5f34fd718a4b541a4f78a7d976bb632b81c4a1d9773d314b2b2c582a9262c6a1

General

Target

1a70e2590fb51ebf7a93de53c1b37696.exe
Size

678KB
MD5

1a70e2590fb51ebf7a93de53c1b37696
SHA1

97ad6860079bee3a7d46d045dfa6c1476d4ff930
SHA256

5f34fd718a4b541a4f78a7d976bb632b81c4a1d9773d314b2b2c582a9262c6a1
SHA512

51e58ead8ef5453572a053827ebe570a3b8b386fc9cff7a955f78e934c2f20b0ec818a1cbc84bea9ae8f24883b6929e1a624ac90f95803e5b7289aa6eb48c9ca
SSDEEP

12288:Ovu8qysq7sLw73oBUpPPZgmMlPb9enMai4/La5LFP8pnq+B0LjEoGV59zkAsCJ:OvuZfq7sLwjoBy5BM3enMaEZP8pq+q4r

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b000000014be5-4.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3032	Zcznevrss.exe

Loads dropped DLL 5 IoCs

pid	Process
624	1a70e2590fb51ebf7a93de53c1b37696.exe
624	1a70e2590fb51ebf7a93de53c1b37696.exe
624	1a70e2590fb51ebf7a93de53c1b37696.exe
3032	Zcznevrss.exe
3032	Zcznevrss.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/624-6-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/files/0x000b000000014be5-4.dat	upx
behavioral1/memory/3032-32-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/memory/624-46-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/memory/3032-55-0x0000000010000000-0x0000000010129000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Zcznevrss.exe	1a70e2590fb51ebf7a93de53c1b37696.exe
File opened for modification	C:\Program Files (x86)\Zcznevrss.exe	1a70e2590fb51ebf7a93de53c1b37696.exe
File created	C:\Program Files (x86)\Zcznevrss.dll	Zcznevrss.exe
File opened for modification	C:\Program Files (x86)\Zcznevrss.dll	Zcznevrss.exe

Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Zcznevrss.exe

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	Zcznevrss.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{070440B1-A83E-11EE-A80E-FA7D6BB1EAA3} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Zcznevrss.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
624	1a70e2590fb51ebf7a93de53c1b37696.exe
624	1a70e2590fb51ebf7a93de53c1b37696.exe
624	1a70e2590fb51ebf7a93de53c1b37696.exe
3032	Zcznevrss.exe
3032	Zcznevrss.exe
3032	Zcznevrss.exe
3032	Zcznevrss.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
624	1a70e2590fb51ebf7a93de53c1b37696.exe
624	1a70e2590fb51ebf7a93de53c1b37696.exe
3032	Zcznevrss.exe
3032	Zcznevrss.exe
2896	IEXPLORE.EXE
2896	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 3032	624	1a70e2590fb51ebf7a93de53c1b37696.exe	16
PID 624 wrote to memory of 3032	624	1a70e2590fb51ebf7a93de53c1b37696.exe	16
PID 624 wrote to memory of 3032	624	1a70e2590fb51ebf7a93de53c1b37696.exe	16
PID 624 wrote to memory of 3032	624	1a70e2590fb51ebf7a93de53c1b37696.exe	16
PID 3032 wrote to memory of 2896	3032	Zcznevrss.exe	22
PID 3032 wrote to memory of 2896	3032	Zcznevrss.exe	22
PID 3032 wrote to memory of 2896	3032	Zcznevrss.exe	22
PID 3032 wrote to memory of 2896	3032	Zcznevrss.exe	22
PID 2896 wrote to memory of 2776	2896	IEXPLORE.EXE	23
PID 2896 wrote to memory of 2776	2896	IEXPLORE.EXE	23
PID 2896 wrote to memory of 2776	2896	IEXPLORE.EXE	23
PID 2896 wrote to memory of 2776	2896	IEXPLORE.EXE	23

C:\Program Files (x86)\Zcznevrss.exe
"C:\Program Files (x86)\Zcznevrss.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies Internet Explorer Automatic Crash Recovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2896 CREDAT:275457 /prefetch:2
    3⤵
    PID:2776

C:\Users\Admin\AppData\Local\Temp\1a70e2590fb51ebf7a93de53c1b37696.exe
"C:\Users\Admin\AppData\Local\Temp\1a70e2590fb51ebf7a93de53c1b37696.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""c:\1a70e2590fb51ebf7a93de53c1b37696.exe_And xMe.bat""
  2⤵
  PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/624-6-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/624-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/624-19-0x00000000002C0000-0x00000000002EF000-memory.dmp

Filesize
188KB

Download
memory/624-16-0x00000000002C0000-0x00000000002EF000-memory.dmp

Filesize
188KB

Download
memory/624-38-0x00000000002A0000-0x00000000002BE000-memory.dmp

Filesize
120KB

Download
memory/624-47-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/624-46-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/3032-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3032-32-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/3032-27-0x0000000001E70000-0x0000000001E8E000-memory.dmp

Filesize
120KB

Download
memory/3032-55-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads