smokeloader | cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3

Analysis

max time kernel
151s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2023 02:10

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General

Target

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
Size

330KB
MD5

6e79eebefe0bfae39c06ce88ff06958d
SHA1

120c4bbd53ddceb8308e847cb4983738af295c96
SHA256

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3
SHA512

c1771c5d5497936614e971380a0de92a1fecd2df2b227168ce942e3e541aa26a3ec26a2ce0bfee58c89e55c50aefb743b4f9189a95856028fa18a1370c40d2c2
SSDEEP

3072:32vlMNE1iLueiV8MIsPuUuNjI7xd7Xp8OQXJr8wjC1+2DsYRVwtMESH:mvEE1iLliVFPC5I7rXpPIzC1rNESH

Score

10^/10

smokeloader lab backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

description	pid	process	target process
PID 820 set thread context of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.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:

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

pid	process
3600	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
3600	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3080
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

pid process

3600 cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

pid	process
3080

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe

description	pid	process	target process
PID 820 wrote to memory of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
PID 820 wrote to memory of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
PID 820 wrote to memory of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
PID 820 wrote to memory of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
PID 820 wrote to memory of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
PID 820 wrote to memory of 3600	820	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe	cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.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\cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
"C:\Users\Admin\AppData\Local\Temp\cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:820

C:\Users\Admin\AppData\Local\Temp\cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe
"C:\Users\Admin\AppData\Local\Temp\cc621323e57e22e483517f633fb4f9248220a0cd8a69cd0674ade45ffcdd6ce3.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3600

Network

MITRE ATT&CK Matrix ATT&CK v6

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

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Downloads

memory/820-135-0x0000000004700000-0x0000000004709000-memory.dmp

Filesize
36KB

Download
memory/3080-137-0x0000000000B00000-0x0000000000B16000-memory.dmp

Filesize
88KB

Download
memory/3600-134-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3600-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3600-138-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download