smokeloader | 954a8d78e97e2bb65568d4c5d692a2a9975a330eaa7fae20e4620d18ccbb5881

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08-07-2023 16:31

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General

Target

2f3f9d5bf3901c8b739563dac.exe
Size

232KB
MD5

2f3f9d5bf3901c8b739563daccf6b564
SHA1

6e5f3458712f56c6d09c8b590af31e80038d16b7
SHA256

954a8d78e97e2bb65568d4c5d692a2a9975a330eaa7fae20e4620d18ccbb5881
SHA512

b711d8e07fb99ff9dda011d49d2d5cae8a446a012d5ce17c1958bfd837405c3f87b3cf9d9eb118f13182289800b04499d8b4e456d46c47edce6bce87acacd5f6
SSDEEP

3072:3lAehY5NAN5dYLnjO0zhkOkw0Nr4wG+aTp24c+1d8o4jJFTqQU:VAgVYTthJkpk+R

Score

10^/10

smokeloader summ backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

summ

Extracted

Family

smokeloader

Version

2022

http://stalagmijesarl.com/

http://ukdantist-sarl.com/

http://cpcorprotationltd.com/

rc4.i32

Signatures

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

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

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2f3f9d5bf3901c8b739563dac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2f3f9d5bf3901c8b739563dac.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2f3f9d5bf3901c8b739563dac.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4380	2f3f9d5bf3901c8b739563dac.exe
4380	2f3f9d5bf3901c8b739563dac.exe
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3148	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
4380	2f3f9d5bf3901c8b739563dac.exe
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found
3148	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 3340	3148	Process not Found	83
PID 3148 wrote to memory of 3340	3148	Process not Found	83
PID 3148 wrote to memory of 3340	3148	Process not Found	83
PID 3148 wrote to memory of 3340	3148	Process not Found	83
PID 3148 wrote to memory of 5072	3148	Process not Found	84
PID 3148 wrote to memory of 5072	3148	Process not Found	84
PID 3148 wrote to memory of 5072	3148	Process not Found	84
PID 3148 wrote to memory of 1128	3148	Process not Found	85
PID 3148 wrote to memory of 1128	3148	Process not Found	85
PID 3148 wrote to memory of 1128	3148	Process not Found	85
PID 3148 wrote to memory of 1128	3148	Process not Found	85
PID 3148 wrote to memory of 1336	3148	Process not Found	86
PID 3148 wrote to memory of 1336	3148	Process not Found	86
PID 3148 wrote to memory of 1336	3148	Process not Found	86
PID 3148 wrote to memory of 2468	3148	Process not Found	89
PID 3148 wrote to memory of 2468	3148	Process not Found	89
PID 3148 wrote to memory of 2468	3148	Process not Found	89
PID 3148 wrote to memory of 2468	3148	Process not Found	89
PID 3148 wrote to memory of 3452	3148	Process not Found	90
PID 3148 wrote to memory of 3452	3148	Process not Found	90
PID 3148 wrote to memory of 3452	3148	Process not Found	90
PID 3148 wrote to memory of 3452	3148	Process not Found	90
PID 3148 wrote to memory of 4528	3148	Process not Found	91
PID 3148 wrote to memory of 4528	3148	Process not Found	91
PID 3148 wrote to memory of 4528	3148	Process not Found	91
PID 3148 wrote to memory of 4528	3148	Process not Found	91
PID 3148 wrote to memory of 1944	3148	Process not Found	92
PID 3148 wrote to memory of 1944	3148	Process not Found	92
PID 3148 wrote to memory of 1944	3148	Process not Found	92
PID 3148 wrote to memory of 1048	3148	Process not Found	93
PID 3148 wrote to memory of 1048	3148	Process not Found	93
PID 3148 wrote to memory of 1048	3148	Process not Found	93
PID 3148 wrote to memory of 1048	3148	Process not Found	93

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

C:\Users\Admin\AppData\Local\Temp\2f3f9d5bf3901c8b739563dac.exe
"C:\Users\Admin\AppData\Local\Temp\2f3f9d5bf3901c8b739563dac.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4380

