smokeloader | 56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a

General

Target

56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
Size

187KB
MD5

ed89332cb4fb426b7e9ad5d8853be58f
SHA1

4c6dbd10b19dd0a53d76bc8ca8c5df055a5f0ccc
SHA256

56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a
SHA512

9f23967e804be45bf892f7c1c1590efe633ae34ddb4d953f8a29ea14febdda51ae217e9c38e59acbbf9e578d5564fd50d6239d15b57495884adfd07ece988862
SSDEEP

3072:znz60aKL8S8oN5QLMMfSZ523EfCUMvgNZJBJG1Sy/Pk44x://L0oQLoC3EfCUVNG1

Score

10^/10

smokeloader backdoor collection trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4436-133-0x0000000000710000-0x0000000000719000-memory.dmp	family_smokeloader

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.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

Processes:

56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe

pid	process
4436	56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
4436	56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1996
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe

pid process

4436 56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
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pid	process
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Suspicious use of WriteProcessMemory 11 IoCs

Processes:

description	pid	target process
PID 1996 wrote to memory of 4604	1996	explorer.exe
PID 1996 wrote to memory of 4604	1996	explorer.exe
PID 1996 wrote to memory of 4604	1996	explorer.exe
PID 1996 wrote to memory of 4604	1996	explorer.exe
PID 1996 wrote to memory of 2192	1996	explorer.exe
PID 1996 wrote to memory of 2192	1996	explorer.exe
PID 1996 wrote to memory of 2192	1996	explorer.exe
PID 1996 wrote to memory of 1580	1996	explorer.exe
PID 1996 wrote to memory of 1580	1996	explorer.exe
PID 1996 wrote to memory of 1580	1996	explorer.exe
PID 1996 wrote to memory of 1580	1996	explorer.exe

outlook_office_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

outlook_win_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

C:\Users\Admin\AppData\Local\Temp\56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe
"C:\Users\Admin\AppData\Local\Temp\56c77e5efa069fdbea2beaf1cbb234735d6aa70eba0fe50b736ab5f9bbe6e69a.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4436

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:4604

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2192

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1580-141-0x0000000000000000-mapping.dmp

Download
memory/1580-145-0x0000000000F40000-0x0000000000F62000-memory.dmp

Filesize
136KB

Download
memory/1580-143-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

Filesize
156KB

Download
memory/1580-142-0x0000000000F40000-0x0000000000F62000-memory.dmp

Filesize
136KB

Download
memory/2192-138-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/2192-137-0x0000000000000000-mapping.dmp

Download
memory/4436-132-0x0000000000848000-0x0000000000859000-memory.dmp

Filesize
68KB

Download
memory/4436-135-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/4436-134-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/4436-133-0x0000000000710000-0x0000000000719000-memory.dmp

Filesize
36KB

Download
memory/4604-139-0x0000000000570000-0x00000000005E5000-memory.dmp

Filesize
468KB

Download
memory/4604-140-0x0000000000500000-0x000000000056B000-memory.dmp

Filesize
428KB

Download
memory/4604-136-0x0000000000000000-mapping.dmp

Download
memory/4604-144-0x0000000000500000-0x000000000056B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads