smokeloader | 4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3

Analysis

max time kernel
151s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
26-10-2022 01:10

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General

Target

4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe
Size

254KB
MD5

cbd1a2bd0ff3262be7d4bab90bf659e2
SHA1

47696a65eed72505ab5095dd07107841ecb5e1eb
SHA256

4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3
SHA512

fb715bb2658a0e2831e512a31f4328c6b1175331c69e9181556e43e00e3707337468cb26d238aa00a974c05d846d189f2dca00779696630adab4bf4050acd934
SSDEEP

3072:4XKgvdTOL60C3OxkI8+2RGJlWdqjKKJt5fKE+KD58rscoMFixgk:MvvdKLaMkI8+d+8rxeK5cscNFixX

Score

10^/10

smokeloader vidar 937 backdoor discovery spyware stealer trojan

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

937

https://t.me/slivetalks

https://c.im/@xinibin420

Attributes

profile_id
937

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2016-145-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

3553.exe

pid process

2132 3553.exe
Deletes itself 1 IoCs

Processes:

pid process

3056
Loads dropped DLL 3 IoCs

Processes:

3553.exe

pid process

2132 3553.exe
2132 3553.exe
2132 3553.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4884 2132 WerFault.exe 3553.exe

pid	process
2132	3553.exe

pid	process
3056

pid	process
2132	3553.exe
2132	3553.exe
2132	3553.exe

pid	pid_target	process	target process
4884	2132	WerFault.exe	3553.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3553.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3553.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3553.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe

pid	process
2016	4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe
2016	4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe
3056
3056
3056
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3056
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3056
3056
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3056
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3056

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3056
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe

pid process

2016 4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe

pid	process
3056

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	3056
Token: SeCreatePagefilePrivilege	3056
Token: SeShutdownPrivilege	3056
Token: SeCreatePagefilePrivilege	3056
Token: SeShutdownPrivilege	3056
Token: SeCreatePagefilePrivilege	3056
Token: SeShutdownPrivilege	3056
Token: SeCreatePagefilePrivilege	3056
Token: SeShutdownPrivilege	3056
Token: SeCreatePagefilePrivilege	3056

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

description	pid	target process
PID 3056 wrote to memory of 2132	3056	3553.exe
PID 3056 wrote to memory of 2132	3056	3553.exe
PID 3056 wrote to memory of 2132	3056	3553.exe

C:\Users\Admin\AppData\Local\Temp\4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe
"C:\Users\Admin\AppData\Local\Temp\4b27dec0a98360e6db50598a83e348160520866059ae38fd2f5c5c36b604f8c3.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2016

C:\Users\Admin\AppData\Local\Temp\3553.exe
C:\Users\Admin\AppData\Local\Temp\3553.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 1632
2⤵
- Program crash
PID:4884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3553.exe
Filesize
343KB

MD5
ba97a8ba982684ffd26140b002fcf5f6

SHA1
8d0b982e8e9aaf3a84e3b17ebc910d26d341b1f7

SHA256
a3282df5188935d442674443e22d2f8bc5d5390a778b386a675d2a66a619d47b

SHA512
27823fba4a49841df28e5cd99dc68d9a258213cafade5aacaabac60461bdc273751aba808c7008374b3c7861664c7b1b301556c9b2e5ada8bf6c435e05a5ea8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3553.exe
Filesize
343KB

MD5
ba97a8ba982684ffd26140b002fcf5f6

SHA1
8d0b982e8e9aaf3a84e3b17ebc910d26d341b1f7

SHA256
a3282df5188935d442674443e22d2f8bc5d5390a778b386a675d2a66a619d47b

SHA512
27823fba4a49841df28e5cd99dc68d9a258213cafade5aacaabac60461bdc273751aba808c7008374b3c7861664c7b1b301556c9b2e5ada8bf6c435e05a5ea8f

Download Submit
\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\ProgramData\sqlite3.dll
Filesize
1.1MB

MD5
1f44d4d3087c2b202cf9c90ee9d04b0f

SHA1
106a3ebc9e39ab6ddb3ff987efb6527c956f192d

SHA256
4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260

SHA512
b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45

Download Submit
memory/2016-156-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-121-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-122-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-123-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-124-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-125-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-126-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-128-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-129-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-130-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-131-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-132-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-133-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-134-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-135-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-157-0x0000000000400000-0x0000000002C2E000-memory.dmp

Filesize
40.2MB

Download
memory/2016-137-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-138-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-139-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-140-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-141-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-143-0x0000000002C30000-0x0000000002D7A000-memory.dmp

Filesize
1.3MB

Download
memory/2016-142-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-145-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2016-146-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-144-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-147-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-148-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-149-0x0000000000400000-0x0000000002C2E000-memory.dmp

Filesize
40.2MB

Download
memory/2016-150-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-151-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-152-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-153-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-154-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-155-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-120-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-136-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-194-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-172-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-161-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-162-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-163-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-164-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-165-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-166-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-168-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-169-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-170-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-171-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-160-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-173-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-174-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-176-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-177-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-178-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-175-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-179-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-180-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-181-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-182-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-184-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-186-0x0000000002DA0000-0x0000000002EEA000-memory.dmp

Filesize
1.3MB

Download
memory/2132-185-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-183-0x0000000002F81000-0x0000000002FAD000-memory.dmp

Filesize
176KB

Download
memory/2132-187-0x0000000000400000-0x0000000002C44000-memory.dmp

Filesize
40.3MB

Download
memory/2132-188-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-189-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-190-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-191-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-192-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-193-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2132-158-0x0000000000000000-mapping.dmp

Download
memory/2132-251-0x0000000002F81000-0x0000000002FAD000-memory.dmp

Filesize
176KB

Download
memory/2132-252-0x0000000002DA0000-0x0000000002EEA000-memory.dmp

Filesize
1.3MB

Download
memory/2132-253-0x0000000000400000-0x0000000002C44000-memory.dmp

Filesize
40.3MB

Download