4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121

Analysis

max time kernel
134s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 01:50

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General

Target

4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe
Size

461KB
MD5

4873ecae999fd779ecaef8c436649285
SHA1

94c6cf64e26ccd7a16aa8d1e067f90f347a5f32f
SHA256

4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121
SHA512

b1ccd944750a793da4b44d8c854bd755cae196ffe2cecdee68d995fb493b1648d903fce7bd440c180bbc59f0563ad1f06f1a3e548ccb677cb4f9d685b0bffa47
SSDEEP

12288:9bzxG09kRLS0CQE83xYygA+PaAN8qnlNgKPKiYW3:93A5RLxEry9+iAmiDgKKib

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	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 (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\LastUpdateLowDateTime = "1930261042"	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\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373112022"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9E5EBF4D-5128-11ED-AECB-72E07057041D} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000883ed98174fc174d8e18111dae0d912000000000020000000000106600000001000020000000b8fd88851c529f69e20b1cb029c1ca7b7c86011f3c10cf10d1bfed6e870a545d000000000e8000000002000020000000ab7a0770ca7d1983e9ddb8cec0c8531d2284b5726707772d1de97dd1c0ee99b320000000aa8fcbafa6f58a695a669928d0ad3b2415847f383bc3512e244878f8624503dc40000000684752ae625edc5ba694c51aa79a234426554f84399ec16a8fbeb8b7780801b649af11fd7a264ca26e67dad05cf5e7d304bd9f426244b38882c5751f3edb8301	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	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\Recovery\PendingRecovery\AdminActive = "0"	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\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991669"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	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\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991669"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1986667093"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5059297935e5d801	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000883ed98174fc174d8e18111dae0d91200000000002000000000010660000000100002000000014b755713fb062daa695a42a1c27f664d6f80bf53d0bd11a923a27a22be1b4e7000000000e8000000002000020000000cdb3abd3bb30c64c0cd7bfd4a3c5576b22bf7e275d379b535b8ced95199801a22000000019c8be6a09d51977609bc18371bc41a2b5df386f00544f7093d6b3cd5e1893184000000016df7cda5e401990081e8c17d5f8ea4109fad05e994b3af37e63a4e5528b8c27f83c7a95055be4e24e4c863b45a5ccac7fe67015133526c312718d4a820d6306	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
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1930261042"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b02e6c7935e5d801	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\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\LastCheckForUpdateHighDateTime = "30991669"	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4180	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4180	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe
4180	IEXPLORE.EXE
4180	IEXPLORE.EXE
4908	IEXPLORE.EXE
4908	IEXPLORE.EXE
4908	IEXPLORE.EXE
4908	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 4180	4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe	80
PID 4852 wrote to memory of 4180	4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe	80
PID 4180 wrote to memory of 4908	4180	IEXPLORE.EXE	81
PID 4180 wrote to memory of 4908	4180	IEXPLORE.EXE	81
PID 4180 wrote to memory of 4908	4180	IEXPLORE.EXE	81
PID 4852 wrote to memory of 3248	4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe	82
PID 4852 wrote to memory of 3248	4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe	82
PID 4852 wrote to memory of 3248	4852	4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe	82

C:\Users\Admin\AppData\Local\Temp\4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe
"C:\Users\Admin\AppData\Local\Temp\4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.wa300.com/tj.html
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4180 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4908
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\4123A4~1.EXE
  2⤵
  PID:3248

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:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
6a15e3564b9eb382fe5534f59d6fccb4

SHA1
911dbc1a988c2d6816beb0c21c4ea5402253b884

SHA256
6b478c66c9a2024177d4a478ccea9a82f3162aa87a5125a0dc3750c920bdbc62

SHA512
2801f46d495eed08dbb10e73ccda4828faf4ef6b1ff3ff45ce8d73331e692381c25417d15c958f8c3f9c6932300cd0e66b1aad6bb5a92e2bf27b338b6d245711

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

Filesize
434B

MD5
e221ae605b172b6d65fcb04c1a14b97f

SHA1
cbd1c85a71ff61d6c58b044457e90e5f08605684

SHA256
b8c20ec4999b37def039fa7402b6dc8add1072bb7b74511ba036e07f1007a272

SHA512
2ce2f7c1027e0687d506fcdeeb8e922587754175925dda8c1a97a8af92d7d4cd2e92c2425fad8064317620dbfac14d71ae72ecb6c112eb7334fab0a4f87af328

Download Submit
memory/4852-132-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4852-136-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download