vidar | c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20/05/2022, 06:55

Sharing

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General

Target
c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
Size 1.5MB
Sample220520-hpsdeaefg2
SHA256 c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc
MD5 879bdb1fc2d0cbb8f7882345063f045c
SHA1 d2f59f783b1126df4b3c1d5f70ad7b173685a02f
SHA512 aaa8c62adb2a72a64b349b5b03cb55a1d5dde10419ad372808235191a8e1a726fec71f11b4fcc235a65e43bd7e413139585ac2dbe43f5c3ee21639768ae27eba
MD5 SHA1 SHA512

Score

10^/10

vidar 1326 spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

52.2

Botnet

1326

https://t.me/netflixaccsfree
https://mastodon.social/@ronxik12

Attributes

profile_id
1326

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/1596-136-0x0000000000400000-0x0000000000453000-memory.dmp	family_vidar
behavioral2/memory/1596-137-0x0000000000400000-0x0000000000453000-memory.dmp	family_vidar
behavioral2/memory/1596-138-0x0000000000400000-0x0000000000453000-memory.dmp	family_vidar
behavioral2/memory/1596-139-0x0000000000400000-0x0000000000453000-memory.dmp	family_vidar

Loads dropped DLL 2 IoCs

pid	Process
1596	InstallUtil.exe
1596	InstallUtil.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4900 set thread context of 1596	4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe	87

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	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	InstallUtil.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
884	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4792	taskkill.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
1596	InstallUtil.exe
1596	InstallUtil.exe
1596	InstallUtil.exe
1596	InstallUtil.exe
1596	InstallUtil.exe
1596	InstallUtil.exe
1596	InstallUtil.exe
1596	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4792	taskkill.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 1596	4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe	87
PID 4900 wrote to memory of 1596	4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe	87
PID 4900 wrote to memory of 1596	4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe	87
PID 4900 wrote to memory of 1596	4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe	87
PID 4900 wrote to memory of 1596	4900	c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe	87
PID 1596 wrote to memory of 2688	1596	InstallUtil.exe	88
PID 1596 wrote to memory of 2688	1596	InstallUtil.exe	88
PID 1596 wrote to memory of 2688	1596	InstallUtil.exe	88
PID 2688 wrote to memory of 4792	2688	cmd.exe	90
PID 2688 wrote to memory of 4792	2688	cmd.exe	90
PID 2688 wrote to memory of 4792	2688	cmd.exe	90
PID 2688 wrote to memory of 884	2688	cmd.exe	91
PID 2688 wrote to memory of 884	2688	cmd.exe	91
PID 2688 wrote to memory of 884	2688	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
"C:\Users\Admin\AppData\Local\Temp\c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im InstallUtil.exe /f & timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & del C:\ProgramData\*.dll & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im InstallUtil.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:4792
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

freebl3.dll

Path C:\ProgramData\freebl3.dll
Size 326KB
SHA256 a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
MD5 ef2834ac4ee7d6724f255beaf527e635
SHA1 5be8c1e73a21b49f353c2ecfa4108e43a883cb7b
SHA512 c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2
SSDEEP 6144:C8YBC2NpfYjGg7t5xb7WOBOLFwh8yGHrIrvqqDL6XPowD:CbG7F35BVh8yIZqn65D
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 133KB
SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
MD5 8f73c08a9660691143661bf7332c3c27
SHA1 37fa65dd737c50fda710fdbde89e51374d0c204a
SHA512 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
SSDEEP 3072:7Gyzk/x2Wp53pUzPoNpj/kVghp1qt/dXDyp4D2JJJvPhrSeTuk:6yQ2Wp53iO/kVghp12/dXDyyD2JJJvPR
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 133KB
SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
MD5 8f73c08a9660691143661bf7332c3c27
SHA1 37fa65dd737c50fda710fdbde89e51374d0c204a
SHA512 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
SSDEEP 3072:7Gyzk/x2Wp53pUzPoNpj/kVghp1qt/dXDyp4D2JJJvPhrSeTuk:6yQ2Wp53iO/kVghp12/dXDyyD2JJJvPR
MD5 SHA1 SHA512 SSDEEP

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msvcp140.dll

Path C:\ProgramData\msvcp140.dll
Size 429KB
SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
MD5 109f0f02fd37c84bfc7508d4227d7ed5
SHA1 ef7420141bb15ac334d3964082361a460bfdb975
SHA512 46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
SSDEEP 12288:Mlp4PwrPTlZ+/wKzY+dM+gjZ+UGhUgiW6QR7t5s03Ooc8dHkC2es9oV:Mlp4PePozGMA03Ooc8dHkC2ecI
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 1.2MB
SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
MD5 bfac4e3c5908856ba17d41edcd455a51
SHA1 8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA512 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
SSDEEP 24576:Sb5zzlswYNYLVJAwfpeYQ1Dw/fEE8DhSJVIVfRyAkgO6S/V/jbHpls4MSRSMxkoo:4zW5ygDwnEZIYkjgWjblMSRSMqH
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 1.2MB
SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
MD5 bfac4e3c5908856ba17d41edcd455a51
SHA1 8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA512 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
SSDEEP 24576:Sb5zzlswYNYLVJAwfpeYQ1Dw/fEE8DhSJVIVfRyAkgO6S/V/jbHpls4MSRSMxkoo:4zW5ygDwnEZIYkjgWjblMSRSMqH
MD5 SHA1 SHA512 SSDEEP

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softokn3.dll

Path C:\ProgramData\softokn3.dll
Size 141KB
SHA256 43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083
MD5 a2ee53de9167bf0d6c019303b7ca84e5
SHA1 2a3c737fa1157e8483815e98b666408a18c0db42
SHA512 45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8
SSDEEP 3072:UAf6suip+d7FEk/oJz69sFaXeu9CoT2nIVFetBWsqeFwdMIo:p6PbsF4CoT2OeU4SMB
MD5 SHA1 SHA512 SSDEEP

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vcruntime140.dll

Path C:\ProgramData\vcruntime140.dll
Size 81KB
SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
MD5 7587bf9cb4147022cd5681b015183046
SHA1 f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA512 0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
SSDEEP 1536:AQXQNgAuCDeHFtg3uYQkDqiVsv39niI35kU2yecbVKHHwhbfugbZyk:AQXQNVDeHFtO5d/A39ie6yecbVKHHwJF
MD5 SHA1 SHA512 SSDEEP

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memory/1596-137-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/1596-138-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/1596-139-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/1596-140-0x0000000060900000-0x0000000060992000-memory.dmp

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memory/1596-134-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/1596-136-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/4900-131-0x000000000C410000-0x000000000C78B000-memory.dmp

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memory/4900-132-0x000000000C410000-0x000000000C78B000-memory.dmp

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memory/4900-130-0x0000000002708000-0x0000000002883000-memory.dmp

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