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3340

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:5072

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1128

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1336

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2468

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3452

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4528

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1944

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1048

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

memory/1048-170-0x0000000000E00000-0x0000000000E0B000-memory.dmp

Filesize
44KB

Download
memory/1048-181-0x0000000000E10000-0x0000000000E18000-memory.dmp

Filesize
32KB

Download
memory/1048-172-0x0000000000E00000-0x0000000000E0B000-memory.dmp

Filesize
44KB

Download
memory/1048-171-0x0000000000E10000-0x0000000000E18000-memory.dmp

Filesize
32KB

Download
memory/1128-152-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download
memory/1128-153-0x00000000005C0000-0x00000000005C5000-memory.dmp

Filesize
20KB

Download
memory/1128-154-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download
memory/1128-175-0x00000000005C0000-0x00000000005C5000-memory.dmp

Filesize
20KB

Download
memory/1336-176-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/1336-155-0x0000000000CC0000-0x0000000000CCC000-memory.dmp

Filesize
48KB

Download
memory/1336-156-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/1336-157-0x0000000000CC0000-0x0000000000CCC000-memory.dmp

Filesize
48KB

Download
memory/1944-169-0x0000000000CA0000-0x0000000000CAD000-memory.dmp

Filesize
52KB

Download
memory/1944-180-0x0000000000CB0000-0x0000000000CB7000-memory.dmp

Filesize
28KB

Download
memory/1944-168-0x0000000000CB0000-0x0000000000CB7000-memory.dmp

Filesize
28KB

Download
memory/1944-167-0x0000000000CA0000-0x0000000000CAD000-memory.dmp

Filesize
52KB

Download
memory/2468-160-0x0000000000760000-0x0000000000787000-memory.dmp

Filesize
156KB

Download
memory/2468-159-0x0000000000790000-0x00000000007B2000-memory.dmp

Filesize
136KB

Download
memory/2468-158-0x0000000000760000-0x0000000000787000-memory.dmp

Filesize
156KB

Download
memory/2468-177-0x0000000000790000-0x00000000007B2000-memory.dmp

Filesize
136KB

Download
memory/3148-135-0x0000000000770000-0x0000000000786000-memory.dmp

Filesize
88KB

Download
memory/3340-148-0x00000000005B0000-0x00000000005BB000-memory.dmp

Filesize
44KB

Download
memory/3340-173-0x00000000005C0000-0x00000000005C7000-memory.dmp

Filesize
28KB

Download
memory/3340-147-0x00000000005C0000-0x00000000005C7000-memory.dmp

Filesize
28KB

Download
memory/3340-146-0x00000000005B0000-0x00000000005BB000-memory.dmp

Filesize
44KB

Download
memory/3452-161-0x0000000000D50000-0x0000000000D59000-memory.dmp

Filesize
36KB

Download
memory/3452-162-0x0000000000D60000-0x0000000000D65000-memory.dmp

Filesize
20KB

Download
memory/3452-163-0x0000000000D50000-0x0000000000D59000-memory.dmp

Filesize
36KB

Download
memory/3452-178-0x0000000000D60000-0x0000000000D65000-memory.dmp

Filesize
20KB

Download
memory/4380-136-0x0000000000400000-0x0000000001B41000-memory.dmp

Filesize
23.3MB

Download
memory/4380-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/4528-166-0x0000000000B00000-0x0000000000B0B000-memory.dmp

Filesize
44KB

Download
memory/4528-165-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/4528-164-0x0000000000B00000-0x0000000000B0B000-memory.dmp

Filesize
44KB

Download
memory/4528-179-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/5072-174-0x00000000009D0000-0x00000000009D9000-memory.dmp

Filesize
36KB

Download
memory/5072-151-0x00000000009C0000-0x00000000009CF000-memory.dmp

Filesize
60KB

Download
memory/5072-150-0x00000000009D0000-0x00000000009D9000-memory.dmp

Filesize
36KB

Download
memory/5072-149-0x00000000009C0000-0x00000000009CF000-memory.dmp

Filesize
60KB

Download