vidar | 4c8b1c9ed7ba0d921b0971a3e5de96bfdb3b18024e8880c7aaa2759f13c01316

General

Target

oracleSuper.exe
Size

6.3MB
MD5

cd7754cff6dfeea0b5d8bb51abe32d7d
SHA1

dc88b17814ef892d1410b261b52e96684a7dd1b2
SHA256

4c8b1c9ed7ba0d921b0971a3e5de96bfdb3b18024e8880c7aaa2759f13c01316
SHA512

c0e9e8750b1a607ccd76033c2be7eee4447b199412206903c0012d3175357c27826ddb659c30382690428676978fe97d0bb9c19bc4df4fb53994937ef7adc659
SSDEEP

98304:Iqcn1rB4qecWyIFft+EGSB5Fgd41YQ6sFZ/Pee1R1+jIxnSLIJ7RC+aLW:IrBawEGmHQxq/2edcCSLGRCU

Score

10^/10

vidar 3ab0abf23bc38232529d79e3b78a588b credential_access discovery stealer

Malware Config

Extracted

Family

vidar

Version

10.4

Botnet

3ab0abf23bc38232529d79e3b78a588b

C2

https://steamcommunity.com/profiles/76561199735694209

https://t.me/puffclou

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Signatures

Detect Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/4548-57-0x0000000000F70000-0x00000000011B9000-memory.dmp	family_vidar_v7
behavioral2/memory/4548-71-0x0000000000F70000-0x00000000011B9000-memory.dmp	family_vidar_v7

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

Executes dropped EXE 2 IoCs

pid	Process
1512	livecall.exe
2644	livecall.exe

Loads dropped DLL 2 IoCs

pid	Process
1512	livecall.exe
2644	livecall.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 1832	2644	livecall.exe	86

System Location Discovery: System Language Discovery 1 TTPs 7 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	livecall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	livecall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oracleSuper.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

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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4408	timeout.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4112	oracleSuper.exe
4112	oracleSuper.exe
1512	livecall.exe
2644	livecall.exe
2644	livecall.exe
1832	cmd.exe
1832	cmd.exe
4548	explorer.exe
4548	explorer.exe
4548	explorer.exe
4548	explorer.exe
4548	explorer.exe
4548	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2644	livecall.exe
1832	cmd.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 1512	4112	oracleSuper.exe	84
PID 4112 wrote to memory of 1512	4112	oracleSuper.exe	84
PID 4112 wrote to memory of 1512	4112	oracleSuper.exe	84
PID 1512 wrote to memory of 2644	1512	livecall.exe	85
PID 1512 wrote to memory of 2644	1512	livecall.exe	85
PID 1512 wrote to memory of 2644	1512	livecall.exe	85
PID 2644 wrote to memory of 1832	2644	livecall.exe	86
PID 2644 wrote to memory of 1832	2644	livecall.exe	86
PID 2644 wrote to memory of 1832	2644	livecall.exe	86
PID 2644 wrote to memory of 1832	2644	livecall.exe	86
PID 1832 wrote to memory of 4548	1832	cmd.exe	95
PID 1832 wrote to memory of 4548	1832	cmd.exe	95
PID 1832 wrote to memory of 4548	1832	cmd.exe	95
PID 1832 wrote to memory of 4548	1832	cmd.exe	95
PID 1832 wrote to memory of 4548	1832	cmd.exe	95
PID 4548 wrote to memory of 768	4548	explorer.exe	98
PID 4548 wrote to memory of 768	4548	explorer.exe	98
PID 4548 wrote to memory of 768	4548	explorer.exe	98
PID 768 wrote to memory of 4408	768	cmd.exe	100
PID 768 wrote to memory of 4408	768	cmd.exe	100
PID 768 wrote to memory of 4408	768	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\oracleSuper.exe
"C:\Users\Admin\AppData\Local\Temp\oracleSuper.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Users\Admin\AppData\Local\Temp\localTask_v2\livecall.exe
  C:\Users\Admin\AppData\Local\Temp\localTask_v2\livecall.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Users\Admin\AppData\Roaming\localTask_v2\livecall.exe
    C:\Users\Admin\AppData\Roaming\localTask_v2\livecall.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1832
    - - C:\Windows\SysWOW64\explorer.exe
        
        C:\Windows\SysWOW64\explorer.exe
        5⤵
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4548
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\SysWOW64\explorer.exe" & rd /s /q "C:\ProgramData\BGHIDGCAFCBA" & exit
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:768
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 10
        7⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\583f54ed

