vidar | f218ff57753dedadb3cdd2d616fe802cc336031629d10e9c6b07e0e7a4e04a81

General

Target

JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe
Size

2.9MB
MD5

71683ed2086bceb4febaa870ff3dc90b
SHA1

add97aa9fb26f64c81df5df1b932f0bff630525c
SHA256

f218ff57753dedadb3cdd2d616fe802cc336031629d10e9c6b07e0e7a4e04a81
SHA512

38fde3cc45ec175414ec318a519b9e8f8a9af05bef6b44a920ec89b77e3dbfc80d107d30d733c3caefdbbc0a6a8f071473d149ce9c563c759001aeb9931b0b19
SSDEEP

49152:RXy2gkTkvSaY0q8/df24onCU6qmS3W6bts/OYTDJVV9M+XcwDhC3Mlb:I2dTcSa+8/N2+1oBb6/rTD/PM9wDM

Score

10^/10

vidar 932 discovery evasion stealer trojan

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

932

C2

https://mas.to/@sslam

Attributes

profile_id
932

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/2188-3-0x0000000000400000-0x0000000000B40000-memory.dmp	family_vidar
behavioral1/memory/2188-4-0x0000000000400000-0x0000000000B40000-memory.dmp	family_vidar
behavioral1/memory/2188-19-0x0000000000400000-0x0000000000B40000-memory.dmp	family_vidar
behavioral1/memory/2188-22-0x0000000000400000-0x0000000000B40000-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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2188	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	2188	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2188	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2904	2188	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe	32
PID 2188 wrote to memory of 2904	2188	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe	32
PID 2188 wrote to memory of 2904	2188	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe	32
PID 2188 wrote to memory of 2904	2188	JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71683ed2086bceb4febaa870ff3dc90b.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 1336
  2⤵
  - Program crash
  PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2188-0-0x0000000000400000-0x0000000000B40000-memory.dmp

Filesize
7.2MB

Download
memory/2188-1-0x0000000077990000-0x0000000077992000-memory.dmp

Filesize
8KB

Download
memory/2188-2-0x0000000000400000-0x0000000000B40000-memory.dmp

Filesize
7.2MB

Download
memory/2188-3-0x0000000000400000-0x0000000000B40000-memory.dmp

Filesize
7.2MB

Download
memory/2188-4-0x0000000000400000-0x0000000000B40000-memory.dmp

Filesize
7.2MB

Download
memory/2188-5-0x0000000000401000-0x00000000004BA000-memory.dmp

Filesize
740KB

Download
memory/2188-19-0x0000000000400000-0x0000000000B40000-memory.dmp

Filesize
7.2MB

Download
memory/2188-22-0x0000000000400000-0x0000000000B40000-memory.dmp

Filesize
7.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads