smokeloader | 9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4

Analysis

max time kernel
152s
max time network
145s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 04:47

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General

Target

9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
Size

215KB
MD5

9b75c8d33264c955cddacd6e6f8ed53f
SHA1

e957af9fe51eff34d62b7c9190d695554f8bf398
SHA256

9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4
SHA512

561d606863e9a73430c9fbd437d219a00b403f40f6c1bb7fc6905eec790b74496d31f6c51e9240a559f8549240be8e2919725874fd9c25568866fa8fcf623e24
SSDEEP

3072:6XyY+u/FEpBt5pxygeCP4Xy7iNvfPnO905Fv8YOzT:a7+CCp3XlNwXy7yPnOaUY

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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
1212	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
2524	hgauhue
2624	hgauhue

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2524 set thread context of 2624	2524	hgauhue	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	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	hgauhue
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	hgauhue
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	hgauhue

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2208	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
2208	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1212	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2208	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
2624	hgauhue

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1212	Process not Found
1212	Process not Found

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Process not Found
1212	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2216 wrote to memory of 2208	2216	9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe	28
PID 2620 wrote to memory of 2524	2620	taskeng.exe	32
PID 2620 wrote to memory of 2524	2620	taskeng.exe	32
PID 2620 wrote to memory of 2524	2620	taskeng.exe	32
PID 2620 wrote to memory of 2524	2620	taskeng.exe	32
PID 2524 wrote to memory of 2624	2524	hgauhue	33
PID 2524 wrote to memory of 2624	2524	hgauhue	33
PID 2524 wrote to memory of 2624	2524	hgauhue	33
PID 2524 wrote to memory of 2624	2524	hgauhue	33
PID 2524 wrote to memory of 2624	2524	hgauhue	33
PID 2524 wrote to memory of 2624	2524	hgauhue	33
PID 2524 wrote to memory of 2624	2524	hgauhue	33

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
"C:\Users\Admin\AppData\Local\Temp\9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe
  "C:\Users\Admin\AppData\Local\Temp\9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2208

C:\Windows\system32\taskeng.exe
taskeng.exe {6CDD5CEB-18D0-48E1-A1A4-6E4DE0274129} S-1-5-21-3849525425-30183055-657688904-1000:KGPMNUDG\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Roaming\hgauhue
  C:\Users\Admin\AppData\Roaming\hgauhue
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Users\Admin\AppData\Roaming\hgauhue
    C:\Users\Admin\AppData\Roaming\hgauhue
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:2624

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

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Downloads

C:\Users\Admin\AppData\Roaming\hgauhue

Filesize
215KB

MD5
9b75c8d33264c955cddacd6e6f8ed53f

SHA1
e957af9fe51eff34d62b7c9190d695554f8bf398

SHA256
9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4

SHA512
561d606863e9a73430c9fbd437d219a00b403f40f6c1bb7fc6905eec790b74496d31f6c51e9240a559f8549240be8e2919725874fd9c25568866fa8fcf623e24

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

Filesize
215KB

MD5
9b75c8d33264c955cddacd6e6f8ed53f

SHA1
e957af9fe51eff34d62b7c9190d695554f8bf398

SHA256
9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4

SHA512
561d606863e9a73430c9fbd437d219a00b403f40f6c1bb7fc6905eec790b74496d31f6c51e9240a559f8549240be8e2919725874fd9c25568866fa8fcf623e24

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

Filesize
215KB

MD5
9b75c8d33264c955cddacd6e6f8ed53f

SHA1
e957af9fe51eff34d62b7c9190d695554f8bf398

SHA256
9d35150a447696b7c6d5bcf71ff97de4738e5ec528819f537f47e565b9ba14a4

SHA512
561d606863e9a73430c9fbd437d219a00b403f40f6c1bb7fc6905eec790b74496d31f6c51e9240a559f8549240be8e2919725874fd9c25568866fa8fcf623e24

Download Submit
memory/1212-8-0x0000000002AF0000-0x0000000002B06000-memory.dmp

Filesize
88KB

Download
memory/1212-22-0x0000000002B40000-0x0000000002B56000-memory.dmp

Filesize
88KB

Download
memory/2208-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2216-5-0x0000000000220000-0x0000000000235000-memory.dmp

Filesize
84KB

Download
memory/2216-0-0x0000000000220000-0x0000000000235000-memory.dmp

Filesize
84KB

Download
memory/2216-1-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2624-23-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download