smokeloader | fbdda2357b3b4439dcd370d5095655f08bc3bca07eaefdb55c8e8f89d0c3607e

Analysis

max time kernel
114s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 18:49

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General

Target

0053bfb9b145fc5b257b8b96ee050890N.exe
Size

287KB
MD5

0053bfb9b145fc5b257b8b96ee050890
SHA1

75e6b5662f1fd968f7db9df1d4de69c1a1f7d552
SHA256

fbdda2357b3b4439dcd370d5095655f08bc3bca07eaefdb55c8e8f89d0c3607e
SHA512

0b1e6cd8c14e8d2893e4d3a6e35a536baee3c887ae7169fb7a5a19cc4a6f57db2da033d51b0433ab4fd4f6b4b1877cd288efcae8cac7c587c0f52a34ef569134
SSDEEP

3072:9cf4BqU5F2Mr8zbFDauRJiu1qgqJrPOgNlvLYh8FYGyX11G2CI9OdmRggxHjzwoq:GIqUYRVf6rPPMVzX1oxOjzVu

Score

10^/10

smokeloader 0704 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0704

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
848	0053bfb9b145fc5b257b8b96ee050890N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3924 set thread context of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96

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	0053bfb9b145fc5b257b8b96ee050890N.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	0053bfb9b145fc5b257b8b96ee050890N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0053bfb9b145fc5b257b8b96ee050890N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0053bfb9b145fc5b257b8b96ee050890N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96
PID 3924 wrote to memory of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96
PID 3924 wrote to memory of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96
PID 3924 wrote to memory of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96
PID 3924 wrote to memory of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96
PID 3924 wrote to memory of 848	3924	0053bfb9b145fc5b257b8b96ee050890N.exe	96

C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe
"C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3924
- C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe
  "C:\Users\Admin\AppData\Local\Temp\0053bfb9b145fc5b257b8b96ee050890N.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:848

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4360,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=1296 /prefetch:8
1⤵
PID:1072

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/848-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/848-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/848-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3924-2-0x0000000000600000-0x000000000060C000-memory.dmp

Filesize
48KB

Download
memory/3924-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download