smokeloader | 5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e

Analysis

max time kernel
300s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
02/11/2023, 04:49

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General

Target

5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
Size

221KB
MD5

6a5328207dfc2885b6976339c6df2f36
SHA1

119bda84754b0b13d63a668d5e29b8e1d09ba8eb
SHA256

5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e
SHA512

c489767e5cd1b6d07fa0328d8bfb0cefe0c299f6c8b482340c97d357cd6b8b8fbd7c5446096ebe3d646106eac927df18c0d3790b51ab216259452762bd46c2e0
SSDEEP

6144:Kos7DjeAarEIZeHJPlTGB5Po2clXxy0mmLEw:kDqAarEI0H7go2c2V6Ew

Score

10^/10

smokeloader up3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

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

Deletes itself 1 IoCs

pid	Process
1196	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
2724	iuideru
2668	iuideru

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 2724 set thread context of 2668	2724	iuideru	33

Checks SCSI registry key(s) 3 TTPs 6 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	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	iuideru
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	iuideru
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	iuideru

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1480	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
1480	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found
1196	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1196	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1480	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
2668	iuideru

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1196	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 1700 wrote to memory of 1480	1700	5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe	28
PID 2308 wrote to memory of 2724	2308	taskeng.exe	32
PID 2308 wrote to memory of 2724	2308	taskeng.exe	32
PID 2308 wrote to memory of 2724	2308	taskeng.exe	32
PID 2308 wrote to memory of 2724	2308	taskeng.exe	32
PID 2724 wrote to memory of 2668	2724	iuideru	33
PID 2724 wrote to memory of 2668	2724	iuideru	33
PID 2724 wrote to memory of 2668	2724	iuideru	33
PID 2724 wrote to memory of 2668	2724	iuideru	33
PID 2724 wrote to memory of 2668	2724	iuideru	33
PID 2724 wrote to memory of 2668	2724	iuideru	33
PID 2724 wrote to memory of 2668	2724	iuideru	33

C:\Users\Admin\AppData\Local\Temp\5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
"C:\Users\Admin\AppData\Local\Temp\5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Local\Temp\5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe
  "C:\Users\Admin\AppData\Local\Temp\5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1480

C:\Windows\system32\taskeng.exe
taskeng.exe {5D286F80-9F67-4010-A6D6-757F0B4ECC2A} S-1-5-21-2084844033-2744876406-2053742436-1000:GGPVHMXR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Roaming\iuideru
  C:\Users\Admin\AppData\Roaming\iuideru
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Roaming\iuideru
    C:\Users\Admin\AppData\Roaming\iuideru
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:2668

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

C:\Users\Admin\AppData\Roaming\iuideru

Filesize
221KB

MD5
6a5328207dfc2885b6976339c6df2f36

SHA1
119bda84754b0b13d63a668d5e29b8e1d09ba8eb

SHA256
5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e

SHA512
c489767e5cd1b6d07fa0328d8bfb0cefe0c299f6c8b482340c97d357cd6b8b8fbd7c5446096ebe3d646106eac927df18c0d3790b51ab216259452762bd46c2e0

Download Submit
C:\Users\Admin\AppData\Roaming\iuideru

Filesize
221KB

MD5
6a5328207dfc2885b6976339c6df2f36

SHA1
119bda84754b0b13d63a668d5e29b8e1d09ba8eb

SHA256
5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e

SHA512
c489767e5cd1b6d07fa0328d8bfb0cefe0c299f6c8b482340c97d357cd6b8b8fbd7c5446096ebe3d646106eac927df18c0d3790b51ab216259452762bd46c2e0

Download Submit
C:\Users\Admin\AppData\Roaming\iuideru

Filesize
221KB

MD5
6a5328207dfc2885b6976339c6df2f36

SHA1
119bda84754b0b13d63a668d5e29b8e1d09ba8eb

SHA256
5dd895076ae040aa0668382cf16bd3536bc36819d247adb56e2de7d6afbbda5e

SHA512
c489767e5cd1b6d07fa0328d8bfb0cefe0c299f6c8b482340c97d357cd6b8b8fbd7c5446096ebe3d646106eac927df18c0d3790b51ab216259452762bd46c2e0

Download Submit
memory/1196-8-0x0000000002AF0000-0x0000000002B06000-memory.dmp

Filesize
88KB

Download
memory/1196-26-0x00000000039D0000-0x00000000039E6000-memory.dmp

Filesize
88KB

Download
memory/1480-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1480-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1480-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1480-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1480-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1700-13-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1700-1-0x0000000000850000-0x0000000000950000-memory.dmp

Filesize
1024KB

Download
memory/1700-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2668-25-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2668-27-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2724-20-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download