smokeloader | b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a

Resubmissions

09-04-2024 13:56

240409-q8381sgg93 10

09-04-2024 13:56

09-04-2024 13:56

09-04-2024 13:56

02-12-2023 09:25

Analysis

max time kernel
1789s
max time network
1563s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 13:56

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General

Target

b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
Size

306KB
MD5

39984dd8a5e8246ce321592c274114fd
SHA1

7a80fcdffbc624c54b4df3beaa9a3d1d108c7943
SHA256

b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a
SHA512

3c9c30a1c0d1799b91d9feacc3868732dca0bc2e38abf988eb3d8b42f406133d087af3f7da4e2d6ba825df10a64157349feecf99b8f656de41b4f051e67b4c4e
SSDEEP

3072:ZEbn4NJpfmROpECfWYS1hiwAhvJtPOSm9Zh5eAIUUXdZ315U:GcNJpfmmHCiw6vYZKAI7NhM

Score

10^/10

smokeloader pu10 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

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 8 IoCs

pid	Process
2588	9E33.exe
2580	A036.exe
2952	ssvbgjg
2660	ssvbgjg
3028	ssvbgjg
2168	ssvbgjg
1816	ssvbgjg
2208	ssvbgjg

Loads dropped DLL 1 IoCs

pid	Process
2952	ssvbgjg

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2952 set thread context of 2660	2952	ssvbgjg	35
PID 3028 set thread context of 2168	3028	ssvbgjg	38
PID 1816 set thread context of 2208	1816	ssvbgjg	41

Checks SCSI registry key(s) 3 TTPs 12 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	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ssvbgjg

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2336	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
2336	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.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: MapViewOfSection 4 IoCs

pid	Process
2336	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
2660	ssvbgjg
2168	ssvbgjg
2208	ssvbgjg

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1200	Process not Found
Token: SeShutdownPrivilege	1200	Process not Found
Token: SeShutdownPrivilege	1200	Process not Found
Token: SeShutdownPrivilege	1200	Process not Found
Token: SeShutdownPrivilege	1200	Process not Found

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 2524 wrote to memory of 2336	2524	b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe	28
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2588	1200	Process not Found	29
PID 1200 wrote to memory of 2580	1200	Process not Found	30
PID 1200 wrote to memory of 2580	1200	Process not Found	30
PID 1200 wrote to memory of 2580	1200	Process not Found	30
PID 1200 wrote to memory of 2580	1200	Process not Found	30
PID 2856 wrote to memory of 2952	2856	taskeng.exe	34
PID 2856 wrote to memory of 2952	2856	taskeng.exe	34
PID 2856 wrote to memory of 2952	2856	taskeng.exe	34
PID 2856 wrote to memory of 2952	2856	taskeng.exe	34
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 2952 wrote to memory of 2660	2952	ssvbgjg	35
PID 1608 wrote to memory of 3028	1608	taskeng.exe	37
PID 1608 wrote to memory of 3028	1608	taskeng.exe	37
PID 1608 wrote to memory of 3028	1608	taskeng.exe	37
PID 1608 wrote to memory of 3028	1608	taskeng.exe	37
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 3028 wrote to memory of 2168	3028	ssvbgjg	38
PID 1972 wrote to memory of 1816	1972	taskeng.exe	40
PID 1972 wrote to memory of 1816	1972	taskeng.exe	40
PID 1972 wrote to memory of 1816	1972	taskeng.exe	40
PID 1972 wrote to memory of 1816	1972	taskeng.exe	40
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41
PID 1816 wrote to memory of 2208	1816	ssvbgjg	41

C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
"C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
  "C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2336

C:\Users\Admin\AppData\Local\Temp\9E33.exe
C:\Users\Admin\AppData\Local\Temp\9E33.exe
1⤵
- Executes dropped EXE
PID:2588

C:\Users\Admin\AppData\Local\Temp\A036.exe
C:\Users\Admin\AppData\Local\Temp\A036.exe
1⤵
- Executes dropped EXE
PID:2580

