smokeloader | f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

General

Target

06a029882deabf229f62728afe3baf4f.exe
Size

319KB
MD5

06a029882deabf229f62728afe3baf4f
SHA1

33a5953fbcce8761af1e68df9c9f4ad153c4a536
SHA256

f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05
SHA512

a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 6 IoCs

Processes:

wdcvistwdcvistwdcvistwdcvistwdcvistwdcvist

pid process

1964 wdcvist
3504 wdcvist
816 wdcvist
4032 wdcvist
3988 wdcvist
696 wdcvist
Deletes itself 1 IoCs

Processes:

pid process

3052

pid	process
1964	wdcvist
3504	wdcvist
816	wdcvist
4032	wdcvist
3988	wdcvist
696	wdcvist

pid	process
3052

Suspicious use of SetThreadContext 4 IoCs

Processes:

06a029882deabf229f62728afe3baf4f.exewdcvistwdcvistwdcvist

description	pid	process	target process
PID 636 set thread context of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 1964 set thread context of 3504	1964	wdcvist	wdcvist
PID 816 set thread context of 4032	816	wdcvist	wdcvist
PID 3988 set thread context of 696	3988	wdcvist	wdcvist

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

Processes:

wdcvistwdcvistwdcvist06a029882deabf229f62728afe3baf4f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wdcvist
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	06a029882deabf229f62728afe3baf4f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	06a029882deabf229f62728afe3baf4f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	06a029882deabf229f62728afe3baf4f.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

06a029882deabf229f62728afe3baf4f.exe

pid	process
2500	06a029882deabf229f62728afe3baf4f.exe
2500	06a029882deabf229f62728afe3baf4f.exe
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052
3052

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3052
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

06a029882deabf229f62728afe3baf4f.exewdcvistwdcvist

pid process

2500 06a029882deabf229f62728afe3baf4f.exe
3504 wdcvist
696 wdcvist

pid	process
3052

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052
Token: SeShutdownPrivilege	3052
Token: SeCreatePagefilePrivilege	3052

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3052

pid	process
3052

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

06a029882deabf229f62728afe3baf4f.exewdcvistwdcvistwdcvist

description	pid	process	target process
PID 636 wrote to memory of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 636 wrote to memory of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 636 wrote to memory of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 636 wrote to memory of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 636 wrote to memory of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 636 wrote to memory of 2500	636	06a029882deabf229f62728afe3baf4f.exe	06a029882deabf229f62728afe3baf4f.exe
PID 1964 wrote to memory of 3504	1964	wdcvist	wdcvist
PID 1964 wrote to memory of 3504	1964	wdcvist	wdcvist
PID 1964 wrote to memory of 3504	1964	wdcvist	wdcvist
PID 1964 wrote to memory of 3504	1964	wdcvist	wdcvist
PID 1964 wrote to memory of 3504	1964	wdcvist	wdcvist
PID 1964 wrote to memory of 3504	1964	wdcvist	wdcvist
PID 816 wrote to memory of 4032	816	wdcvist	wdcvist
PID 816 wrote to memory of 4032	816	wdcvist	wdcvist
PID 816 wrote to memory of 4032	816	wdcvist	wdcvist
PID 816 wrote to memory of 4032	816	wdcvist	wdcvist
PID 816 wrote to memory of 4032	816	wdcvist	wdcvist
PID 816 wrote to memory of 4032	816	wdcvist	wdcvist
PID 3988 wrote to memory of 696	3988	wdcvist	wdcvist
PID 3988 wrote to memory of 696	3988	wdcvist	wdcvist
PID 3988 wrote to memory of 696	3988	wdcvist	wdcvist
PID 3988 wrote to memory of 696	3988	wdcvist	wdcvist
PID 3988 wrote to memory of 696	3988	wdcvist	wdcvist
PID 3988 wrote to memory of 696	3988	wdcvist	wdcvist

C:\Users\Admin\AppData\Local\Temp\06a029882deabf229f62728afe3baf4f.exe
"C:\Users\Admin\AppData\Local\Temp\06a029882deabf229f62728afe3baf4f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:636

C:\Users\Admin\AppData\Local\Temp\06a029882deabf229f62728afe3baf4f.exe
"C:\Users\Admin\AppData\Local\Temp\06a029882deabf229f62728afe3baf4f.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2500

C:\Users\Admin\AppData\Roaming\wdcvist
C:\Users\Admin\AppData\Roaming\wdcvist
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Roaming\wdcvist
C:\Users\Admin\AppData\Roaming\wdcvist
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3504

C:\Users\Admin\AppData\Roaming\wdcvist
C:\Users\Admin\AppData\Roaming\wdcvist
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:816

C:\Users\Admin\AppData\Roaming\wdcvist
C:\Users\Admin\AppData\Roaming\wdcvist
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
PID:4032

C:\Users\Admin\AppData\Roaming\wdcvist
C:\Users\Admin\AppData\Roaming\wdcvist
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Roaming\wdcvist
C:\Users\Admin\AppData\Roaming\wdcvist
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
C:\Users\Admin\AppData\Roaming\wdcvist
MD5
06a029882deabf229f62728afe3baf4f

SHA1
33a5953fbcce8761af1e68df9c9f4ad153c4a536

SHA256
f24a559e79ba3121c7e0fed4ac995da056fe6a0dac71b2360f9e340b97117d05

SHA512
a81631eef6163f437e5bdf83156d26856653411dc6b9becc5580a83b9a4123faec5855d625beec15b1f71c3155624187f776f56b4f58e5f87e9f39bd8b61ba88

Download Submit
memory/636-114-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/696-130-0x0000000000402E1A-mapping.dmp

Download
memory/2500-116-0x0000000000402E1A-mapping.dmp

Download
memory/2500-115-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3052-117-0x0000000000720000-0x0000000000736000-memory.dmp

Filesize
88KB

Download
memory/3052-123-0x0000000000740000-0x0000000000756000-memory.dmp

Filesize
88KB

Download
memory/3052-132-0x00000000024D0000-0x00000000024E6000-memory.dmp

Filesize
88KB

Download
memory/3504-121-0x0000000000402E1A-mapping.dmp

Download
memory/4032-126-0x0000000000402E1A-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads