vidar | 1d4999768c08d43e6bb91df7d1e2d9903c23d06020b1f24dbe8d6b516a29b393

General

Target

2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe
Size

19.8MB
MD5

7864deaa9953329b0a490dbab14fb98f
SHA1

2264b7e1bd13754089844b82a363a243e9b2219e
SHA256

1d4999768c08d43e6bb91df7d1e2d9903c23d06020b1f24dbe8d6b516a29b393
SHA512

8dbf600e86ff2e19c685e040b6120b227f8726c1f38a31e1100f4cb27b8b58b711379838a9f63436a3921e97567f8e393ac0993b14e874af74d9ea2f27ba625d
SSDEEP

49152:uALO5Ug0R4rbJv9iveDrquwzSN4lj3Gn2UQflFUUWxgRgPW2OVN3Pf4pJkKx6G6v:uAa5UPRI7ive/w8nZST/koD

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral1/memory/2904-1-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral1/memory/2904-2-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral1/memory/2904-3-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral1/memory/2904-137-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral1/memory/2904-138-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral1/memory/2904-193-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
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 2412 set thread context of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31

System Location Discovery: System Language Discovery 1 TTPs 4 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	BitLockerToGo.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	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.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	BitLockerToGo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2980	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2904	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2412 wrote to memory of 2904	2412	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	31
PID 2904 wrote to memory of 1548	2904	BitLockerToGo.exe	33
PID 2904 wrote to memory of 1548	2904	BitLockerToGo.exe	33
PID 2904 wrote to memory of 1548	2904	BitLockerToGo.exe	33
PID 2904 wrote to memory of 1548	2904	BitLockerToGo.exe	33
PID 1548 wrote to memory of 2980	1548	cmd.exe	35
PID 1548 wrote to memory of 2980	1548	cmd.exe	35
PID 1548 wrote to memory of 2980	1548	cmd.exe	35
PID 1548 wrote to memory of 2980	1548	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe" & rd /s /q "C:\ProgramData\N79HDJWBSJMY" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1548
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2980

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
90218c4d698e067874fe7302f798c3f5

SHA1
a8e045906cfef941ccb0ebc196ce012e887097e5

SHA256
ca45e255289f2d6e02ec388b2610fe9010120394bad9f3d2e41e7b350c38b5b0

SHA512
fb297610529de77bd683589d87a2ba7bcbe6be1e3075b17ead5e48df9886e6935120bc2060780825c47406ce288995531e661aa97a7a2b32537eb277ba98e6d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3A73.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3A95.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2904-0-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2904-1-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2904-2-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2904-3-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2904-137-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2904-138-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2904-193-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download

Analysis

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