5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6

Analysis

max time kernel
92s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2022 17:06

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General

Target

5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
Size

225KB
MD5

822161a0374d3565cbc5ea53de075b15
SHA1

ec86af1efb1c434702d1cb26702a099423ad4cdc
SHA256

5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6
SHA512

4748bf9d0d7d89918dde8cd89ea9873d2cccdeb6966d7795428e0f3beaa02bb2a5f8674f7a3e4a121aa5fa736d508fd69b8f423f939891d2279c85e7306bba7f
SSDEEP

6144:Jsynggx/YFgcYvw05eAAm/cVAOMBUriKzQ:JLue/TAi

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	Qfyjoa.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1264-132-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x0006000000022f6f-137.dat	upx
behavioral2/files/0x0006000000022f6f-138.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
File created	C:\Windows\Qfyjoa.exe	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
File opened for modification	C:\Windows\Qfyjoa.exe	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Qfyjoa.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Qfyjoa.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4060	2204	WerFault.exe	82
3180	1264	WerFault.exe	81

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	Qfyjoa.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
2204	Qfyjoa.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 2204	1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe	82
PID 1264 wrote to memory of 2204	1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe	82
PID 1264 wrote to memory of 2204	1264	5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe	82

C:\Users\Admin\AppData\Local\Temp\5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe
"C:\Users\Admin\AppData\Local\Temp\5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6.exe"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\Qfyjoa.exe
  C:\Windows\Qfyjoa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:2204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 676
    3⤵
    - Program crash
    PID:4060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 708
  2⤵
  - Program crash
  PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2204 -ip 2204
1⤵
PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1264 -ip 1264
1⤵
PID:4640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\Qfyjoa.exe

Filesize
225KB

MD5
822161a0374d3565cbc5ea53de075b15

SHA1
ec86af1efb1c434702d1cb26702a099423ad4cdc

SHA256
5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6

SHA512
4748bf9d0d7d89918dde8cd89ea9873d2cccdeb6966d7795428e0f3beaa02bb2a5f8674f7a3e4a121aa5fa736d508fd69b8f423f939891d2279c85e7306bba7f

Download Submit
C:\Windows\Qfyjoa.exe

Filesize
225KB

MD5
822161a0374d3565cbc5ea53de075b15

SHA1
ec86af1efb1c434702d1cb26702a099423ad4cdc

SHA256
5dc7c3cf2b8fe0682059835fc23b88214e48a52933442c448ca5dda294d035f6

SHA512
4748bf9d0d7d89918dde8cd89ea9873d2cccdeb6966d7795428e0f3beaa02bb2a5f8674f7a3e4a121aa5fa736d508fd69b8f423f939891d2279c85e7306bba7f

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
426B

MD5
d320a3c7424993866236adccef3e290b

SHA1
374694d0b15cd7b02a7b546ef4d73445b03b770d

SHA256
5997d2befa0909f570123527babee411753576e36a046a2e4b017053cf39022a

SHA512
14513d989a1945157a5a83fb47877365b53bce49c4bb7f034a716d62bc708f67bb35b4ba9a70116ed03c2eaeff3d38862fc9b85a23aac59a33b2ade93edc4b63

Download Submit
memory/1264-132-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1264-133-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1264-143-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1264-146-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2204-136-0x0000000000000000-mapping.dmp

Download
memory/2204-144-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2204-145-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download