smokeloader | e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 05:25

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General

Target

e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe
Size

310KB
MD5

9834358549428271a3edc03bfed71880
SHA1

c1f9dadc2f5e6597bc147f9301b1e01e0ff6d9b0
SHA256

e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149
SHA512

9c5ea0dd5459383de4a2a06f0e3fc8921b41023d3af0d271daf0e2e9113a81e484dfdad5cff91d218eb7b0dc8f22fd43735a77ac2e7adbae8c15a39fe57836aa
SSDEEP

6144:bz+74FwAlB3LCsnc8UXoJkVLCXunRR1TOtmqysfhoO5GWJl1k5a:bqUFweuFEkVLCo9ytZHh9Sa

Score

10^/10

smokeloader 0204 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0204

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4032	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3468 set thread context of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82

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	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.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	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82
PID 3468 wrote to memory of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82
PID 3468 wrote to memory of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82
PID 3468 wrote to memory of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82
PID 3468 wrote to memory of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82
PID 3468 wrote to memory of 4032	3468	e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe	82

C:\Users\Admin\AppData\Local\Temp\e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe
"C:\Users\Admin\AppData\Local\Temp\e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Users\Admin\AppData\Local\Temp\e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe
  "C:\Users\Admin\AppData\Local\Temp\e03690f4b0af8b4adc2f6a1b131e55be8ab45cafed87e07a8a4becd2a9f31149N.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:4032

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\AE30.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3468-1-0x0000000001820000-0x0000000001920000-memory.dmp

Filesize
1024KB

Download
memory/3468-2-0x00000000017D0000-0x00000000017DC000-memory.dmp

Filesize
48KB

Download
memory/4032-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4032-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4032-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download