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Analysis
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max time kernel
119s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 15:56
Behavioral task
behavioral1
Sample
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
Resource
win10v2004-20221111-en
General
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Target
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
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Size
157KB
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MD5
4617715b6f67b4da1cac516661c3e766
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SHA1
0fbde93b454df20465aa42c7c3bf6ebc1c2ec233
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SHA256
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7
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SHA512
f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37
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SSDEEP
3072:DxZFdhaSnhv6A0BnTjAqO88JjOj4nNWb84udLAepgx9y9hj3xBZ7FZAuaob3Kl:DvzhBInYk6U4nNWb84yAepgjKj3xBDV4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 948 CCentsr.exe -
resource yara_rule behavioral1/memory/1056-54-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/files/0x000c0000000054a8-55.dat upx behavioral1/files/0x000c0000000054a8-56.dat upx behavioral1/files/0x000c0000000054a8-58.dat upx behavioral1/memory/1056-59-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/948-60-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/948-61-0x0000000000400000-0x000000000046A000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 1056 aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe 1056 aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run CCentsr.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\CCentsr = "C:\\Windows\\system32\\CCentsr.exe" CCentsr.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\CCentsr = "C:\\Windows\\system32\\CCentsr.exe" aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\CCentsr.exe aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe File opened for modification C:\Windows\SysWOW64\CCentsr.exe aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 948 CCentsr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1056 wrote to memory of 948 1056 aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe 28 PID 1056 wrote to memory of 948 1056 aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe 28 PID 1056 wrote to memory of 948 1056 aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe 28 PID 1056 wrote to memory of 948 1056 aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe"C:\Users\Admin\AppData\Local\Temp\aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\Windows\SysWOW64\CCentsr.exeC:\Windows\system32\CCentsr.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
PID:948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
157KB
MD54617715b6f67b4da1cac516661c3e766
SHA10fbde93b454df20465aa42c7c3bf6ebc1c2ec233
SHA256aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7
SHA512f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37
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Filesize
157KB
MD54617715b6f67b4da1cac516661c3e766
SHA10fbde93b454df20465aa42c7c3bf6ebc1c2ec233
SHA256aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7
SHA512f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37
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Filesize
157KB
MD54617715b6f67b4da1cac516661c3e766
SHA10fbde93b454df20465aa42c7c3bf6ebc1c2ec233
SHA256aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7
SHA512f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37