smokeloader | e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4

Analysis

max time kernel
300s
max time network
128s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
27/11/2023, 05:05

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General

Target

e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
Size

291KB
MD5

d559b9922fd74cf1089b5d3a57020d8d
SHA1

25a42743138724b39f5b00ea3e2f88d23603689e
SHA256

e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4
SHA512

823ecf75f158ae708cc3921d92fcf4652d90d2aedc344bd00142c5aa40bbbf75765c1da2eead64f06119236789d037eaf6f31a31536fbb6cdfa97b68a5ce51c5
SSDEEP

3072:0timTEMg88HcaT75GQRbh2nRbZYdeUlLwQj+Is:OzTEh88H3v5GVp474

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
1200	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
2772	ddetgwg
1944	ddetgwg

Loads dropped DLL 1 IoCs

pid	Process
2772	ddetgwg

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 304 set thread context of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 2772 set thread context of 1944	2772	ddetgwg	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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ddetgwg
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ddetgwg
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ddetgwg

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
368	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
368	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found
1200	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1200	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
368	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
1944	ddetgwg

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1200	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 304 wrote to memory of 368	304	e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe	28
PID 2532 wrote to memory of 2772	2532	taskeng.exe	32
PID 2532 wrote to memory of 2772	2532	taskeng.exe	32
PID 2532 wrote to memory of 2772	2532	taskeng.exe	32
PID 2532 wrote to memory of 2772	2532	taskeng.exe	32
PID 2772 wrote to memory of 1944	2772	ddetgwg	33
PID 2772 wrote to memory of 1944	2772	ddetgwg	33
PID 2772 wrote to memory of 1944	2772	ddetgwg	33
PID 2772 wrote to memory of 1944	2772	ddetgwg	33
PID 2772 wrote to memory of 1944	2772	ddetgwg	33
PID 2772 wrote to memory of 1944	2772	ddetgwg	33
PID 2772 wrote to memory of 1944	2772	ddetgwg	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\e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
"C:\Users\Admin\AppData\Local\Temp\e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:304
- C:\Users\Admin\AppData\Local\Temp\e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe
  "C:\Users\Admin\AppData\Local\Temp\e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:368

C:\Windows\system32\taskeng.exe
taskeng.exe {0AA47A21-EF49-452B-8112-824B2BCA5148} S-1-5-21-3618187007-3650799920-3290345941-1000:BPDFUYWR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Roaming\ddetgwg
  C:\Users\Admin\AppData\Roaming\ddetgwg
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Users\Admin\AppData\Roaming\ddetgwg
    C:\Users\Admin\AppData\Roaming\ddetgwg
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:1944

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\ddetgwg

Filesize
291KB

MD5
d559b9922fd74cf1089b5d3a57020d8d

SHA1
25a42743138724b39f5b00ea3e2f88d23603689e

SHA256
e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4

SHA512
823ecf75f158ae708cc3921d92fcf4652d90d2aedc344bd00142c5aa40bbbf75765c1da2eead64f06119236789d037eaf6f31a31536fbb6cdfa97b68a5ce51c5

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

Filesize
291KB

MD5
d559b9922fd74cf1089b5d3a57020d8d

SHA1
25a42743138724b39f5b00ea3e2f88d23603689e

SHA256
e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4

SHA512
823ecf75f158ae708cc3921d92fcf4652d90d2aedc344bd00142c5aa40bbbf75765c1da2eead64f06119236789d037eaf6f31a31536fbb6cdfa97b68a5ce51c5

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

Filesize
291KB

MD5
d559b9922fd74cf1089b5d3a57020d8d

SHA1
25a42743138724b39f5b00ea3e2f88d23603689e

SHA256
e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4

SHA512
823ecf75f158ae708cc3921d92fcf4652d90d2aedc344bd00142c5aa40bbbf75765c1da2eead64f06119236789d037eaf6f31a31536fbb6cdfa97b68a5ce51c5

Download Submit
\Users\Admin\AppData\Roaming\ddetgwg

Filesize
291KB

MD5
d559b9922fd74cf1089b5d3a57020d8d

SHA1
25a42743138724b39f5b00ea3e2f88d23603689e

SHA256
e54bb1783c1e0d9c8dfee460edb517fb3db08f7bb0a670023b1c68d273a978a4

SHA512
823ecf75f158ae708cc3921d92fcf4652d90d2aedc344bd00142c5aa40bbbf75765c1da2eead64f06119236789d037eaf6f31a31536fbb6cdfa97b68a5ce51c5

Download Submit
memory/304-2-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/304-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/368-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/368-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/368-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/368-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/368-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1200-18-0x000007FEF5620000-0x000007FEF5763000-memory.dmp

Filesize
1.3MB

Download
memory/1200-19-0x000007FE87810000-0x000007FE8781A000-memory.dmp

Filesize
40KB

Download
memory/1200-17-0x000007FE87810000-0x000007FE8781A000-memory.dmp

Filesize
40KB

Download
memory/1200-16-0x000007FEF5620000-0x000007FEF5763000-memory.dmp

Filesize
1.3MB

Download
memory/1200-8-0x0000000002990000-0x00000000029A6000-memory.dmp

Filesize
88KB

Download
memory/1200-30-0x00000000029E0000-0x00000000029F6000-memory.dmp

Filesize
88KB

Download
memory/1944-29-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1944-31-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2772-25-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download