99262ab91de9e9ddcab93e1f3f67cf356cbdb11bff959a05a51abbe1562f2366

General

Target

PID Key Checker/wyUpdate.exe
Size

434KB
MD5

37c753d5ab2dba14e7b7e1dc56b87c27
SHA1

d6dfd70d391c4814ce8c4f2e8bf0c41e7deed1ee
SHA256

aa71c676499260ed07b6b0e54aff155ad8e46b49aee933e90b5ff4dd098aadb6
SHA512

0c96bfad6192c6a6d652ff7d4bd93bb13d7fd27e6ccc9a6200c235c833e5340d8e6d8f10937396a9c39b06dbb41a27348d031d55e3b8baa50cdcacaaffff41db
SSDEEP

6144:YFnJRm+efxgsQWc2m8snsIa9rRLKX5Z1BfZ9e58UoEFXtf79VMUHZZgBRflKXB:YFnXmrsWcRIKf1sNo+gUHZmVsR

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
12	raw.githubusercontent.com
13	raw.githubusercontent.com
14	raw.githubusercontent.com
15	raw.githubusercontent.com
16	raw.githubusercontent.com

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46	wyUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 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	wyUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 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	wyUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 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	wyUpdate.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
860	wyUpdate.exe

C:\Users\Admin\AppData\Local\Temp\PID Key Checker\wyUpdate.exe
"C:\Users\Admin\AppData\Local\Temp\PID Key Checker\wyUpdate.exe"
1⤵
- Modifies system certificate store
- Suspicious behavior: GetForegroundWindowSpam
PID:860

Network

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

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab1E7B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1E8D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/860-0-0x000007FEF615E000-0x000007FEF615F000-memory.dmp

Filesize
4KB

Download
memory/860-1-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

Filesize
9.6MB

Download
memory/860-56-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

Filesize
9.6MB

Download
memory/860-73-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

Filesize
9.6MB

Download
memory/860-74-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

Filesize
9.6MB

Download
memory/860-75-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

Filesize
9.6MB

Download
memory/860-76-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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