3982fdfacab94376493901757d3c4b3cb3c4db9855a2ad48ee186a4ef952c6a0

Analysis

max time kernel
184s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 22:18

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General

Target

CF߱Ѫ޿ո.exe
Size

1.6MB
MD5

1422e92ffa3406459b8b5b4fbed745a3
SHA1

7ab2ea8c0e4bb988ba81c7f7e87debf988832780
SHA256

84c2594bfaaedf7007662025c4beafdad536a3308f8c3f6ee52d083450a66b57
SHA512

908c955b0fbcd33677eb132d0f774defbca40903138b3ecea64adef74251aa58889820520842fb9e191b3ed5b72e4ac759e99bab20032a7d00b200a896ab7646
SSDEEP

24576:cb4wCwg9BO+64wI3h4sDsRuYqTXwgKw4v1TuSSx218pij8p+:cdCB3n3h4tuSjGE18E88

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

DDtt5.exe

pid process

2824 DDtt5.exe

pid	process
2824	DDtt5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CF߱Ѫ޿ո.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/DDtt5.exe"	CF߱Ѫ޿ո.exe

Drops file in System32 directory 1 IoCs

Processes:

CF߱Ѫ޿ո.exe

description ioc process

File created C:\Windows\SysWOW64\DDtt5.exe CF߱Ѫ޿ո.exe

description	ioc	process
File created	C:\Windows\SysWOW64\DDtt5.exe	CF߱Ѫ޿ո.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

CF߱Ѫ޿ո.exeDDtt5.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	CF߱Ѫ޿ո.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\GPU	DDtt5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x1414\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"6.2.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	DDtt5.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

CF߱Ѫ޿ո.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	CF߱Ѫ޿ո.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CF߱Ѫ޿ո.exe

pid	process
4204	CF߱Ѫ޿ո.exe
4204	CF߱Ѫ޿ո.exe
4204	CF߱Ѫ޿ո.exe
4204	CF߱Ѫ޿ո.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

CF߱Ѫ޿ո.exeDDtt5.exe

pid process

4204 CF߱Ѫ޿ո.exe
4204 CF߱Ѫ޿ո.exe
2824 DDtt5.exe
2824 DDtt5.exe
2824 DDtt5.exe
2824 DDtt5.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

CF߱Ѫ޿ո.exe

description	pid	process	target process
PID 4204 wrote to memory of 2824	4204	CF߱Ѫ޿ո.exe	DDtt5.exe
PID 4204 wrote to memory of 2824	4204	CF߱Ѫ޿ո.exe	DDtt5.exe
PID 4204 wrote to memory of 2824	4204	CF߱Ѫ޿ո.exe	DDtt5.exe

C:\Users\Admin\AppData\Local\Temp\CF߱Ѫ޿ո.exe
"C:\Users\Admin\AppData\Local\Temp\CF߱Ѫ޿ո.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Windows\SysWOW64\DDtt5.exe
  C:\Windows\system32\/DDtt5.exe
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2824

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

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Downloads

C:\Windows\SysWOW64\DDtt5.exe

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
C:\Windows\SysWOW64\DDtt5.exe

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
memory/2824-132-0x0000000000000000-mapping.dmp

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