smokeloader | 397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 20:03

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General

Target

397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
Size

337KB
MD5

09a3791119e544010c72ef80930faaa7
SHA1

c0175cde31c5f9183deeead0f7976834cc642783
SHA256

397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153
SHA512

40bf4a3b088f36866cbe288cd0a5abfadd8d3a042ff29f0ca6bd8e0e6f6f13e32aeeb55f197f2088e89d89eaa1875f4b43f81cc208314c78a7243f520e6ecb1a
SSDEEP

6144:+1eDLOVvtIFILo0o2VE7wozsLiTDdL4eM1ktT93Mhj:+1MOVv0Im2V6wzSdL4eWktTg

Score

10^/10

smokeloader 0604 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0604

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4848	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85

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	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.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	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85
PID 1900 wrote to memory of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85
PID 1900 wrote to memory of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85
PID 1900 wrote to memory of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85
PID 1900 wrote to memory of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85
PID 1900 wrote to memory of 4848	1900	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	85

C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
"C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
  "C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:4848

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

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

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1900-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/1900-2-0x00000000021B0000-0x00000000021BC000-memory.dmp

Filesize
48KB

Download
memory/4848-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4848-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4848-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download