vidar | hxxp://zerit[.]top/dl/build2[.]exe

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
22/05/2022, 20:27

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General

Target
http://zerit.top/dl/build2.exe
Sample220522-y8nsbsecfl

Score

10^/10

vidar 517 discovery spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

52.1

Botnet

https://t.me/verstappenf1r
https://climatejustice.social/@ronxik312

Attributes

profile_id
517

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

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/1332-134-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar
behavioral2/memory/1332-137-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar
behavioral2/memory/1788-138-0x0000000000950000-0x0000000000999000-memory.dmp	family_vidar
behavioral2/memory/1332-139-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar
behavioral2/memory/1332-140-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1788	build2.exe
1332	build2.exe

Loads dropped DLL 2 IoCs

pid	Process
1332	build2.exe
1332	build2.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
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1788 set thread context of 1332	1788	build2.exe	89

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	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = a3c96f6a9050d801	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\RepId	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30961178"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d44f7c908017924dbb36ebe98e677ce100000000020000000000106600000001000020000000ce287685d1049859fd929fbc9d405fd7736b70ced0311f38df75058894188c1b000000000e800000000200002000000072cdd6ce632434756fd04daff92fada514b9ab2b7cc054a76c5cc569d7aa999920000000a5ff8627c1a355cb25de6060e0e812d98aa79987a65be67e9e0e724927f20d1940000000966d653c58688cb5fcf28307473cac0d352b3f0e783d43b47321198b675ded2afe65fed3a9c3f02981f61cfe9b7a34ce453e1f2182b767fe3cc4315501706cf4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{DAE29AA8-B9CD-49CB-B3DD-C06D1EC65DF1}"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1935083009"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0f6fc741a6ed801	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9EFB3EC2-DA0D-11EC-AD90-76C19ED5575B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1935083009"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30961178"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0b101751a6ed801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "360016233"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d44f7c908017924dbb36ebe98e677ce10000000002000000000010660000000100002000000089160049604dac53f7f956e70b2d7e97c0162db5e8ade2c42ef34c7a8f59f700000000000e8000000002000020000000f0f90a2a48c82e36dd74ca3f0b6194487c5f00f19a2718beb24de93e5d5a8f52200000009f497c4323854dcb460d0e8459ead6a3f145c8f3dd6edce7fe10dfa28016d8db4000000068c151fd9d96a3991a02f1fcffc0dcc6884f6e195be95a8d03adeeabd064bc0d4af2dabfa77a6b8cae53723bb37d927c063c41d0a190af04e0ce4afc1bc296d0	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1332	build2.exe
1332	build2.exe
1332	build2.exe
1332	build2.exe
1332	build2.exe
1332	build2.exe
1332	build2.exe
1332	build2.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4052	iexplore.exe
4052	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4052	iexplore.exe
4052	iexplore.exe
5008	IEXPLORE.EXE
5008	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 5008	4052	iexplore.exe	79
PID 4052 wrote to memory of 5008	4052	iexplore.exe	79
PID 4052 wrote to memory of 5008	4052	iexplore.exe	79
PID 4052 wrote to memory of 1788	4052	iexplore.exe	87
PID 4052 wrote to memory of 1788	4052	iexplore.exe	87
PID 4052 wrote to memory of 1788	4052	iexplore.exe	87
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89
PID 1788 wrote to memory of 1332	1788	build2.exe	89

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://zerit.top/dl/build2.exe
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4052 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:5008
- C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe
  "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:1332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

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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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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build2.exe

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe
Size 367KB
SHA256 aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f
MD5 3107999f9600f5f2bc88e17282da2773
SHA1 8862f9551fdb7dc30e135c556751b973f441e7b4
SHA512 50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338
SSDEEP 6144:E8jyD2n95U1C2gLuEF1sCVHdyt3B0KT9e574f7l1T7YGTeeuewu8o:HW2roC2gLuxCV+3HT9e5aYGTexeD
MD5 SHA1 SHA512 SSDEEP

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build2.exe

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe
Size 367KB
SHA256 aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f
MD5 3107999f9600f5f2bc88e17282da2773
SHA1 8862f9551fdb7dc30e135c556751b973f441e7b4
SHA512 50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338
SSDEEP 6144:E8jyD2n95U1C2gLuEF1sCVHdyt3B0KT9e574f7l1T7YGTeeuewu8o:HW2roC2gLuxCV+3HT9e5aYGTexeD
MD5 SHA1 SHA512 SSDEEP

Submit Download

build2.exe.9g5j6fk.partial

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VJX7YH7\build2.exe.9g5j6fk.partial
Size 367KB
SHA256 aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f
MD5 3107999f9600f5f2bc88e17282da2773
SHA1 8862f9551fdb7dc30e135c556751b973f441e7b4
SHA512 50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338
SSDEEP 6144:E8jyD2n95U1C2gLuEF1sCVHdyt3B0KT9e574f7l1T7YGTeeuewu8o:HW2roC2gLuxCV+3HT9e5aYGTexeD
MD5 SHA1 SHA512 SSDEEP

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memory/1332-137-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/1332-134-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/1332-139-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/1332-140-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/1332-141-0x0000000060900000-0x0000000060992000-memory.dmp

Download

memory/1788-138-0x0000000000950000-0x0000000000999000-memory.dmp

Download

memory/1788-136-0x00000000004F7000-0x0000000000521000-memory.dmp

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