smokeloader | fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268

Resubmissions

08-04-2024 06:50

240408-hmbmwabc3w 10

08-04-2024 06:19

240408-g29b1sag4t 10

Analysis

max time kernel
300s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-04-2024 06:19

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General

Target

fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
Size

174KB
MD5

ebb07f5b1756e10ef522196011eb7112
SHA1

db1ab50a2dc587b312eab10fb3c3cb63e09a2fcd
SHA256

fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268
SHA512

3073d8460fc76094db45e8b8a8c4fc4d027f8df3dbb2dadee43d36747f9264213acefae6d57bb392a4c9793e48941927f5f2a992e766172c64a11550315c14c2
SSDEEP

3072:27Nn4WnY3VdyJDhZ0L/scFUT12klLxL1HX:2Rn4WnmVdKlmLJC99

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32

Signatures

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

Processes:

pid process

1212
Executes dropped EXE 1 IoCs

Processes:

jajjvgr

pid process

2132 jajjvgr

pid	process
1212

pid	process
2132	jajjvgr

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

jajjvgrfd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	jajjvgr
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	jajjvgr
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	jajjvgr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe

pid	process
2212	fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
2212	fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
1212
1212
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1212

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exejajjvgr

pid process

2212 fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
2132 jajjvgr
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1212
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1212
1212
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1212
1212

description	pid	process
Token: SeShutdownPrivilege	1212

pid	process
1212
1212

pid	process
1212
1212

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2932 wrote to memory of 2132	2932	taskeng.exe	jajjvgr
PID 2932 wrote to memory of 2132	2932	taskeng.exe	jajjvgr
PID 2932 wrote to memory of 2132	2932	taskeng.exe	jajjvgr
PID 2932 wrote to memory of 2132	2932	taskeng.exe	jajjvgr

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\fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe
"C:\Users\Admin\AppData\Local\Temp\fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2212

C:\Windows\system32\taskeng.exe
taskeng.exe {0E962289-C828-4C2F-B4EB-486F6CAF63E5} S-1-5-21-778096762-2241304387-192235952-1000:AYFLYVMK\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2932

C:\Users\Admin\AppData\Roaming\jajjvgr
C:\Users\Admin\AppData\Roaming\jajjvgr
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2132

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\Roaming\jajjvgr
Filesize
174KB

MD5
ebb07f5b1756e10ef522196011eb7112

SHA1
db1ab50a2dc587b312eab10fb3c3cb63e09a2fcd

SHA256
fd07478ef2871f892929c222f3c7ba35aacd6b0b296d2da604fa718c20d68268

SHA512
3073d8460fc76094db45e8b8a8c4fc4d027f8df3dbb2dadee43d36747f9264213acefae6d57bb392a4c9793e48941927f5f2a992e766172c64a11550315c14c2

Download Submit
memory/1212-4-0x0000000002B10000-0x0000000002B26000-memory.dmp

Filesize
88KB

Download
memory/1212-17-0x00000000029E0000-0x00000000029F6000-memory.dmp

Filesize
88KB

Download
memory/2132-15-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

Filesize
1024KB

Download
memory/2132-16-0x0000000000400000-0x0000000002B55000-memory.dmp

Filesize
39.3MB

Download
memory/2132-20-0x0000000000400000-0x0000000002B55000-memory.dmp

Filesize
39.3MB

Download
memory/2212-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/2212-2-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/2212-3-0x0000000000400000-0x0000000002B55000-memory.dmp

Filesize
39.3MB

Download
memory/2212-5-0x0000000000400000-0x0000000002B55000-memory.dmp

Filesize
39.3MB

Download
memory/2212-8-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download