aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7

Analysis

max time kernel
186s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 15:56

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General

Target

aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
Size

157KB
MD5

4617715b6f67b4da1cac516661c3e766
SHA1

0fbde93b454df20465aa42c7c3bf6ebc1c2ec233
SHA256

aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7
SHA512

f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37
SSDEEP

3072:DxZFdhaSnhv6A0BnTjAqO88JjOj4nNWb84udLAepgx9y9hj3xBZ7FZAuaob3Kl:DvzhBInYk6U4nNWb84yAepgjKj3xBDV4

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4796	CCentsr.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/460-132-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral2/files/0x0008000000022e38-134.dat	upx
behavioral2/files/0x0008000000022e38-135.dat	upx
behavioral2/memory/4796-136-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral2/memory/460-137-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral2/memory/4796-138-0x0000000000400000-0x000000000046A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CCentsr = "C:\\Windows\\system32\\CCentsr.exe"	aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	CCentsr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CCentsr = "C:\\Windows\\system32\\CCentsr.exe"	CCentsr.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
4796	CCentsr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 4796	460	aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe	83
PID 460 wrote to memory of 4796	460	aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe	83
PID 460 wrote to memory of 4796	460	aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe	83

C:\Users\Admin\AppData\Local\Temp\aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
"C:\Users\Admin\AppData\Local\Temp\aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:460
- C:\Windows\SysWOW64\CCentsr.exe
  C:\Windows\system32\CCentsr.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\CCentsr.exe

Filesize
157KB

MD5
4617715b6f67b4da1cac516661c3e766

SHA1
0fbde93b454df20465aa42c7c3bf6ebc1c2ec233

SHA256
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7

SHA512
f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37

Download Submit
C:\Windows\SysWOW64\CCentsr.exe

Filesize
157KB

MD5
4617715b6f67b4da1cac516661c3e766

SHA1
0fbde93b454df20465aa42c7c3bf6ebc1c2ec233

SHA256
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7

SHA512
f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37

Download Submit
memory/460-132-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/460-137-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4796-136-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4796-138-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download