hxxps://gsmiweb-dot-yamm-track[.]appspot[.]com/24WNud3XARhwmdTlyfiQui-7G0kpW0ILcydwypbZwv7e-A2ExhgFH0bfYQghHWdiSV3QNxLGRDASHGAWjGg7TK5-zLYRphUcFy0rBb36bb_JcIueI0fVtyQ_Yg4dKKhIjf2ZToPid0nmNsS7zZ9l6QJBUSg91g6ErmJF5xJsEpSuO_4JsmP42BcE

Analysis

max time kernel
85s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
08/02/2023, 14:49

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General

Target

https://gsmiweb-dot-yamm-track.appspot.com/24WNud3XARhwmdTlyfiQui-7G0kpW0ILcydwypbZwv7e-A2ExhgFH0bfYQghHWdiSV3QNxLGRDASHGAWjGg7TK5-zLYRphUcFy0rBb36bb_JcIueI0fVtyQ_Yg4dKKhIjf2ZToPid0nmNsS7zZ9l6QJBUSg91g6ErmJF5xJsEpSuO_4JsmP42BcE

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e6851ef31fd3cf49b332bbb4721c974800000000020000000000106600000001000020000000e6b4542414dcddf43169532934250a224137b4c2ffc151d30f09c449bcce0760000000000e8000000002000020000000cc31059e696387c7b003289b4fdb40947ccaa087af2c15e8d378e8fd33d4b04920000000848bce8ce1be2d4bc8e4e860747c121992d9a8c8300502d2e001e80e026a7738400000002ded40f84db0af9d5b7a55bb59410e8cf429a6e099515463ce45915ad92310ad15487d1a91b2caf128dd792067276a7ae3ef4025c0cedf8904ca3e415939b7b1	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{78CF4C2D-A7C8-11ED-919F-621DF61BAEF5} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e6851ef31fd3cf49b332bbb4721c974800000000020000000000106600000001000020000000f9f852083ee677b34b200cf54c46540ff5fec39ab703c927d2593f8e14f2f66d000000000e80000000020000200000008d388ad093e41bbeaad6b66dcfbd34d263fa12780b98ab81c53ae24f12bc07c0200000009a8c0044c974a32517180d06bdd3f93b0ab9b9833cff9c9c51819b67756ea2f8400000007827edeeea394828a9b2888f732b0d587713f2be567e9a34c61bfa29c44f228e9f8b57d9226543611f0339d31e066e31218f1ad3c41c26932bde449e847db6d7	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80da9758d53bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382636474"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90ae9058d53bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
432	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
432	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
432	iexplore.exe
432	iexplore.exe
4616	IEXPLORE.EXE
4616	IEXPLORE.EXE
4616	IEXPLORE.EXE
4616	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4616	432	iexplore.exe	79
PID 432 wrote to memory of 4616	432	iexplore.exe	79
PID 432 wrote to memory of 4616	432	iexplore.exe	79

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://gsmiweb-dot-yamm-track.appspot.com/24WNud3XARhwmdTlyfiQui-7G0kpW0ILcydwypbZwv7e-A2ExhgFH0bfYQghHWdiSV3QNxLGRDASHGAWjGg7TK5-zLYRphUcFy0rBb36bb_JcIueI0fVtyQ_Yg4dKKhIjf2ZToPid0nmNsS7zZ9l6QJBUSg91g6ErmJF5xJsEpSuO_4JsmP42BcE
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:432
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:432 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4616

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\82CB34DD3343FE727DF8890D352E0D8F

Filesize
7KB

MD5
2968bcd90aad32d12807327e658ee03e

SHA1
3c8f0451b90f22796b9d751cb12ab79b841d07d2

SHA256
c80150fe8977ac2587cbbdb4156835a2d3b57e87f6d40966659f785f16abd64f

SHA512
58d00c85e796bace1c47c86df71e589972583a14a4749a8195341aca7cc560a74abafd7246fb754c4c885a5a7c8509dd53c36a5a3f23f346621bbc11f08cd66e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\82CB34DD3343FE727DF8890D352E0D8F

Filesize
232B

MD5
8d1b481c24a885c4b6278e375bba646b

SHA1
5fc2618a7f610ca961935aa7173e3be5979efd94

SHA256
38965ffa39dff9769b140147ceec75cd67049af024abfd8a6d4f0a72113bea80

SHA512
86f92278161bd031774a050d366e04af4492c5e37902968cfd1ead095a9f203f13bd0c5334a45af778aa031de3e3d017a15de4d4e66f9d3d5fb0759e559d008b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\xyoggsx\imagestore.dat

Filesize
1KB

MD5
dd47e52c07db61554329bcab3790fa9d

SHA1
3f26c966f7b0e3439ea944025fd7cfd3e656f072

SHA256
79b888f76d7fe18f6a32daf0ea63b2892c8f74a4e2d1b9a0aaceb6a694a3a3c3

SHA512
9a58a6383b462a469c66d091e999c5e03e2df15dccc55fadc0d7767821485166f4760e7b6688b790d70b0445661224472c36f549d6adb0f9695c54b6fb72015e

Download Submit