C:\Windows\system32\taskeng.exe
taskeng.exe {82092213-C00E-40AF-96C4-BCB356C91DAA} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Roaming\ssvbgjg
  C:\Users\Admin\AppData\Roaming\ssvbgjg
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Users\Admin\AppData\Roaming\ssvbgjg
    C:\Users\Admin\AppData\Roaming\ssvbgjg
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:2660

C:\Windows\system32\taskeng.exe
taskeng.exe {79077299-0018-4C50-91A8-3E3907744573} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Roaming\ssvbgjg
  C:\Users\Admin\AppData\Roaming\ssvbgjg
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Users\Admin\AppData\Roaming\ssvbgjg
    C:\Users\Admin\AppData\Roaming\ssvbgjg
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:2168

C:\Windows\system32\taskeng.exe
taskeng.exe {D6F8E481-5751-4EFF-9B67-E33A7777BF54} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Roaming\ssvbgjg
  C:\Users\Admin\AppData\Roaming\ssvbgjg
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Users\Admin\AppData\Roaming\ssvbgjg
    C:\Users\Admin\AppData\Roaming\ssvbgjg
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:2208

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\Local\Temp\9E33.exe

Filesize
5.0MB

MD5
10ef283264e5050eb40f465feabeea60

SHA1
5c2b60ad7c2089db827532fed6069bdf74b505f8

SHA256
6d45d61463e3521aa6d3d31bd7e953d38c6381c0e1b526dcb28c7f2786669eb6

SHA512
c4e4080840991a829b05c76a55f6da6bffc9f618c7a1214d4d0b84e6e714d7b0e5646a99a5d92188f71801e6b7269069728f328d3a3b3fda577191372f399080

Download Submit
C:\Users\Admin\AppData\Local\Temp\A036.exe

Filesize
385KB

MD5
bdbfccc2b71c0d7f9de70aba81597b52

SHA1
ebb97f2a7fe51ff607a1d1b7557c995dd1cc275a

SHA256
082e8792e48e6ae0b16330f6bde833c42158ba2c9b75fad31ebc3d939f8a0042

SHA512
fba755745e82b6acd1e74e15ce9bc729a9b0e85bbb1975959c1b5d7ab1e6859efc715de87c3f4b6ef4bb21a25d9246142e96323cfc5d732ae6007b4690dcd417

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

Filesize
306KB

MD5
39984dd8a5e8246ce321592c274114fd

SHA1
7a80fcdffbc624c54b4df3beaa9a3d1d108c7943

SHA256
b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a

SHA512
3c9c30a1c0d1799b91d9feacc3868732dca0bc2e38abf988eb3d8b42f406133d087af3f7da4e2d6ba825df10a64157349feecf99b8f656de41b4f051e67b4c4e

Download Submit
memory/1200-69-0x0000000002850000-0x0000000002866000-memory.dmp

Filesize
88KB

Download
memory/1200-40-0x0000000002520000-0x0000000002536000-memory.dmp

Filesize
88KB

Download
memory/1200-54-0x0000000002830000-0x0000000002846000-memory.dmp

Filesize
88KB

Download
memory/1200-7-0x00000000024F0000-0x0000000002506000-memory.dmp

Filesize
88KB

Download
memory/1816-66-0x0000000000272000-0x0000000000288000-memory.dmp

Filesize
88KB

Download
memory/2168-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2168-53-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-68-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-67-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2208-70-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2336-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2336-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2336-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2336-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2524-4-0x0000000002C00000-0x0000000002D00000-memory.dmp

Filesize
1024KB

Download
memory/2524-5-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2580-29-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/2580-26-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/2660-39-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2660-41-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2952-34-0x0000000002C00000-0x0000000002D00000-memory.dmp

Filesize
1024KB

Download
memory/3028-49-0x0000000002C40000-0x0000000002D40000-memory.dmp

Filesize
1024KB

Download