smokeloader | b6f8cdf75993efd765e334d210fd76bd8586a125c2ebbbe271f3fc026db750a7

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 12:23

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General

Target

37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f.exe
Size

248KB
MD5

1f243595efaa54f6c37a089ec7847c6d
SHA1

83eb38d9f85bdcf12cb781fad34ceb1e31b34b5a
SHA256

37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f
SHA512

58e936e2c5b44a489c75494102228d11d6aa6d3e26e687f20923437c1d44b2e9af5533e3ea53c178c2bc70d656f913158dbc0f5cd8cdc7a3738cba8ad6cbff55
SSDEEP

3072:IDGh7pXYLE2d5+8XTQhtetONYWO9jfBU393KySv53brCTxI:RpXYLEcfXT3hRfG3kyevCFI

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

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	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2796	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2796	EXCEL.EXE
2796	EXCEL.EXE
2796	EXCEL.EXE

C:\Users\Admin\AppData\Local\Temp\37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f.exe
"C:\Users\Admin\AppData\Local\Temp\37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f.exe"
1⤵
PID:1788

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2796

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/1788-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1788-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1788-5-0x0000000000400000-0x0000000000826000-memory.dmp

Filesize
4.1MB

Download
memory/1788-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1788-3-0x0000000000400000-0x0000000000826000-memory.dmp

Filesize
4.1MB

Download
memory/2796-7-0x00000000729DD000-0x00000000729E8000-memory.dmp

Filesize
44KB

Download
memory/2796-6-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2796-18-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2796-19-0x00000000729DD000-0x00000000729E8000-memory.dmp

Filesize
44KB

Download