smokeloader | 1dfdb7447c64c608ac8100c356b2accf66cee234c704bb854c3787f08659c2aa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2024 14:11

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General

Target

241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
Size

337KB
MD5

241364ff77c341ad9720f1d9022e1b61
SHA1

f40e577a55d03f98f32c62e6d9c1278c9c892e0b
SHA256

1dfdb7447c64c608ac8100c356b2accf66cee234c704bb854c3787f08659c2aa
SHA512

cd1646036f616bb4a0d784e8cda626f587aea64ab1d3124e97a62b3f3540db5f01a7b1f5b4970d25fed82ddd4deffca6c813665b0bda3a802220ccad16b90bae
SSDEEP

6144:Y+fFVugyxKs4QkoQd7jLXmlUOtMCrHEVhqSdAni/yLUDXplr:NfCgmkoUjL4NG0EbdAniKLUDLr

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

3448
Loads dropped DLL 1 IoCs

Processes:

241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe

pid process

1980 241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1036 1980 WerFault.exe 241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe

pid	process
3448

pid	pid_target	process	target process
1036	1980	WerFault.exe	241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.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:

241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe

pid	process
1980	241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
1980	241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
3448
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3448

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe

pid process

1980 241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 3448
Token: SeCreatePagefilePrivilege 3448
Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3448
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

description	pid	process
Token: SeShutdownPrivilege	3448
Token: SeCreatePagefilePrivilege	3448

pid	process
3448

C:\Users\Admin\AppData\Local\Temp\241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\241364ff77c341ad9720f1d9022e1b61_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 392
2⤵
- Program crash
PID:1036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1980 -ip 1980
1⤵
PID:4648

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

C:\Users\Admin\AppData\Local\Temp\1105.tmp
Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1980-1-0x0000000003100000-0x0000000003200000-memory.dmp

Filesize
1024KB

Download
memory/1980-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/1980-7-0x0000000000400000-0x0000000002DAB000-memory.dmp

Filesize
41.7MB

Download
memory/1980-11-0x0000000000400000-0x0000000002DAB000-memory.dmp

Filesize
41.7MB

Download
memory/3448-8-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download