vidar | 5a226e5207d7ea2c0e14abb068268a55bc974bdfe17181f6982b92a0a7fedcf2

General

Target

c5bc645f578d60725e7c38b3ef9c8352.exe
Size

500KB
MD5

c5bc645f578d60725e7c38b3ef9c8352
SHA1

c1933c1befcd21acc807991c2d0de2e3637988b5
SHA256

5a226e5207d7ea2c0e14abb068268a55bc974bdfe17181f6982b92a0a7fedcf2
SHA512

9c07208f081f828becc0091232e908a7efa744647541f599d874e22a8b1b0a5297d4044c201996809af6fb17836bc2c0dc91671a528083f213a8b0202fffd1d6
SSDEEP

12288:xcgBxxOZuX86JY1oowOZ6XxAiVrjJgostVHUdG:1s8XfeXv6T7YH0dG

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/2840-8-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2840-7-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2840-4-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2840-62-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exe

description pid process target process

PID 1956 set thread context of 2840 1956 c5bc645f578d60725e7c38b3ef9c8352.exe c5bc645f578d60725e7c38b3ef9c8352.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2524 2840 WerFault.exe c5bc645f578d60725e7c38b3ef9c8352.exe

description	pid	process	target process
PID 1956 set thread context of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe

pid	pid_target	process	target process
2524	2840	WerFault.exe	c5bc645f578d60725e7c38b3ef9c8352.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	c5bc645f578d60725e7c38b3ef9c8352.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 1900000001000000100000002aa1c05e2ae606f198c2c5e937c97aa2030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e3491d00000001000000100000002e0d6875874a44c820912e85e964cfdb140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b40b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f00000053000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	c5bc645f578d60725e7c38b3ef9c8352.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	c5bc645f578d60725e7c38b3ef9c8352.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exe

description pid process

Token: SeDebugPrivilege 1956 c5bc645f578d60725e7c38b3ef9c8352.exe

description	pid	process
Token: SeDebugPrivilege	1956	c5bc645f578d60725e7c38b3ef9c8352.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exec5bc645f578d60725e7c38b3ef9c8352.exe

description	pid	process	target process
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1956 wrote to memory of 2840	1956	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 2840 wrote to memory of 2524	2840	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe
PID 2840 wrote to memory of 2524	2840	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe
PID 2840 wrote to memory of 2524	2840	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe
PID 2840 wrote to memory of 2524	2840	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe
"C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956

C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe
C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 872
3⤵
- Program crash
PID:2524

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\Local\Temp\Cab97BF.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar97E1.tmp
Filesize
92KB

MD5
71e4ce8b3a1b89f335a6936bbdafce4c

SHA1
6e0d450eb5f316a9924b3e58445b26bfb727001e

SHA256
a5edfae1527d0c8d9fe5e7a2c5c21b671e61f9981f3bcf9e8cc9f9bb9f3b44c5

SHA512
b80af88699330e1ff01e409daabdedeef350fe7d192724dfa8622afa71e132076144175f6e097f8136f1bba44c7cb30cfdd0414dbe4e0a4712b3bad7b70aeff7

Download Submit
memory/1956-0-0x00000000011D0000-0x0000000001250000-memory.dmp

Filesize
512KB

Download
memory/1956-1-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-2-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download
memory/1956-3-0x0000000000410000-0x0000000000424000-memory.dmp

Filesize
80KB

Download
memory/1956-6-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-8-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2840-7-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2840-4-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2840-62-0x0000000000400000-0x00000000004A1000-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