smokeloader | 1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07-06-2022 19:06

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General

Target

1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe
Size

678KB
MD5

5ae024bcec36515fe1675ada2937e973
SHA1

c8e832af2e8a1dd61a4e8d0dbb51a639f8967bd6
SHA256

1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb
SHA512

02a7e62d5aaa699414248651b2f17fad6d3b672ccde2d5358e285ac7a282a231cb8113bdf88a66ec6e85fec267e636ee6425e517c774abd4cf99aa052386bdf6

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

http://anotherblock.bit/

http://elepsices.bit/

rc4.i32

Signatures

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

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

pid process

3896 1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

pid	process
3896	1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe
3896	1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe

C:\Users\Admin\AppData\Local\Temp\1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe
"C:\Users\Admin\AppData\Local\Temp\1b51cfbc5d317f8391c06d9b12f1bae49933a4d2ed2bf02e2bbe50adebfefbdb.exe"
1⤵
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
PID:3896

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/888-133-0x0000000000EA0000-0x0000000000EB5000-memory.dmp

Filesize
84KB

Download
memory/3896-130-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3896-131-0x00000000007F0000-0x0000000000806000-memory.dmp

Filesize
88KB

Download
memory/3896-132-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download