smokeloader | 92f03cb717d62d79296e0b3b0802bcb73fabb9c02f412e8a6b0d7bf69dcaf118

General

Target

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
Size

1.1MB
MD5

43c498cf3e4f835f38cec7a475bc5e2c
SHA1

a810481973afefc920845d7f937b51201a09c58b
SHA256

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60
SHA512

cc7300050dfa3613aba9e74ed6373018a1011d3f8bf5ee65e9152b13ac2e9b7f577c56490b8c58f5506dcf11e025ae3695a639e3abeec3829033f21925e644f2
SSDEEP

12288:EqMVbxllIU0til6szxaeaQlqPFXA4yKRahvbAi+a7B0nC7elWSohmL/fRzrM2u8U:EFlpmNQlULyKRahvbAiv9JzmLhzrnq7

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

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

http://zarya-amura.ru/tmp/index.php

http://akros.in.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

3376

pid	process
3376

Suspicious use of SetThreadContext 1 IoCs

Processes:

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

description	pid	process	target process
PID 4052 set thread context of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.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:

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

pid	process
900	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
900	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
3376
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3376

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

pid process

900 debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3376

pid	process
3376

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

description	pid	process	target process
PID 4052 wrote to memory of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
PID 4052 wrote to memory of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
PID 4052 wrote to memory of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
PID 4052 wrote to memory of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
PID 4052 wrote to memory of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
PID 4052 wrote to memory of 900	4052	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe	debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe

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\debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
"C:\Users\Admin\AppData\Local\Temp\debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4052

C:\Users\Admin\AppData\Local\Temp\debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe
"C:\Users\Admin\AppData\Local\Temp\debeea64857d020a5626850ad7f0b850b08dda331336e5e79004ec1d0fcc3a60.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:900

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3952 --field-trial-handle=2264,i,7010714054498059916,1862725710331979271,262144 --variations-seed-version /prefetch:8
1⤵
PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/900-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/900-1-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/900-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-2-0x0000000000AA0000-0x0000000000AB6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads