smokeloader | be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40

Analysis

max time kernel
92s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 19:42

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General

Target

be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe
Size

237KB
MD5

506602065b2073f876c0c595d214bece
SHA1

b84ff8823063c95fa9dcd90bc60b6a041b148969
SHA256

be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40
SHA512

13a47c2cea027526687713071fea2edacc7112824486027bd80869dce9ba405cceb193d29487f4307adbaa662a65eb1dc3518f2843439b1426dbd09488a4cee0
SSDEEP

3072:BW0zbZ2IFM/eALfl01w43bBpn/V1aflvhp4QAroRPnUQlBopL3TBtZ:BdbAIFM/eALfld49RKvsQdRMqBADT

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

2228 336 WerFault.exe be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe

pid	pid_target	process	target process
2228	336	WerFault.exe	be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.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:

be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe

C:\Users\Admin\AppData\Local\Temp\be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe
"C:\Users\Admin\AppData\Local\Temp\be9786ac981f638ab015c1b8e5bac206018d7c06e7a8f9fea3e07e41cc877e40.exe"
1⤵
- Checks SCSI registry key(s)
PID:336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 336 -s 488
2⤵
- Program crash
PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 336 -ip 336
1⤵
PID:1128

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

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Downloads

memory/336-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/336-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/336-2-0x0000000002D90000-0x0000000002D9B000-memory.dmp

Filesize
44KB

Download
memory/336-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/336-4-0x0000000000400000-0x0000000002BF4000-memory.dmp

Filesize
40.0MB

Download