vidar | fa7f5b950d340ec4da7c437fe32031f22985034130cec41e7fd7f55c80778f38

General

Target

ab292ca19cdf082ca574079c509ac729.exe
Size

750KB
MD5

ab292ca19cdf082ca574079c509ac729
SHA1

dedb710717bd0f77afb43b3e4d35c7a38d432ad0
SHA256

fa7f5b950d340ec4da7c437fe32031f22985034130cec41e7fd7f55c80778f38
SHA512

403bae833e8057a286b23ab9eaccc3be9e2d4eb295ebfd65af6d7bfbd9e8ef1d1e29015c80b13068806495e5979ef20f207fe6d76b3521bc02f7c0e80adeff89
SSDEEP

12288:tkBuS8FtXOsOr7tIShXIxy2CKrXbVExkSxOZuX86JY1oowOZ6XxAiVrjJgostV2a:trN0f7Sagy2TrXbV8kSs8XfeXv6T7YHP

Score

10^/10

vidar 921 stealer

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2728-7-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2728-10-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2728-11-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2728-69-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

ab292ca19cdf082ca574079c509ac729.exe

description pid process target process

PID 1392 set thread context of 2728 1392 ab292ca19cdf082ca574079c509ac729.exe ab292ca19cdf082ca574079c509ac729.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1784 2728 WerFault.exe ab292ca19cdf082ca574079c509ac729.exe

description	pid	process	target process
PID 1392 set thread context of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe

pid	pid_target	process	target process
1784	2728	WerFault.exe	ab292ca19cdf082ca574079c509ac729.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

ab292ca19cdf082ca574079c509ac729.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	ab292ca19cdf082ca574079c509ac729.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 0f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030853000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c00b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	ab292ca19cdf082ca574079c509ac729.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	ab292ca19cdf082ca574079c509ac729.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ab292ca19cdf082ca574079c509ac729.exe

description pid process

Token: SeDebugPrivilege 1392 ab292ca19cdf082ca574079c509ac729.exe

description	pid	process
Token: SeDebugPrivilege	1392	ab292ca19cdf082ca574079c509ac729.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

ab292ca19cdf082ca574079c509ac729.exeab292ca19cdf082ca574079c509ac729.exe

description	pid	process	target process
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 1392 wrote to memory of 2728	1392	ab292ca19cdf082ca574079c509ac729.exe	ab292ca19cdf082ca574079c509ac729.exe
PID 2728 wrote to memory of 1784	2728	ab292ca19cdf082ca574079c509ac729.exe	WerFault.exe
PID 2728 wrote to memory of 1784	2728	ab292ca19cdf082ca574079c509ac729.exe	WerFault.exe
PID 2728 wrote to memory of 1784	2728	ab292ca19cdf082ca574079c509ac729.exe	WerFault.exe
PID 2728 wrote to memory of 1784	2728	ab292ca19cdf082ca574079c509ac729.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe
"C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe
C:\Users\Admin\AppData\Local\Temp\ab292ca19cdf082ca574079c509ac729.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 844
3⤵
- Program crash
PID:1784

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD282.tmp
Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
memory/1392-6-0x0000000000710000-0x0000000000738000-memory.dmp

Filesize
160KB

Download
memory/1392-3-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1392-4-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/1392-5-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1392-0-0x0000000001090000-0x000000000114E000-memory.dmp

Filesize
760KB

Download
memory/1392-9-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/1392-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1392-1-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-7-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2728-10-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2728-11-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2728-69-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads