smokeloader | 38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761

Analysis

max time kernel
134s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 01:52

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General

Target

38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe
Size

145KB
MD5

4571eda91c46cf1ad02b71f26f9db859
SHA1

f429f9d6526fa4ef73f94e7f29620b7263bd2f3d
SHA256

38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761
SHA512

a2cf0e1facb63ebe5c274d321429662af6a0ad331240618d38c31142dcb8727e53abb8b86ee0b39c602e011690e6d502d5e0c0ff7f09db84d3b2517cc959b003
SSDEEP

3072:wmNA1oyitAn3xdrEENK6Ivhe2TfOr8n9TrUv6tK2:61oAn3/hjIvhj7zwvc1

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84
PID 740 wrote to memory of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84
PID 740 wrote to memory of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84
PID 740 wrote to memory of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84
PID 740 wrote to memory of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84
PID 740 wrote to memory of 1032	740	38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe	84

C:\Users\Admin\AppData\Local\Temp\38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe
"C:\Users\Admin\AppData\Local\Temp\38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe
  "C:\Users\Admin\AppData\Local\Temp\38445f9d00d02700842fed4b3290f693c648f191681daa918a5d305fd35bb761.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/740-0-0x0000000002180000-0x0000000002188000-memory.dmp

Filesize
32KB

Download
memory/740-1-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/740-4-0x0000000002180000-0x0000000002188000-memory.dmp

Filesize
32KB

Download
memory/1032-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1032-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1032-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download