smokeloader | 1397af025217d33a3af3debc6d6fe621ca0d9f2e6797abde411f58e752f054b6

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16/05/2023, 18:00

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General

Target

0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
Size

313KB
MD5

4db73a32cecfa765907e892b7aea8345
SHA1

c420d45d39f21d01bfc71eafd0750fe3cc256a63
SHA256

0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4
SHA512

0007ffba3eb76a2240da84b5b8138d939dd512a6ffb59f83dfce730c5dcf06635b408c5b20bfbd99d254530e0f8bd5deb6f60b4ef49e1b5b6f558e2d3f9fd9a1
SSDEEP

3072:iAXPGgaSaDNJOanCLg3Tcjke0m4gyRAY0+qryYIu+PKPSvNO644vKSgI5gPc3Pgc:3+Sa5MfLgjcwTYyRAYBqryXq4SZOc

Score

10^/10

smokeloader sprg backdoor discovery spyware stealer trojan vmprotect

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
496	F23.exe

Loads dropped DLL 3 IoCs

pid	Process
496	F23.exe
496	F23.exe
496	F23.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x00050000000162b1-147.dat	vmprotect
behavioral2/memory/496-155-0x0000000000400000-0x0000000000B54000-memory.dmp	vmprotect

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2676	0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
2676	0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3160	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
2676	0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found
3160	Process not Found

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3160	Process not Found
Token: SeCreatePagefilePrivilege	3160	Process not Found

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 496	3160	Process not Found	93
PID 3160 wrote to memory of 496	3160	Process not Found	93
PID 3160 wrote to memory of 496	3160	Process not Found	93
PID 3160 wrote to memory of 1564	3160	Process not Found	94
PID 3160 wrote to memory of 1564	3160	Process not Found	94
PID 3160 wrote to memory of 1564	3160	Process not Found	94
PID 3160 wrote to memory of 1564	3160	Process not Found	94
PID 3160 wrote to memory of 840	3160	Process not Found	95
PID 3160 wrote to memory of 840	3160	Process not Found	95
PID 3160 wrote to memory of 840	3160	Process not Found	95
PID 3160 wrote to memory of 1904	3160	Process not Found	96
PID 3160 wrote to memory of 1904	3160	Process not Found	96
PID 3160 wrote to memory of 1904	3160	Process not Found	96
PID 3160 wrote to memory of 1904	3160	Process not Found	96
PID 3160 wrote to memory of 644	3160	Process not Found	97
PID 3160 wrote to memory of 644	3160	Process not Found	97
PID 3160 wrote to memory of 644	3160	Process not Found	97
PID 3160 wrote to memory of 432	3160	Process not Found	98
PID 3160 wrote to memory of 432	3160	Process not Found	98
PID 3160 wrote to memory of 432	3160	Process not Found	98
PID 3160 wrote to memory of 432	3160	Process not Found	98
PID 3160 wrote to memory of 552	3160	Process not Found	99
PID 3160 wrote to memory of 552	3160	Process not Found	99
PID 3160 wrote to memory of 552	3160	Process not Found	99
PID 3160 wrote to memory of 552	3160	Process not Found	99
PID 3160 wrote to memory of 3644	3160	Process not Found	100
PID 3160 wrote to memory of 3644	3160	Process not Found	100
PID 3160 wrote to memory of 3644	3160	Process not Found	100
PID 3160 wrote to memory of 3644	3160	Process not Found	100
PID 3160 wrote to memory of 4616	3160	Process not Found	101
PID 3160 wrote to memory of 4616	3160	Process not Found	101
PID 3160 wrote to memory of 4616	3160	Process not Found	101
PID 3160 wrote to memory of 3584	3160	Process not Found	102
PID 3160 wrote to memory of 3584	3160	Process not Found	102
PID 3160 wrote to memory of 3584	3160	Process not Found	102
PID 3160 wrote to memory of 3584	3160	Process not Found	102

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\0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe
"C:\Users\Admin\AppData\Local\Temp\0b1780772e521630e77a1f6b32201bed228a9c97134c9f462d5ac8d6b08ccae4.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2676

C:\Users\Admin\AppData\Local\Temp\F23.exe
C:\Users\Admin\AppData\Local\Temp\F23.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:496

