smokeloader | f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e

General

Target

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
Size

317KB
MD5

f4bee27d69a366085fd0b18f899c5329
SHA1

e057d348efe428e71681c60df844286a412637da
SHA256

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e
SHA512

fdad3423a3cebca862d9d0cc1b302d122133d6a734cae564ddb02ebe911c7aab75e858d8529d5be9f468aa4056d8fadeef3b96ea1a5d48cf04ed6889a6574f88

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 2 IoCs

Processes:

fchsubhfchsubh

pid process

1404 fchsubh
1268 fchsubh
Deletes itself 1 IoCs

Processes:

pid process

3040

pid	process
1404	fchsubh
1268	fchsubh

pid	process
3040

Suspicious use of SetThreadContext 2 IoCs

Processes:

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exefchsubh

description	pid	process	target process
PID 2772 set thread context of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 1404 set thread context of 1268	1404	fchsubh	fchsubh

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exefchsubh

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fchsubh
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fchsubh
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fchsubh

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe

pid	process
1524	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
1524	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
3040
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3040

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3040
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exefchsubh

pid process

1524 f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
1268 fchsubh
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 3040
Token: SeCreatePagefilePrivilege 3040

pid	process
3040

description	pid	process
Token: SeShutdownPrivilege	3040
Token: SeCreatePagefilePrivilege	3040

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exefchsubh

description	pid	process	target process
PID 2772 wrote to memory of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 2772 wrote to memory of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 2772 wrote to memory of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 2772 wrote to memory of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 2772 wrote to memory of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 2772 wrote to memory of 1524	2772	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe	f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
PID 1404 wrote to memory of 1268	1404	fchsubh	fchsubh
PID 1404 wrote to memory of 1268	1404	fchsubh	fchsubh
PID 1404 wrote to memory of 1268	1404	fchsubh	fchsubh
PID 1404 wrote to memory of 1268	1404	fchsubh	fchsubh
PID 1404 wrote to memory of 1268	1404	fchsubh	fchsubh
PID 1404 wrote to memory of 1268	1404	fchsubh	fchsubh

C:\Users\Admin\AppData\Local\Temp\f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
"C:\Users\Admin\AppData\Local\Temp\f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2772

C:\Users\Admin\AppData\Local\Temp\f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe
"C:\Users\Admin\AppData\Local\Temp\f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1524

C:\Users\Admin\AppData\Roaming\fchsubh
C:\Users\Admin\AppData\Roaming\fchsubh
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Roaming\fchsubh
C:\Users\Admin\AppData\Roaming\fchsubh
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\fchsubh
MD5
f4bee27d69a366085fd0b18f899c5329

SHA1
e057d348efe428e71681c60df844286a412637da

SHA256
f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e

SHA512
fdad3423a3cebca862d9d0cc1b302d122133d6a734cae564ddb02ebe911c7aab75e858d8529d5be9f468aa4056d8fadeef3b96ea1a5d48cf04ed6889a6574f88

Download Submit
C:\Users\Admin\AppData\Roaming\fchsubh
MD5
f4bee27d69a366085fd0b18f899c5329

SHA1
e057d348efe428e71681c60df844286a412637da

SHA256
f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e

SHA512
fdad3423a3cebca862d9d0cc1b302d122133d6a734cae564ddb02ebe911c7aab75e858d8529d5be9f468aa4056d8fadeef3b96ea1a5d48cf04ed6889a6574f88

Download Submit
C:\Users\Admin\AppData\Roaming\fchsubh
MD5
f4bee27d69a366085fd0b18f899c5329

SHA1
e057d348efe428e71681c60df844286a412637da

SHA256
f8e28e363d9875bcdfbf169c4c924a69e3cc5c7b0f508106b42082a967ed221e

SHA512
fdad3423a3cebca862d9d0cc1b302d122133d6a734cae564ddb02ebe911c7aab75e858d8529d5be9f468aa4056d8fadeef3b96ea1a5d48cf04ed6889a6574f88

Download Submit
memory/1268-128-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1404-127-0x0000000000030000-0x0000000000038000-memory.dmp

Filesize
32KB

Download
memory/1524-120-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1524-121-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2772-118-0x0000000000030000-0x0000000000038000-memory.dmp

Filesize
32KB

Download
memory/2772-119-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/3040-122-0x00000000005C0000-0x00000000005D6000-memory.dmp

Filesize
88KB

Download
memory/3040-129-0x0000000000720000-0x0000000000736000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads