smokeloader | 5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362

Analysis

max time kernel
210s
max time network
260s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
04/04/2024, 22:34

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General

Target
5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe
Size 190KB
Sample240404-2hheeaca8v
SHA256 5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362
MD5 204e7ef6d2e34f1cb4951f80a98b7016
SHA1 9d3921efcd09ea06b1e02badd5248bccb829eb4e
SHA512 32fbf81d4f951f4242326ae77d3d64226d3b43b04a12d7322378be054ba82a30ff1f379370c1d552bc89faa216ba9e4979037bdf4b20c79b7014108b94d5f534
SSDEEP 3072:8zUhffq/KrDI/Y9KSBvYNnS1Zt0PW/fyelUpnQPqpah:8y3q/KfI/YBoGCWfyeupQPqpa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73

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	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73
PID 3988 wrote to memory of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73
PID 3988 wrote to memory of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73
PID 3988 wrote to memory of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73
PID 3988 wrote to memory of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73
PID 3988 wrote to memory of 2952	3988	5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe	73

C:\Users\Admin\AppData\Local\Temp\5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe
"C:\Users\Admin\AppData\Local\Temp\5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Users\Admin\AppData\Local\Temp\5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe
  "C:\Users\Admin\AppData\Local\Temp\5a8af14bff518a9930230eef22be1a44e38a843a16bcded30ab38e344bc47362.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2952

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2952-3-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/2952-5-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/2952-4-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/3988-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

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memory/3988-2-0x0000000002C90000-0x0000000002C9B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads