smokeloader | 1371f17b73bc5759c00aede9528566ae152a44b63b417f815a2a1a4eb891ba0b

General

Target

41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe
Size

194KB
MD5

62d3e762e57c4dce4d033ee555931b02
SHA1

f2c83b14a5549ef564ce4718c711aea42dbcc1f4
SHA256

41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c
SHA512

b3a70474ae55e99265ce38f66dd87aec9af6d66c51bcaab0705f2bf9977866fc46d2da7764b159587ae47bedd0ac4d4f4b2aaade5199af7277ae9222ccc21f6e
SSDEEP

3072:8BN4X312UloP0BmLhjEmBE5OOQkS1vdj0L59Xhzz1w2/R9qOIcWNbsUTJKdV:0mEP0oLhwmBAw2lJV1QOIcQb7Ju

Score

10^/10

smokeloader lab backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Signatures

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
22	4528	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3196 set thread context of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 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	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2656	MicrosoftEdgeUpdate.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87
PID 3196 wrote to memory of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87
PID 3196 wrote to memory of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87
PID 3196 wrote to memory of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87
PID 3196 wrote to memory of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87
PID 3196 wrote to memory of 3244	3196	41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe	87

C:\Users\Admin\AppData\Local\Temp\41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe
"C:\Users\Admin\AppData\Local\Temp\41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Users\Admin\AppData\Local\Temp\41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe
  "C:\Users\Admin\AppData\Local\Temp\41e4255c07c98a6273e14a0a895a0976193832f5e00acfc0c33f219364554a9c.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3244

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MDNBOTZBOUEtREM3My00NDk3LTgzRkYtQkY0OUEwMkYxMDZGfSIgdXNlcmlkPSJ7RkVGRTUxM0EtM0M2QS00QTc0LUEwMjUtN0UxNUM1QTgzQThBfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7NDQxNTY5NzctRkQ5Qi00MkY3LUEwRTAtNDlGQTg2Q0FBNjhCfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTI5MTcxMjQxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3196-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

Filesize
1024KB

Download
memory/3196-2-0x0000000002E30000-0x0000000002E39000-memory.dmp

Filesize
36KB

Download
memory/3244-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3244-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3244-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing