smokeloader | 3b2238a20bd84a7a4386955e9891893537632009954a29af03298641429d43ee

General

Target

2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
Size

301KB
MD5

f127ade2e89118628ebbbd9ec1cdc39d
SHA1

6b809f9841021a85db849335cb5dade1e6803b9b
SHA256

2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40
SHA512

38cf4f2b67c3daa301a5d8431b3104a278357ec44cc485f969c3b11784f070fa00be466a1e3f901edc8bb48f3e8f52c784962c082d17cf263434bfc0bb15fa11
SSDEEP

6144:R8lL2DkSZY1P0N9pWXe8/5dfTgYn79o6q:R+7SZYd1Xegn7a

Score

10^/10

smokeloader up3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

1200
Executes dropped EXE 2 IoCs

Processes:

F9BA.exeFD82.exe

pid process

2580 F9BA.exe
2684 FD82.exe

pid	process
1200

pid	process
2580	F9BA.exe
2684	FD82.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:

2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe

pid	process
1924	2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
1924	2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe

pid process

1924 2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1200
1200
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1200
1200

pid	process
1200
1200

pid	process
1200
1200

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

description	pid	target process
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2580	1200	F9BA.exe
PID 1200 wrote to memory of 2684	1200	FD82.exe
PID 1200 wrote to memory of 2684	1200	FD82.exe
PID 1200 wrote to memory of 2684	1200	FD82.exe
PID 1200 wrote to memory of 2684	1200	FD82.exe

C:\Users\Admin\AppData\Local\Temp\2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
"C:\Users\Admin\AppData\Local\Temp\2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1924

C:\Users\Admin\AppData\Local\Temp\F9BA.exe
C:\Users\Admin\AppData\Local\Temp\F9BA.exe
1⤵
- Executes dropped EXE
PID:2580

C:\Users\Admin\AppData\Local\Temp\FD82.exe
C:\Users\Admin\AppData\Local\Temp\FD82.exe
1⤵
- Executes dropped EXE
PID:2684

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\F9BA.exe
Filesize
5.0MB

MD5
10ef283264e5050eb40f465feabeea60

SHA1
5c2b60ad7c2089db827532fed6069bdf74b505f8

SHA256
6d45d61463e3521aa6d3d31bd7e953d38c6381c0e1b526dcb28c7f2786669eb6

SHA512
c4e4080840991a829b05c76a55f6da6bffc9f618c7a1214d4d0b84e6e714d7b0e5646a99a5d92188f71801e6b7269069728f328d3a3b3fda577191372f399080

Download Submit
C:\Users\Admin\AppData\Local\Temp\FD82.exe
Filesize
385KB

MD5
bdbfccc2b71c0d7f9de70aba81597b52

SHA1
ebb97f2a7fe51ff607a1d1b7557c995dd1cc275a

SHA256
082e8792e48e6ae0b16330f6bde833c42158ba2c9b75fad31ebc3d939f8a0042

SHA512
fba755745e82b6acd1e74e15ce9bc729a9b0e85bbb1975959c1b5d7ab1e6859efc715de87c3f4b6ef4bb21a25d9246142e96323cfc5d732ae6007b4690dcd417

Download Submit
memory/1200-4-0x0000000002560000-0x0000000002576000-memory.dmp

Filesize
88KB

Download
memory/1924-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/1924-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1924-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1924-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2684-22-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/2684-25-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads