smokeloader | 2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff

Analysis

max time kernel
150s
max time network
139s
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 07:55

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General

Target

2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe
Size

223KB
MD5

afb3c96cbc44f897b696f8afdc798404
SHA1

3750d306ab7df66e20d9ff31ec8997fee7296f16
SHA256

2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff
SHA512

e13815bd8f35c767ed2d18df5737d2e0480f0a24c7b84ce0526558cd4a2d9117ee3351b17723ae35efa02d60443a54b73ca9945cb47524b823353fe51fb56554
SSDEEP

6144:0v/p4sW73BLhzxtqgY6aDNfbc3fpzz2i:0v/p4n7RFzxt5Y6K+Fz2i

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/2968-144-0x00000000005F0000-0x00000000005F9000-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:

C3EC.exe

pid process

2020 C3EC.exe
Deletes itself 1 IoCs

Processes:

pid process

2604
Loads dropped DLL 3 IoCs

Processes:

C3EC.exe

pid process

2020 C3EC.exe
2020 C3EC.exe
2020 C3EC.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

4256 2020 WerFault.exe C3EC.exe

pid	process
2020	C3EC.exe

pid	process
2604

pid	process
2020	C3EC.exe
2020	C3EC.exe
2020	C3EC.exe

pid	pid_target	process	target process
4256	2020	WerFault.exe	C3EC.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:

2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.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:

C3EC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	C3EC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	C3EC.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe

pid	process
2968	2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe
2968	2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604
2604

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2604
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe

pid process

2968 2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe

pid	process
2604

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	2604
Token: SeCreatePagefilePrivilege	2604
Token: SeShutdownPrivilege	2604
Token: SeCreatePagefilePrivilege	2604
Token: SeShutdownPrivilege	2604
Token: SeCreatePagefilePrivilege	2604
Token: SeShutdownPrivilege	2604
Token: SeCreatePagefilePrivilege	2604
Token: SeShutdownPrivilege	2604
Token: SeCreatePagefilePrivilege	2604

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

description	pid	target process
PID 2604 wrote to memory of 2020	2604	C3EC.exe
PID 2604 wrote to memory of 2020	2604	C3EC.exe
PID 2604 wrote to memory of 2020	2604	C3EC.exe

C:\Users\Admin\AppData\Local\Temp\2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe
"C:\Users\Admin\AppData\Local\Temp\2aa46bd5fb727aa41a17734c4037dc8b315f899457ec635598c8d7d9780196ff.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2968

C:\Users\Admin\AppData\Local\Temp\C3EC.exe
C:\Users\Admin\AppData\Local\Temp\C3EC.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 1752
2⤵
- Program crash
PID:4256

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\C3EC.exe
Filesize
331KB

MD5
09551ab38f2e8cf814cf67f5d7a5f8e4

SHA1
9f0df37c979517c5c73c62f082ab6ecf87045e17

SHA256
1beb50ab8de7ec33aec7deb5365fbebce3a91bfe9cf31387a5bf326ace08d48b

SHA512
ee03f58b9a12e34735a0cf98ab4dd8cdc5f8006b657c6077aab457d6f7a585cd9bbe09309060d39764320122ecda85978dd8c4c5d6658f9089c4aeebab97614b

Download Submit
C:\Users\Admin\AppData\Local\Temp\C3EC.exe
Filesize
331KB

MD5
09551ab38f2e8cf814cf67f5d7a5f8e4

SHA1
9f0df37c979517c5c73c62f082ab6ecf87045e17

SHA256
1beb50ab8de7ec33aec7deb5365fbebce3a91bfe9cf31387a5bf326ace08d48b

SHA512
ee03f58b9a12e34735a0cf98ab4dd8cdc5f8006b657c6077aab457d6f7a585cd9bbe09309060d39764320122ecda85978dd8c4c5d6658f9089c4aeebab97614b

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/2020-179-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-180-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-252-0x0000000000400000-0x00000000005B0000-memory.dmp

Filesize
1.7MB

Download
memory/2020-251-0x0000000000620000-0x00000000006CE000-memory.dmp

Filesize
696KB

Download
memory/2020-250-0x0000000000620000-0x00000000006CE000-memory.dmp

Filesize
696KB

Download
memory/2020-161-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-192-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-191-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-190-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-189-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-188-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-187-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-186-0x0000000000400000-0x00000000005B0000-memory.dmp

Filesize
1.7MB

Download
memory/2020-185-0x0000000000620000-0x00000000006CE000-memory.dmp

Filesize
696KB

Download
memory/2020-184-0x0000000000620000-0x00000000006CE000-memory.dmp

Filesize
696KB

Download
memory/2020-160-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-181-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-183-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-182-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-173-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-178-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-177-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-176-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-175-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-174-0x00000000006B6000-0x00000000006E2000-memory.dmp

Filesize
176KB

Download
memory/2020-162-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-172-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-171-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-170-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-169-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-168-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-167-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-156-0x0000000000000000-mapping.dmp

Download
memory/2020-158-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-166-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-159-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-164-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2020-163-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-143-0x0000000000650000-0x000000000079A000-memory.dmp

Filesize
1.3MB

Download
memory/2968-119-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-139-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-123-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-121-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-155-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/2968-154-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-153-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-152-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-151-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-150-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-149-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-148-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-147-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-146-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-145-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/2968-144-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/2968-118-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-124-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-142-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-141-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-140-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-138-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-137-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-136-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-135-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-134-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-132-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-131-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-130-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-129-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-122-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-120-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-128-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-127-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-126-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2968-125-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download