vidar | a5483d1124967a58176f75409270ba071fe0f2f337ffd3b106659852565502f0

General

Target

a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe
Size

544KB
MD5

a945644533a405a16423fbf5b9a37069
SHA1

30b820799eb4e5e5421ef14cd3f2a87f8288fe46
SHA256

a5483d1124967a58176f75409270ba071fe0f2f337ffd3b106659852565502f0
SHA512

40f82c67d52b1b960d1097cdbc6801d2f5ba3dd20ac62d8dd3055aaf55392744c9e4a4b595fb62d37f69ca7a833158e2c15e36e1c3a53e3576a4a6326ead18ed
SSDEEP

12288:V2VRggveXe6UvZRLGkWVx30BwQTvwAW8aLlcCO1Xnmi:V2VygmZYZRL8xiwQzW8TXmi

Score

10^/10

vidar 916 discovery stealer

Malware Config

Extracted

Family

vidar

Version

40

Botnet

916

C2

https://lenak513.tumblr.com/

Attributes

profile_id
916

Signatures

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

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral1/memory/1656-2-0x0000000004510000-0x00000000045AD000-memory.dmp	family_vidar
behavioral1/memory/1656-3-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1656-59-0x0000000004510000-0x00000000045AD000-memory.dmp	family_vidar
behavioral1/memory/1656-60-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1656-57-0x0000000000400000-0x0000000002CBE000-memory.dmp	family_vidar

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2684	1656	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 0f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030853000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c00b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2684	1656	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe	29
PID 1656 wrote to memory of 2684	1656	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe	29
PID 1656 wrote to memory of 2684	1656	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe	29
PID 1656 wrote to memory of 2684	1656	a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 888
  2⤵
  - Program crash
  PID:2684

Network

DNS

lenak513.tumblr.com

a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe

Remote address:

8.8.8.8:53

Request

lenak513.tumblr.com

IN A

Response

lenak513.tumblr.com

IN A

74.114.154.22

lenak513.tumblr.com

IN A

74.114.154.18
GET

https://lenak513.tumblr.com/

a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe

Remote address:

74.114.154.22:443

Request

GET / HTTP/1.1
Host: lenak513.tumblr.com

Response

HTTP/1.1 404 Not Found

Server: nginx
Date: Wed, 27 Nov 2024 19:17:56 GMT
Content-Type: text/html
Content-Length: 4306
Connection: keep-alive
Vary: Accept-Encoding
ETag: "67166be3-10d2"
DNS

www.microsoft.com

Remote address:

8.8.8.8:53

Request

www.microsoft.com

IN A

Response

www.microsoft.com

IN CNAME

www.microsoft.com-c-3.edgekey.net

www.microsoft.com-c-3.edgekey.net

IN CNAME

www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net

www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net

IN CNAME

e13678.dscb.akamaiedge.net

e13678.dscb.akamaiedge.net

IN A

173.222.13.219
GET

http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

Remote address:

173.222.13.219:80

Request

GET /pkiops/crl/MicCodSigPCA2011_2011-07-08.crl HTTP/1.1
Connection: Keep-Alive
Accept: */*
If-Modified-Since: Sun, 18 Aug 2024 00:23:49 GMT
User-Agent: Microsoft-CryptoAPI/6.1
Host: www.microsoft.com

Response

HTTP/1.1 200 OK

Content-Length: 1078
Content-Type: application/octet-stream
Content-MD5: PjrtHAukbJio72s77Ag5mA==
Last-Modified: Thu, 31 Oct 2024 23:26:09 GMT
ETag: 0x8DCFA0366D6C4CA
x-ms-request-id: 6b64e012-e01e-0050-2e21-2c95ba000000
x-ms-version: 2009-09-19
x-ms-lease-status: unlocked
x-ms-blob-type: BlockBlob
Date: Wed, 27 Nov 2024 19:18:26 GMT
Connection: keep-alive
TLS_version: UNKNOWN
ms-cv: CASMicrosoftCV37cb658e.0
ms-cv-esi: CASMicrosoftCV37cb658e.0
X-RTag: RT

74.114.154.22:443

https://lenak513.tumblr.com/

tls, http

a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe

864 B
8.4kB
11
12

HTTP Request

GET https://lenak513.tumblr.com/

HTTP Response

404
173.222.13.219:80

http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

http

393 B
1.7kB
4
4

HTTP Request

GET http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

HTTP Response

200

8.8.8.8:53

lenak513.tumblr.com

dns

a945644533a405a16423fbf5b9a37069_JaffaCakes118.exe

65 B
97 B
1
1

DNS Request

lenak513.tumblr.com

DNS Response

74.114.154.22

74.114.154.18
8.8.8.8:53

www.microsoft.com

dns

63 B
230 B
1
1

DNS Request

www.microsoft.com

DNS Response

173.222.13.219

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab63D4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6415.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1656-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

Filesize
1024KB

Download
memory/1656-2-0x0000000004510000-0x00000000045AD000-memory.dmp

Filesize
628KB

Download
memory/1656-3-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1656-59-0x0000000004510000-0x00000000045AD000-memory.dmp

Filesize
628KB

Download
memory/1656-58-0x0000000002E80000-0x0000000002F80000-memory.dmp

Filesize
1024KB

Download
memory/1656-60-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1656-57-0x0000000000400000-0x0000000002CBE000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response