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1564

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:840

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1904

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:644

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:432

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:552

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3644

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4616

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\mozglue.dll

Filesize
612KB

MD5
f07d9977430e762b563eaadc2b94bbfa

SHA1
da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

SHA256
4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

SHA512
6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

Download Submit
C:\Users\Admin\AppData\LocalLow\nss3.dll

Filesize
1.9MB

MD5
f67d08e8c02574cbc2f1122c53bfb976

SHA1
6522992957e7e4d074947cad63189f308a80fcf2

SHA256
c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

SHA512
2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

Download Submit
C:\Users\Admin\AppData\LocalLow\sqlite3.dll

Filesize
1.0MB

MD5
dbf4f8dcefb8056dc6bae4b67ff810ce

SHA1
bbac1dd8a07c6069415c04b62747d794736d0689

SHA256
47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

SHA512
b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\F23.exe

Filesize
4.5MB

MD5
019cba45c206e0f3606dfb4382d054b1

SHA1
78b1f1139ef9784b7736a54958c57adf7758bcf3

SHA256
5acc5d15323119465e4a0aa18ee7620b7a84428d708211e77b109c516324754f

SHA512
789be0deee9ba04903ca7a30dd2ae70d060a2e3240fd9d96262dc62c31613206dc16048ed6628919ad67f9edb173ee3d339798cf07a3a4829dbec46c69760991

Download Submit
memory/432-210-0x0000000001050000-0x0000000001077000-memory.dmp

Filesize
156KB

Download
memory/432-226-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/432-211-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/432-212-0x0000000001050000-0x0000000001077000-memory.dmp

Filesize
156KB

Download
memory/496-149-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/496-153-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/496-155-0x0000000000400000-0x0000000000B54000-memory.dmp

Filesize
7.3MB

Download
memory/496-154-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/496-152-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/496-224-0x0000000061E00000-0x0000000061EF1000-memory.dmp

Filesize
964KB

Download
memory/496-151-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/496-150-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/552-213-0x0000000001210000-0x0000000001219000-memory.dmp

Filesize
36KB

Download
memory/552-214-0x0000000001050000-0x0000000001077000-memory.dmp

Filesize
156KB

Download
memory/552-215-0x0000000001210000-0x0000000001219000-memory.dmp

Filesize
36KB

Download
memory/552-227-0x0000000001050000-0x0000000001077000-memory.dmp

Filesize
156KB

Download
memory/644-197-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/644-200-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/644-225-0x0000000000C70000-0x0000000000C79000-memory.dmp

Filesize
36KB

Download
memory/840-163-0x0000000000540000-0x000000000054F000-memory.dmp

Filesize
60KB

Download
memory/840-162-0x0000000000C20000-0x0000000000C2B000-memory.dmp

Filesize
44KB

Download
memory/840-159-0x0000000000540000-0x000000000054F000-memory.dmp

Filesize
60KB

Download
memory/1564-158-0x0000000000C20000-0x0000000000C2B000-memory.dmp

Filesize
44KB

Download
memory/1564-161-0x0000000000C20000-0x0000000000C2B000-memory.dmp

Filesize
44KB

Download
memory/1564-160-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/1904-170-0x0000000000540000-0x000000000054F000-memory.dmp

Filesize
60KB

Download
memory/1904-167-0x0000000000C70000-0x0000000000C79000-memory.dmp

Filesize
36KB

Download
memory/1904-171-0x0000000000C70000-0x0000000000C79000-memory.dmp

Filesize
36KB

Download
memory/2676-136-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2676-134-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/3160-135-0x0000000001250000-0x0000000001266000-memory.dmp

Filesize
88KB

Download
memory/3584-223-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/3584-253-0x0000000000F80000-0x0000000000F8D000-memory.dmp

Filesize
52KB

Download
memory/3584-222-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/3644-216-0x00000000012E0000-0x00000000012EB000-memory.dmp

Filesize
44KB

Download
memory/3644-218-0x00000000012E0000-0x00000000012EB000-memory.dmp

Filesize
44KB

Download
memory/3644-217-0x0000000001210000-0x0000000001219000-memory.dmp

Filesize
36KB

Download
memory/4616-221-0x0000000000F80000-0x0000000000F8D000-memory.dmp

Filesize
52KB

Download
memory/4616-220-0x00000000012E0000-0x00000000012EB000-memory.dmp

Filesize
44KB

Download
memory/4616-219-0x0000000000F80000-0x0000000000F8D000-memory.dmp

Filesize
52KB

Download
memory/4616-228-0x00000000012E0000-0x00000000012EB000-memory.dmp

Filesize
44KB

Download