smokeloader | be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871

General

Target

be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
Size

103KB
MD5

b53bbcfca226226405217bba4f8b2532
SHA1

6a84eb91adb4ec5b3b18929fb5e0bfd39cc41fb2
SHA256

be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871
SHA512

f8b51680dbca520ed6877ca5cc1a003258a03bdd802c69985d658375562608c004084463363c9a2ed92b7552c36ba729b1863a1693990186e0f188ff3cc1ec86
SSDEEP

1536:KOhk60PnYkfH77Xcsg23bH/0cRDrKOyaxPoWvVVZ5ElaSePrpf3n3:HuJ/hRvg2TzEla3PVH

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/3000-1-0x00000000003B0000-0x00000000003D0000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3000 set thread context of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3184	3000	WerFault.exe	81

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	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.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	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 5008	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	82
PID 3000 wrote to memory of 5008	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	82
PID 3000 wrote to memory of 5008	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	82
PID 3000 wrote to memory of 3688	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	83
PID 3000 wrote to memory of 3688	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	83
PID 3000 wrote to memory of 3688	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	83
PID 3000 wrote to memory of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84
PID 3000 wrote to memory of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84
PID 3000 wrote to memory of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84
PID 3000 wrote to memory of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84
PID 3000 wrote to memory of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84
PID 3000 wrote to memory of 384	3000	be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe	84

C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
"C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
  "C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe"
  2⤵
  PID:5008
- C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
  "C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe"
  2⤵
  PID:3688
- C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe
  "C:\Users\Admin\AppData\Local\Temp\be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 828
  2⤵
  - Program crash
  PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3000 -ip 3000
1⤵
PID:4828

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/384-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/384-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3000-0-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/3000-1-0x00000000003B0000-0x00000000003D0000-memory.dmp

Filesize
128KB

Download
memory/3000-2-0x0000000005410000-0x00000000059B4000-memory.dmp

Filesize
5.6MB

Download
memory/3000-3-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-7-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-8-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing