smokeloader | 3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1

General

Target

3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
Size

169KB
MD5

3dac04278ac8e51ca2e2541bd6999cfc
SHA1

499cf2fddfd88d8c664fa79888c8a306f7593c72
SHA256

3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1
SHA512

08676c22de3a738555d9d418ec2837f9d88b9d20e1671161b5352597672516997420dea09c290b085242debeb165c9ffe022004aab5ac720f817ca349702c652

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://proxy-exe.bit/2/

http://kiyanka.club/2/

http://d3s1.me/2/

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:

3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

description	pid	process	target process
PID 1684 set thread context of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

pid	process
932	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
932	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

description	pid	process	target process
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
PID 1684 wrote to memory of 932	1684	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe	3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe

C:\Users\Admin\AppData\Local\Temp\3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
"C:\Users\Admin\AppData\Local\Temp\3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe
"C:\Users\Admin\AppData\Local\Temp\3a2be084c6db0aae7d5a336cb3025683f5225f3fd03a30b8668e0bd73bec5af1.exe"
2⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
PID:932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/932-56-0x000000000040294E-mapping.dmp

Download
memory/932-58-0x0000000075941000-0x0000000075943000-memory.dmp

Filesize
8KB

Download
memory/932-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/932-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1224-60-0x00000000021C0000-0x00000000021D5000-memory.dmp

Filesize
84KB

Download
memory/1684-54-0x00000000002B9000-0x00000000002C3000-memory.dmp

Filesize
40KB

Download
memory/1684-57-0x00000000002AC000-0x00000000002BA000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads