ea99dcd1056678080dee00a3a90af8a0e76aadae4750d01a153aa9b55ef06835

General

Target

90351457a8a62c45119416f5a9bcc04f_JaffaCakes118.exe
Size

500KB
MD5

90351457a8a62c45119416f5a9bcc04f
SHA1

8d1146c99649e323a6d695126454ddd6ec5f86a5
SHA256

ea99dcd1056678080dee00a3a90af8a0e76aadae4750d01a153aa9b55ef06835
SHA512

926e386029cd04e6a4f550d61ac0e4f89e940bab1738605ddd372168a60a957c563532dc1f174a26c8e0a2b50b5d297beefa0195b3cd9caee44c4171d74193d2
SSDEEP

12288:T1OgLdaWmKqU3olH+lhQ6eAa6g+keW88v7vpM/HJ:T1OYdaZKPoB+PQ1KkeW9Lux

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1708	WebCompanionInstaller.exe

Loads dropped DLL 8 IoCs

pid	Process
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe
1708	WebCompanionInstaller.exe

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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	WebCompanionInstaller.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1708	WebCompanionInstaller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	WebCompanionInstaller.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1708	1504	90351457a8a62c45119416f5a9bcc04f_JaffaCakes118.exe	84
PID 1504 wrote to memory of 1708	1504	90351457a8a62c45119416f5a9bcc04f_JaffaCakes118.exe	84
PID 1504 wrote to memory of 1708	1504	90351457a8a62c45119416f5a9bcc04f_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\90351457a8a62c45119416f5a9bcc04f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\90351457a8a62c45119416f5a9bcc04f_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\7zS4304.tmp\WebCompanionInstaller.exe
  .\WebCompanionInstaller.exe --partner=BT200401 --version=6.0.2279.4130 --prod
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1708

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:1968

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS4304.tmp\Newtonsoft.Json.dll

Filesize
429KB

MD5
8461a4a711b6a5cc7d368316fbec33a7

SHA1
1aff4f7154fd761421fa404732f053156497a84c

SHA256
66a8c05a0639b7a19a65ce3553852d508e622485e93c32a4f173839104642cc6

SHA512
a92e46765b0e87cae393619469dd36e0d661ae5f6902ab2d2bd721ff2f02972cc4a77ad2be07060e1fadfaaccee4924ce53107466212cda80a4f2482b4b9fb34

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4304.tmp\WebCompanionInstaller.exe

Filesize
390KB

MD5
0db8d1eb7caf09bf89c4e772477fd885

SHA1
2cbeb882a8c57a431c84623cd27ffe3eb5a37f2f

SHA256
54d3c886e3a86903af6cfb5dd25e39dc7618f970258b2cf7e4e382814b85e833

SHA512
f7a046868460c467c20585a5d52724dbeffc804ec390f0fc6f3ce6aa6706258e874c22995200d81b2cda21d8f4ea89f375852767ec53a95cb1ea65005514eae6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4304.tmp\WebCompanionInstaller.exe.config

Filesize
1KB

MD5
0d86e732c7d385b99b69eb1ec27af0a3

SHA1
f5ff2bfc03b4b7704f5c2add6f7efcd7e177006e

SHA256
b33e2cb24a9641d16dab02ba41564b7b3a6cfd9c81843878d04f93b4a6ea875e

SHA512
87b8a4de11c14b9d0f3b93b26f8bab47c53feae3a00d4d11da7a1ff4dd3fd4408ffb9a2157752608800f0a0beaba15fb4dadaaa0d16db28c6604ca400979c36b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4304.tmp\en-US\WebCompanionInstaller.resources.dll

Filesize
8KB

MD5
2ad0810aff85d8b8f1ad0a98fa09af54

SHA1
3a111ff38eb619067b901e8515ab181f4f60b444

SHA256
9f677bc77f5a2a3aca72a93013ed3afcd7e85e13f2e0f77936601fec5d918f43

SHA512
33cddb62e26fcff0892fbf8cbdaaa9dc309ccd61b186cfb0d5c143bf7eb5de3cdff032de6f1d69b5acd3b7d4adc0731194bac26e848da26386ed4ad6c0213b0f

Download Submit
memory/1708-71-0x0000000001370000-0x0000000001380000-memory.dmp

Filesize
64KB

Download
memory/1708-72-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1708-54-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1708-32-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1708-76-0x0000000001370000-0x0000000001380000-memory.dmp

Filesize
64KB

Download
memory/1708-75-0x0000000001370000-0x0000000001380000-memory.dmp

Filesize
64KB

Download
memory/1708-34-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1708-70-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1708-31-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/1708-68-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1708-69-0x0000000001370000-0x0000000001380000-memory.dmp

Filesize
64KB

Download
memory/1708-67-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/1968-66-0x00007FFF02510000-0x00007FFF02EB1000-memory.dmp

Filesize
9.6MB

Download
memory/1968-65-0x000000001AA80000-0x000000001ABB6000-memory.dmp

Filesize
1.2MB

Download
memory/1968-64-0x000000001A370000-0x000000001A744000-memory.dmp

Filesize
3.8MB

Download
memory/1968-63-0x00007FFF02510000-0x00007FFF02EB1000-memory.dmp

Filesize
9.6MB

Download
memory/1968-62-0x00007FFF02510000-0x00007FFF02EB1000-memory.dmp

Filesize
9.6MB

Download
memory/1968-73-0x00007FFF027C5000-0x00007FFF027C6000-memory.dmp

Filesize
4KB

Download
memory/1968-74-0x00007FFF02510000-0x00007FFF02EB1000-memory.dmp

Filesize
9.6MB

Download
memory/1968-61-0x0000000000E70000-0x0000000000E90000-memory.dmp

Filesize
128KB

Download
memory/1968-60-0x00007FFF027C5000-0x00007FFF027C6000-memory.dmp

Filesize
4KB

Download

Analysis

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