smokeloader | 3668ad791a0f6a1eae6047cec55548c7fc64ceb4d89e73262695b52e144f3b13

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 23:55

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General

Target

43eb967fce9ffe2d06c1174b0bc416f6.exe
Size

266KB
MD5

43eb967fce9ffe2d06c1174b0bc416f6
SHA1

6dde42f13384300c122bc396c05f70f2c9f13653
SHA256

3668ad791a0f6a1eae6047cec55548c7fc64ceb4d89e73262695b52e144f3b13
SHA512

a783071f48acf905634c2c60ea9487fbdbb90706dd6884dde32ac980eda3e909e8835bf99b466b72f9fc6f1fa2bc0d93b45c7439cf5f5c6445816733c0cc7b7f
SSDEEP

6144:fDREIYijYDnEWyufE7EvOwN2UUhufKRfXQmpC5s:NEIYbLsufiEvOWYufEfgoC

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2272 2276 WerFault.exe 43eb967fce9ffe2d06c1174b0bc416f6.exe
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

Processes:

43eb967fce9ffe2d06c1174b0bc416f6.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43eb967fce9ffe2d06c1174b0bc416f6.exe

pid	pid_target	process	target process
2272	2276	WerFault.exe	43eb967fce9ffe2d06c1174b0bc416f6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43eb967fce9ffe2d06c1174b0bc416f6.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

43eb967fce9ffe2d06c1174b0bc416f6.exe

description	pid	process	target process
PID 2276 wrote to memory of 2272	2276	43eb967fce9ffe2d06c1174b0bc416f6.exe	WerFault.exe
PID 2276 wrote to memory of 2272	2276	43eb967fce9ffe2d06c1174b0bc416f6.exe	WerFault.exe
PID 2276 wrote to memory of 2272	2276	43eb967fce9ffe2d06c1174b0bc416f6.exe	WerFault.exe
PID 2276 wrote to memory of 2272	2276	43eb967fce9ffe2d06c1174b0bc416f6.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\43eb967fce9ffe2d06c1174b0bc416f6.exe
"C:\Users\Admin\AppData\Local\Temp\43eb967fce9ffe2d06c1174b0bc416f6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 136
  2⤵
  - Program crash
  PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2276-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2276-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2276-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2276-4-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download