e561ac799d64ad7d
SHA256

a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8
SHA512

b3d9ff1adaf3945a30212add97ccf05b87a2e3cf64d13a6cdd7ae6a72c6994eb0463d99544b715c2a31ff184a91ecba2e6dca743d77248d91e61c443f683697f
SSDEEP

3072:woILMj3G0jnksusWp+e3WN671Hj5oRuVZdB7RUK0rfG:wo+MzGCnkAWUtw1HjKyZ70r

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3840 3460 WerFault.exe a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe

pid	pid_target	process	target process
3840	3460	WerFault.exe	a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.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:

a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe

C:\Users\Admin\AppData\Local\Temp\a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe
"C:\Users\Admin\AppData\Local\Temp\a1f0547212342f50052ca604ab0df040827a9a5b2624143ae74ad3026098cbe8.exe"
1⤵
- Checks SCSI registry key(s)
PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 488
2⤵
- Program crash
PID:3840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3460 -ip 3460
1⤵
PID:2904

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

memory/3460-1-0x0000000002AD0000-0x0000000002BD0000-memory.dmp

Filesize
1024KB

Download
memory/3460-2-0x0000000002AC0000-0x0000000002ACB000-memory.dmp

Filesize
44KB

Download
memory/3460-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3460-5-0x0000000002AC0000-0x0000000002ACB000-memory.dmp

Filesize
44KB

Download
memory/3460-4-0x0000000000400000-0x0000000002815000-memory.dmp

Filesize
36.1MB

Download