aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7

General

Target

aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7.exe
Size

157KB
MD5

4617715b6f67b4da1cac516661c3e766
SHA1

0fbde93b454df20465aa42c7c3bf6ebc1c2ec233
SHA256

aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7
SHA512

f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37
SSDEEP

3072:DxZFdhaSnhv6A0BnTjAqO88JjOj4nNWb84udLAepgx9y9hj3xBZ7FZAuaob3Kl:DvzhBInYk6U4nNWb84yAepgjKj3xBDV4

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
948	CCentsr.exe

UPX packed file 7 IoCs

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

upx

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

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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

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.exe
  C:\Windows\system32\CCentsr.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  PID:948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

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
\Windows\SysWOW64\CCentsr.exe

Filesize
157KB

MD5
4617715b6f67b4da1cac516661c3e766

SHA1
0fbde93b454df20465aa42c7c3bf6ebc1c2ec233

SHA256
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7

SHA512
f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37

Download Submit
\Windows\SysWOW64\CCentsr.exe

Filesize
157KB

MD5
4617715b6f67b4da1cac516661c3e766

SHA1
0fbde93b454df20465aa42c7c3bf6ebc1c2ec233

SHA256
aeb9cc9c525c8000a1a0ecc35fd7a162f70900c5b0bc373d36de129a52ec14e7

SHA512
f3ad5ed47a6ba6877011d66d63243955d170e7a154c6c84ed6cb8ec2e894c0a976dd8f06da26f6ba92af6231998998f252a6e9471dbd9a5765dc8ad6d79a3f37

Download Submit
memory/948-60-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/948-61-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1056-54-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1056-59-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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