smokeloader | fff0fecf9639148a95a39b9763361c1f3ceb2d4a54bce118b1c357504db6b9d8

Analysis

max time kernel
105s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 09:18

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General

Target

5d99042376131355be8579bd56100a82.exe
Size

927KB
MD5

5d99042376131355be8579bd56100a82
SHA1

7cab6bbd33fbb030fc78b81466a387a1921d8dad
SHA256

fff0fecf9639148a95a39b9763361c1f3ceb2d4a54bce118b1c357504db6b9d8
SHA512

a168a70e6ff710b822d302579d8226901b637fdb1938b4a4846d8010572b2349abc3664aafff21366f3f6fa7957455ca5fa95a418ca674ca8442d6705d45acc7
SSDEEP

24576:ukflyeoU8Ltpl+RE8FUvvw8j1mDdoBNYbRbsJ:ffcU8LARE8FUv5mDqY9b

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

Processes:

5d99042376131355be8579bd56100a82.exe

description	pid	Process	procid_target
PID 620 set thread context of 4744	620	5d99042376131355be8579bd56100a82.exe	91

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

Processes:

5d99042376131355be8579bd56100a82.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d99042376131355be8579bd56100a82.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:

AddInProcess32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AddInProcess32.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AddInProcess32.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

5d99042376131355be8579bd56100a82.exe

pid	Process
620	5d99042376131355be8579bd56100a82.exe
620	5d99042376131355be8579bd56100a82.exe
620	5d99042376131355be8579bd56100a82.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

5d99042376131355be8579bd56100a82.exe

description	pid	Process
Token: SeDebugPrivilege	620	5d99042376131355be8579bd56100a82.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5d99042376131355be8579bd56100a82.exe

description	pid	Process	procid_target
PID 620 wrote to memory of 4744	620	5d99042376131355be8579bd56100a82.exe	91
PID 620 wrote to memory of 4744	620	5d99042376131355be8579bd56100a82.exe	91
PID 620 wrote to memory of 4744	620	5d99042376131355be8579bd56100a82.exe	91
PID 620 wrote to memory of 4744	620	5d99042376131355be8579bd56100a82.exe	91
PID 620 wrote to memory of 4744	620	5d99042376131355be8579bd56100a82.exe	91
PID 620 wrote to memory of 4744	620	5d99042376131355be8579bd56100a82.exe	91

C:\Users\Admin\AppData\Local\Temp\5d99042376131355be8579bd56100a82.exe
"C:\Users\Admin\AppData\Local\Temp\5d99042376131355be8579bd56100a82.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4744

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/620-8-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/620-4-0x00000000052C0000-0x000000000535E000-memory.dmp

Filesize
632KB

Download
memory/620-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/620-3-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/620-9-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/620-5-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/620-6-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/620-10-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/620-2-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/620-1-0x00000000003F0000-0x00000000004DC000-memory.dmp

Filesize
944KB

Download
memory/620-7-0x0000000005530000-0x000000000553A000-memory.dmp

Filesize
40KB

Download
memory/620-11-0x0000000006BC0000-0x0000000006BDA000-memory.dmp

Filesize
104KB

Download
memory/620-12-0x0000000006BE0000-0x0000000006BE6000-memory.dmp

Filesize
24KB

Download
memory/620-16-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/4744-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-17-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download