smokeloader | ba157977a0314511d9e5331f56c43a3b6c691f8198cec4fca4164d1e32dc1014

General

Target

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
Size

202KB
MD5

88db6b5d0b618c25d79c4bd58947f751
SHA1

cebebb5b9c4a919208e19555a5e5f0ac0c3b8c52
SHA256

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35
SHA512

93ac48110b6260cc29aa4a6d6d1d4eef41a8e03bb4217539dcb69f360cc877af0d525d394a82639c1678e419cc85ee9b60a8f81d0c725519acf2717276007fbc
SSDEEP

3072:xARO2LoVS5fgevom6PJiMrt+NqaDXF6KBQ0Q2hTZMgsNKId16zxZRU5JnD:G3LofGMT3KBk2hSfNKny5h

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

1220
Executes dropped EXE 2 IoCs

Processes:

B3D5.exeB7DB.exe

pid process

2644 B3D5.exe
3052 B7DB.exe

pid	process
1220

pid	process
2644	B3D5.exe
3052	B7DB.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe

description	pid	process	target process
PID 2232 set thread context of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.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:

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe

pid	process
2228	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
2228	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
1220
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1220
1220

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe

pid process

2228 1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1220
1220
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1220
1220

pid	process
1220
1220

pid	process
1220
1220

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe

description	pid	process	target process
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 2232 wrote to memory of 2228	2232	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe	1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 2644	1220		B3D5.exe
PID 1220 wrote to memory of 3052	1220		B7DB.exe
PID 1220 wrote to memory of 3052	1220		B7DB.exe
PID 1220 wrote to memory of 3052	1220		B7DB.exe
PID 1220 wrote to memory of 3052	1220		B7DB.exe

C:\Users\Admin\AppData\Local\Temp\1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
"C:\Users\Admin\AppData\Local\Temp\1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2232

C:\Users\Admin\AppData\Local\Temp\1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe
"C:\Users\Admin\AppData\Local\Temp\1749c2de6125b6a38e42dd557b64b2d07abec025eb50f23743394136f655cf35.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2228

C:\Users\Admin\AppData\Local\Temp\B3D5.exe
C:\Users\Admin\AppData\Local\Temp\B3D5.exe
1⤵
- Executes dropped EXE
PID:2644

C:\Users\Admin\AppData\Local\Temp\B7DB.exe
C:\Users\Admin\AppData\Local\Temp\B7DB.exe
1⤵
- Executes dropped EXE
PID:3052

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\B3D5.exe
Filesize
5.0MB

MD5
10ef283264e5050eb40f465feabeea60

SHA1
5c2b60ad7c2089db827532fed6069bdf74b505f8

SHA256
6d45d61463e3521aa6d3d31bd7e953d38c6381c0e1b526dcb28c7f2786669eb6

SHA512
c4e4080840991a829b05c76a55f6da6bffc9f618c7a1214d4d0b84e6e714d7b0e5646a99a5d92188f71801e6b7269069728f328d3a3b3fda577191372f399080

Download Submit
C:\Users\Admin\AppData\Local\Temp\B7DB.exe
Filesize
385KB

MD5
bdbfccc2b71c0d7f9de70aba81597b52

SHA1
ebb97f2a7fe51ff607a1d1b7557c995dd1cc275a

SHA256
082e8792e48e6ae0b16330f6bde833c42158ba2c9b75fad31ebc3d939f8a0042

SHA512
fba755745e82b6acd1e74e15ce9bc729a9b0e85bbb1975959c1b5d7ab1e6859efc715de87c3f4b6ef4bb21a25d9246142e96323cfc5d732ae6007b4690dcd417

Download Submit
memory/1220-8-0x0000000002A00000-0x0000000002A16000-memory.dmp

Filesize
88KB

Download
memory/2228-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2228-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2228-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2228-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2228-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2232-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2232-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/3052-27-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/3052-30-0x0000000000010000-0x0000000000076000-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