Filesize
2.3MB

MD5
347aece59c5627418e5dbac7459b58b4

SHA1
f5e15828245f184b661c47dc556e33d21baedc64

SHA256
f5882908b77dddc2adb94cf13f10f2c0186374d4ee8025131d7d922b0b9c184f

SHA512
e86cc783cb5622463da29b6ea9cb726c6e174acb206217ac0af982dddf90d1e70ea6ada7c194ef217f6cabb4d54cebe156f120c6136c2666e32d6aebd09e0c26

Download Submit
C:\Users\Admin\AppData\Local\Temp\5ff6cd47

Filesize
917KB

MD5
d90ca501655c2f1f7336f841c9934dc5

SHA1
0d2b1f0f9ac52e015dcf8c8a5b0af6379d7d6929

SHA256
aa4d5239ba314fd7f0b274616e6580f2e295dd04774115691fc1063203edce98

SHA512
3d6369e2c43e36ecd8072781237c7e3261fdae2231380a9e6f2ebeeaba311782b1d6909935e7ed5f3601bf688707296b05caabbb0d3f2ff2beb08816e9c5bd53

Download Submit
C:\Users\Admin\AppData\Local\Temp\localTask_v2\foramen.flv

Filesize
779KB

MD5
698ab9779a752c547148e9f49b3a9882

SHA1
670a9caaef0fd226e535434b43c7358832a17b38

SHA256
8f086ae53bdab26e2988e89af32258ec1aaab6f5e8c6024ca7437cdc48238802

SHA512
769ed2af3cae5e319c6e4ef8cca9f3051ff35f84cd477f006afabb55cc470e72378f785b9c6f4180348a387a0124058a2b58915d29c45a548dd09c28b890efd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\localTask_v2\fuel.log

Filesize
39KB

MD5
06359a574d89ea3beef13f28bb8e0200

SHA1
c0c502e7bdc59990386e364364e86bba9d60f7a6

SHA256
b4e8c2e4125e0d282424ace74d65610c4cac3c9d3be75b09cac46f1004cec853

SHA512
cdf1151d0ee20be0fa54779d0a83147033b7e23f9ee8d1911c614316491a64980d8284d3e4171ac60ac3b8a2e240c20235a80e19f6c4a14ab6a5b14a931a63ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\localTask_v2\livecall.exe

Filesize
293KB

MD5
d9602ab0e6370519bd54d13d22dd6ef5

SHA1
95a3a7afdb00e1b2a99fddfe5d3203aa5cd4a09d

SHA256
63ec17feda1f0ea80e0dd7b7938fbf7354aedf8d9f4041543afca9a35337f7bf

SHA512
4587ca630bf5e421e48d5ac7f9ac6866000b06a99d89c1ca31c999414a63ba06a6be2e11467c045b0e2cddb21d792342e69977e6abda6e265b91044e2c8007cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\localTask_v2\msidcrl40.dll

Filesize
791KB

MD5
e3706fae1e25735c63015193f9e63bf0

SHA1
827c5c63d38010584e38f4fb0b1f061c231ad893

SHA256
6e693c426c2bcf7e34713dd36b0fcbbf3a2f323cb10d95e765920cd9b2fccd80

SHA512
37ae67b9dd5a898cf8aa4de40f2c4940d7b7f9590f214551bcc5ffbbacf1b4fd454b8382d0c345d8dd2254e7f756189dedbd1a5c1db15e6a01a43d8e87f7c9a2

Download Submit
memory/1512-29-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/1512-28-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/1832-49-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/1832-48-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/1832-50-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/1832-51-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/1832-55-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/2644-41-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/2644-45-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/2644-42-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/2644-43-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/4112-19-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/4112-44-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/4112-20-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/4112-1-0x0000000000E80000-0x00000000014D0000-memory.dmp

Filesize
6.3MB

Download
memory/4112-18-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/4112-9-0x00000000748F2000-0x00000000748F4000-memory.dmp

Filesize
8KB

Download
memory/4112-8-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/4112-7-0x00000000748E0000-0x0000000074A5B000-memory.dmp

Filesize
1.5MB

Download
memory/4548-56-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/4548-57-0x0000000000F70000-0x00000000011B9000-memory.dmp

Filesize
2.3MB

Download
memory/4548-71-0x0000000000F70000-0x00000000011B9000-memory.dmp

Filesize
2.3MB

Download

Analysis

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