smokeloader | 7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1

Resubmissions

12/10/2023, 03:11

231012-dp4n8acc6y 10

12/10/2023, 02:59

231012-dgw96sbg5w 10

Analysis

max time kernel
29s
max time network
20s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 03:11

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General

Target

7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe
Size

965KB
MD5

b44f4c86856d872159aa4826535bcadc
SHA1

e5477661e9ad4879ec5999a609c1ebaa99e70b7a
SHA256

7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1
SHA512

e9a82f3188974c6c8047652ff258133e1861f9a1736200111f9d07756f8ea0d3083e9b96aaf7cee34d803d06e744d58013b2edd3e28c0706d4fa4569fdd6b26a
SSDEEP

12288:T6K4S7N6Fpsx18xz/lhUzWAMYU4dX6eGeQ/y3QZizaoByu99kuwE7nI:TCpsx18xz/lhUy3eX7GJ/PZi0ur7nI

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	2544	WerFault.exe	21

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2740	AppLaunch.exe
2740	AppLaunch.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2292	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	29
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2740	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	31
PID 2544 wrote to memory of 2688	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	33
PID 2544 wrote to memory of 2688	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	33
PID 2544 wrote to memory of 2688	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	33
PID 2544 wrote to memory of 2688	2544	7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe	33

C:\Users\Admin\AppData\Local\Temp\7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe
"C:\Users\Admin\AppData\Local\Temp\7aee89a0da3c7a003661adefe9cb15bb3de6b1eae68f9b78901e83e92efbc1e1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:2292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  PID:2740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 60
  2⤵
  - Program crash
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2740-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2740-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2740-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2740-2-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download