87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc

Analysis

max time kernel
125s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 23:36

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Report Analysis Logs

General

Target

87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe
Size

484KB
MD5

54d06ec51347ed592b888ad219023bac
SHA1

3c62557c5a56f1ba6de05816fc3d80fdb3663d66
SHA256

87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc
SHA512

b77ee1e76420e5daf9df2749c3fd8b296cdc6add41a1ebb7646cab1d12ed7624d8f3eb529b832c7023b52b26b563c120d121f18cb599f82386eec16d8cb93f7d
SSDEEP

12288:iu4lNAtYytvS5Aku1YLNxdkUoDj9JU01tuMsTp:iwhtvSLu2eUoPo0uM

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31133603"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3313341290"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3313341290"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F0DD2D45-7B96-11EF-A2A4-CE3473C70610} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31133603"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009a7bf3bae5f3a549b81f23758225dc5c000000000200000000001066000000010000200000007e6adbf1723ee23d4abad4e353fc1cc5a2f075292a5f9a974bf96a30142aa6d0000000000e8000000002000020000000e54c45a53f38609d1ef62ff26d860c84834c760f05d733d7d8b2165bfd72003720000000f9e5c6ba9e3cb249a2d0f6312c83e0229e563e169d9192c90b1bdf5b3893324640000000b76cbc78cbbec4ed716390c3ff543e866fb3d197044a3c577d85d2748cc5b5198c449d0c55117d89fb83028b80cdef5d5462e09ad092a30c0058ff97ba7d6207	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31133603"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31133603"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009a7bf3bae5f3a549b81f23758225dc5c000000000200000000001066000000010000200000001c7a42bfb77a045467925843e45921f44def6919936a65278f46ebe0a5cf82d4000000000e800000000200002000000059beebfdc91d36741b405ff10d17a0427a687db6d8586459b7f562ddbc7302b1200000008b1b9e9d7736289afe8386c9ee9a41ec83c033e0a3c46fd460df17ffcf235cbc400000009addb309930b0c0183c99c7a080003259750f1253edcad0aa94081fbaf9ade6849c8b5311359a9d39fb35ecbaa17bbdb014a23334bb96cfebbba78f56f5b3342	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3311152375"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90bac7daa30fdb01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70a1d3daa30fdb01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3311152375"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434072343"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2064	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2064	iexplore.exe
2064	iexplore.exe
2844	IEXPLORE.EXE
2844	IEXPLORE.EXE
2844	IEXPLORE.EXE
2844	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2064	3312	87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe	89
PID 3312 wrote to memory of 2064	3312	87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe	89
PID 2064 wrote to memory of 2844	2064	iexplore.exe	90
PID 2064 wrote to memory of 2844	2064	iexplore.exe	90
PID 2064 wrote to memory of 2844	2064	iexplore.exe	90

C:\Users\Admin\AppData\Local\Temp\87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe
"C:\Users\Admin\AppData\Local\Temp\87b21aeb98928f57588d000480c8bfefc1283f07bbf13716cc59c47da09395cc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://skjp.zcjczj.cn/rxzgzb.html?s=92&v=93&c=94&a=175&m=&t=1614560328
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2064 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2844

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3836,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
bf94c1f95b86846942364d11a17851b4

SHA1
63700cc94ae31ecd3bb028332dcdf9a0964ed406

SHA256
66481be25e3d5754ba4c58aa4cceab5cf66f4c82b3bb45d82d6980822efb075d

SHA512
e7a4f19100de4abf24c3cc89e913ca1f5d81b64b6bcad8a377a4d540e45f65b805aafc0ab78c5c2ce7b6b02ad51393272d20996c5d188e4ceabc40c4b9a310cf

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

Filesize
404B

MD5
0d5e94ce28fa76140fbadf6c77bed1f7

SHA1
5c64ff4b50da2a8c6a24f23b1e85044066b9bd60

SHA256
08dc83eb4bc05e7775979fc7d6bd617a1f12b7c735f5e22d3326012c8049e5b7

SHA512
1771413e00607717dee71b08322bdb7143a57b9ff117557a20e803969ee8d03402c394753ff51a68fff1bf0bbccb8a630685b9572f6be6862c55a43654da899e

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verBA43.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCPU4OJ5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit