8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a

Analysis

max time kernel
136s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 16:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe
Size

123KB
MD5

1b15ba50025490779f2eacdef86c42e3
SHA1

29cb3899bc2d6bd8ecce5c7a4e9d20c2ce87ee75
SHA256

8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a
SHA512

c415cc3f28b1e81f761ece4013f10dee430f894c2079dc2aa3649d82c6662844feef6de0c05610695525fd512c5a3c205c17758655219f1687cdd8454b94d36f
SSDEEP

1536:gR0vxn3Pc0LCH9MtbvabUDzJYWu3BzTjTTTTTTTTAX6ySeyUbSMA:gR2xn3k0CdM1vabyzJYWqaXDSz

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4924	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3484-135-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3484-136-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3484-138-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3484-139-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3484-140-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3484-149-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-150-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-151-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-152-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-153-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-154-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-155-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-156-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4924-157-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxE350.tmp	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1244	4864	WerFault.exe	81

Modifies Internet Explorer settings 1 TTPs 29 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\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370406789"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3670718720"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30985370"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3649469180"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3649469180"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985370"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0429E412-388E-11ED-AECB-F639923F7CA1} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985370"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1852	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1852	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1852	iexplore.exe
1852	iexplore.exe
1536	IEXPLORE.EXE
1536	IEXPLORE.EXE
1536	IEXPLORE.EXE
1536	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3484	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe
4924	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 4924	3484	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe	80
PID 3484 wrote to memory of 4924	3484	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe	80
PID 3484 wrote to memory of 4924	3484	8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe	80
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 4864	4924	WaterMark.exe	81
PID 4924 wrote to memory of 1852	4924	WaterMark.exe	85
PID 4924 wrote to memory of 1852	4924	WaterMark.exe	85
PID 4924 wrote to memory of 3620	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3620	4924	WaterMark.exe	86
PID 1852 wrote to memory of 1536	1852	iexplore.exe	87
PID 1852 wrote to memory of 1536	1852	iexplore.exe	87
PID 1852 wrote to memory of 1536	1852	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe
"C:\Users\Admin\AppData\Local\Temp\8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 208
      4⤵
      Program crash
      PID:1244
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1852
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1852 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1536
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4864 -ip 4864
1⤵
PID:1444

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

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
123KB

MD5
1b15ba50025490779f2eacdef86c42e3

SHA1
29cb3899bc2d6bd8ecce5c7a4e9d20c2ce87ee75

SHA256
8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a

SHA512
c415cc3f28b1e81f761ece4013f10dee430f894c2079dc2aa3649d82c6662844feef6de0c05610695525fd512c5a3c205c17758655219f1687cdd8454b94d36f

Download Submit
C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
123KB

MD5
1b15ba50025490779f2eacdef86c42e3

SHA1
29cb3899bc2d6bd8ecce5c7a4e9d20c2ce87ee75

SHA256
8a571eacabb176621ed91318ea554edda8e405cd8f2ce1833d43850f032e627a

SHA512
c415cc3f28b1e81f761ece4013f10dee430f894c2079dc2aa3649d82c6662844feef6de0c05610695525fd512c5a3c205c17758655219f1687cdd8454b94d36f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
520071a63bb5e2038486cd0ce14055b1

SHA1
752cfb61bbe3ae1e2c2609c53aeee510661a59ed

SHA256
f8a989e9cf1fe0f0000c795537122a3c727e3b570b66582bfb62d9bbae4b20f8

SHA512
6f0131c9e0943c6a13d52a7525e1c592c95db868bf2dd21a8a37254150a239748985cc31518d0c4844bebfc5613feee6857b5debfbbbd6ed4539cd5e494ebbb2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
efb03f8cfbe326b7dd998972ea37d2cc

SHA1
89ed2f3dd95d53b116a6db1335ee82ba8b3f348e

SHA256
3f519cc40bb18ff0b73fdbf1ba5c50f2a32ef680c3deea87d170e830ff0aed2c

SHA512
3e10f1a86035bdee2926bc13dca8209daf71e94d89d233d81df2bbc20d44b83082953ae6803f36787b20d1dbdc0cdf13727152ef857f9291000c663f59ff923f

Download Submit
memory/3484-149-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3484-139-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3484-140-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3484-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3484-135-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3484-132-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3484-136-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-152-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4924-151-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4924-153-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4924-154-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4924-155-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4924-156-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4924-157-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-150-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download