smokeloader | 27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d

Analysis

max time kernel
90s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
16-05-2024 15:46

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General

Target

27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe
Size

221KB
MD5

4625fc201190913c571c1011cab48343
SHA1

c4a9f151d98667a7ae9c11dff235b7a050b03820
SHA256

27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d
SHA512

b9cb0da34bfcec2b87539c2f7cc40f1ee47babee00ee25250a0e45343925d48d6b2c54da2c930ac332803e38ef002c85d67722f5ece4dc50dce6e6bb465477f2
SSDEEP

3072:LZRBUgBkCV3gWLS+dFq6OcseIojbgudYIxpCRMnJ3/kkJdclhzenG5Vewt5CF:LiDpPfoj9YIqRMpJSlhan3w

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

1152 5108 WerFault.exe 27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe

pid	pid_target	process	target process
1152	5108	WerFault.exe	27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.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:

27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe

C:\Users\Admin\AppData\Local\Temp\27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe
"C:\Users\Admin\AppData\Local\Temp\27ead7ba5ed1bec1e362e5d468b9a3326de5427f5bf537f79cdb4766f7ec068d.exe"
1⤵
- Checks SCSI registry key(s)
PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 484
2⤵
- Program crash
PID:1152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5108 -ip 5108
1⤵
PID:1028

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/5108-2-0x00000000007B0000-0x00000000007BB000-memory.dmp

Filesize
44KB

Download
memory/5108-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

Filesize
1024KB

Download
memory/5108-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5108-4-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/5108-5-0x00000000007B0000-0x00000000007BB000-memory.dmp

Filesize
44KB

Download