vidar | 4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40

Analysis

max time kernel
51s
max time network
59s
platform
windows7_x64
resource
win7-20220414-en
resource tags

arch:x64arch:x86image:win7-20220414-enlocale:en-usos:windows7-x64system
submitted
18-07-2022 09:38

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General

Target

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe
Size

376.1MB
MD5

02f8796facf43ac43e88251e248bdd6a
SHA1

e30cd6e687a5fa480e6273e5c5648ce8143e25e9
SHA256

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40
SHA512

9145dd598019b1a42988f5efe155a4e64a97b38165ebb6f9623418ec560a74732580e929ef8dd8e69306e49751a030fe8c5fe1cff5b5066208eb3c02fff3f0e2

Score

10^/10

vidar discovery evasion spyware stealer suricata themida trojan

Malware Config

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

Vidar Stealer 7 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1968-56-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar
behavioral1/memory/1968-57-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar
behavioral1/memory/1968-58-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar
behavioral1/memory/1968-60-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar
behavioral1/memory/1968-59-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar
behavioral1/memory/1968-61-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar
behavioral1/memory/1968-63-0x0000000000050000-0x000000000055E000-memory.dmp	family_vidar

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

Loads dropped DLL 2 IoCs

Processes:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

pid	process
1968	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe
1968	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.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

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1968-55-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-56-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-57-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-58-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-60-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-59-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-61-0x0000000000050000-0x000000000055E000-memory.dmp	themida
behavioral1/memory/1968-63-0x0000000000050000-0x000000000055E000-memory.dmp	themida

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

pid process

1968 4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.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:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

pid	process
1968	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe
1968	4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe

C:\Users\Admin\AppData\Local\Temp\4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe
"C:\Users\Admin\AppData\Local\Temp\4c1e9b5895afa60b277001df0b89ec7e7721b7831ca4f5fb354263251bd4cc40.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/1968-59-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-57-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-58-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-60-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-54-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1968-61-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-62-0x00000000774C0000-0x0000000077640000-memory.dmp

Filesize
1.5MB

Download
memory/1968-63-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-64-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1968-56-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download
memory/1968-55-0x0000000000050000-0x000000000055E000-memory.dmp

Filesize
5.1MB

Download