smokeloader | 4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f

Analysis

max time kernel
121s
max time network
139s
platform
windows7_x64
resource
win7-en-20211208
submitted
28-01-2022 19:20

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General

Target

4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe
Size

32KB
MD5

4eb03f36e3a340f08442c380f853153a
SHA1

9efd42856bd596eb3246e7dc85288098e5289874
SHA256

4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f
SHA512

2eaa6e131d3680159ac79715db16f647543882b0f44a62606edbd3136292c99424936de7edf6a9ec20fd7ee80faacdee64eff080ae1b04c1c23946996fbfbf52

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

http://bulgar.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:

4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe

pid	process
1600	4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe
1600	4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe

C:\Users\Admin\AppData\Local\Temp\4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe
"C:\Users\Admin\AppData\Local\Temp\4a7a228e0870e9daed8a1ccf728d8b0e09680a222b7fe2f3328b58a51376dd4f.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
PID:1600

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

Replay Monitor

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Downloads

memory/1416-57-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/1416-58-0x0000000002670000-0x0000000002685000-memory.dmp

Filesize
84KB

Download
memory/1600-55-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1600-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download