vidar | 3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8

General

Target

3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe
Size

1.5MB
MD5

d3103cc4ac56431453b9c22a2177e374
SHA1

3e794d4184f864d4c8619de4ed3dec17f2cd4422
SHA256

3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8
SHA512

3f8f22cada114e8a678bc899e27f928c6de14b5559d95f63db30e0eccf48425052219de48c4e68365b24d7b54397141275e9ee86d20a333fe55e11a3b0da24fb
SSDEEP

49152:5Bwu3RdHpvfGUPdf3nHsBA3Q+Ky6dmIGx8:5Bwu3F9x3M6dKynIGx8

Score

10^/10

vidar 7d75730f00face372e777892b477d0e5 stealer

Malware Config

Extracted

Family

vidar

Version

7.7

Botnet

7d75730f00face372e777892b477d0e5

C2

https://t.me/newagev

https://steamcommunity.com/profiles/76561199631487327

Attributes

profile_id_v2
7d75730f00face372e777892b477d0e5

Signatures

Detect Vidar Stealer 9 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2920-5-0x0000000003150000-0x000000000326B000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-23-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-21-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-28-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-27-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-22-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-19-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-81-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-92-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Executes dropped EXE 1 IoCs

Processes:

kat931B.tmp

pid process

1728 kat931B.tmp

pid	process
1728	kat931B.tmp

Loads dropped DLL 9 IoCs

Processes:

3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exeWerFault.exe

pid	process
2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe
2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe
2888	WerFault.exe
2888	WerFault.exe
2888	WerFault.exe
2888	WerFault.exe
2888	WerFault.exe
2888	WerFault.exe
2888	WerFault.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe

description	pid	process	target process
PID 2920 set thread context of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2888 1728 WerFault.exe kat931B.tmp

pid	pid_target	process	target process
2888	1728	WerFault.exe	kat931B.tmp

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

kat931B.tmp

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	kat931B.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat931B.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a	kat931B.tmp

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exekat931B.tmp

description	pid	process	target process
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 2920 wrote to memory of 1728	2920	3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe	kat931B.tmp
PID 1728 wrote to memory of 2888	1728	kat931B.tmp	WerFault.exe
PID 1728 wrote to memory of 2888	1728	kat931B.tmp	WerFault.exe
PID 1728 wrote to memory of 2888	1728	kat931B.tmp	WerFault.exe
PID 1728 wrote to memory of 2888	1728	kat931B.tmp	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe
"C:\Users\Admin\AppData\Local\Temp\3f1c1dd448330e147ee034c1909eda828338df37dd1f97f0ee922b455190bad8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2920

C:\Users\Admin\AppData\Local\Temp\kat931B.tmp
C:\Users\Admin\AppData\Local\Temp\kat931B.tmp
2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 1416
3⤵
- Loads dropped DLL
- Program crash
PID:2888

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9C66.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\kat931B.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/1728-28-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-18-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-16-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-23-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-21-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-92-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-27-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-81-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-22-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-19-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1728-13-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2920-5-0x0000000003150000-0x000000000326B000-memory.dmp

Filesize
1.1MB

Download
memory/2920-3-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000000400000-0x000000000058D000-memory.dmp

Filesize
1.6MB

Download
memory/2920-25-0x0000000000400000-0x000000000058D000-memory.dmp

Filesize
1.6MB

Download
memory/2920-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads