smokeloader | 757768465a970aa74cdd702df6f5bf71615a036f1e01fc11d62c101f36647892

Analysis

max time kernel
93s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 14:51

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General

Target

ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe
Size

290KB
MD5

6db27327a2233d8ee11abbed6229604b
SHA1

feb1887bd6f9c0f84ed539be18d2812042d87e74
SHA256

ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4
SHA512

a0fac0a468fbc7d4f4b9a03a2a5fb94ec90172f04805066250a6c2fbf322a149acba3ecfd4cfa6889218e0c51bcece9d26c355cf36d5f939cb828a7735d5c5bf
SSDEEP

6144:BecoZjpjdRLk/7Y8XOFPN8v9ntG/689RjObRXMA:B+ZjpRRA/7XOFPSvJq68fjObph

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3748 set thread context of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92

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	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92
PID 3748 wrote to memory of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92
PID 3748 wrote to memory of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92
PID 3748 wrote to memory of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92
PID 3748 wrote to memory of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92
PID 3748 wrote to memory of 4868	3748	ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe	92

C:\Users\Admin\AppData\Local\Temp\ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe
"C:\Users\Admin\AppData\Local\Temp\ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Users\Admin\AppData\Local\Temp\ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe
  "C:\Users\Admin\AppData\Local\Temp\ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4868

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/3748-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/3748-2-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/4868-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4868-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4868-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download