b181fb27e5874a8a38afb35208338c71f818d2dbfa312f4c9a44e253909fe1e0

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2023, 19:02

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General

Target

099f8cabb99fb8exe_JC.exe
Size

484KB
MD5

099f8cabb99fb81213e8e147b6789252
SHA1

33cd310a8bf80a5b8d862d92562482744776a321
SHA256

b181fb27e5874a8a38afb35208338c71f818d2dbfa312f4c9a44e253909fe1e0
SHA512

edacfc3c4a358c08a9854c7b9b0c283a31054f44315bf6553380df8b5425ede51eb17e9463f56d7f796648448562db56cfef27ca0ffed39dcc86b57d8ae7dd69
SSDEEP

12288:iu4lNAtYytvS5Aku1YLsxdkUoDj9JU01tuMsTp:iwhtvSLuFeUoPo0uM

Score

7^/10

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	099f8cabb99fb8exe_JC.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 43 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\gtimg.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0ebc1a1bcb5d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31045052"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31045052"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31045052"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D24A609C-21AF-11EE-84C0-C268C3D2EB56} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\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 (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\DOMStorage\gtimg.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2798754389"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "396039927"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b4885326af1dd94bb4dd17ee58687030000000000200000000001066000000010000200000007e275259ad21814bdc356e79dfad896cadca404e7f88fac8694dc7d089e4c0c0000000000e8000000002000020000000c300cb86d1d59007c7979af7414d9e48393bb41f4a5cb819751a8f450e722bfc20000000760cbd3666750af1dbb2c64639c89f9ebb73635c7b4d85690664eef24dfdfe1240000000b606504b2061314ab0abdbc954dff05ae41776e63acff9063a51f8dbc1b50762755402906a9969180bacf082d9be638f6b9273b73141f405869ad4a5a27b2e98	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\gtimg.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2798754389"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2802084832"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1043950675-1972537973-2972532878-1000\{3978F2F2-E016-4010-9C91-D0E52B003C18}	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5064	iexplore.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: 33	4788	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4788	AUDIODG.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE
Token: SeShutdownPrivilege	2992	IEXPLORE.EXE
Token: SeCreatePagefilePrivilege	2992	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5064	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5064	iexplore.exe
5064	iexplore.exe
2992	IEXPLORE.EXE
2992	IEXPLORE.EXE
2992	IEXPLORE.EXE
2992	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 5064	4060	099f8cabb99fb8exe_JC.exe	86
PID 4060 wrote to memory of 5064	4060	099f8cabb99fb8exe_JC.exe	86
PID 5064 wrote to memory of 2992	5064	iexplore.exe	87
PID 5064 wrote to memory of 2992	5064	iexplore.exe	87
PID 5064 wrote to memory of 2992	5064	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\099f8cabb99fb8exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\099f8cabb99fb8exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://skjp.zcjczj.cn/rxzgzb.html?s=154&v=155&c=185&a=175&m=&t=1615031814
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5064 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2992

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f4 0x4e0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\dwd4kki\imagestore.dat

Filesize
151B

MD5
59347f4b7e537251528f9817a2ca9797

SHA1
3cd1d32ab30df6b6862512bf16f2646a86d1e380

SHA256
98d09d7d4bec4c6777806f5540c8493a5fed145577622a7ed3d0804ee7728240

SHA512
b374bbbf3d1d1de28e10313318651b4b8c4a5f98d60d0c1c4007c1cd1fefe8e3a13f7aa07e893ce068a746e070a4c5b3b2399e2fddc51ac55dd34c9f16b2492d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HW3GGUK8\favicon[1].ico

Filesize
43B

MD5
ad4b0f606e0f8465bc4c4c170b37e1a3

SHA1
50b30fd5f87c85fe5cba2635cb83316ca71250d7

SHA256
cf4724b2f736ed1a0ae6bc28f1ead963d9cd2c1fd87b6ef32e7799fc1c5c8bda

SHA512
ebfe0c0df4bcc167d5cb6ebdd379f9083df62bef63a23818e1c6adf0f64b65467ea58b7cd4d03cf0a1b1a2b07fb7b969bf35f25f1f8538cc65cf3eebdf8a0910

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RY8A9UY0\5[1].js

Filesize
10B

MD5
74e1080b5e3125ca3a5abc7b340399aa

SHA1
b1e150e5809482e54c347d440f1824179c0d6d5f

SHA256
623017a5748ff1b4e9d0f227f5cd58869ae4959d1ca8fd204c9441cd11e2695b

SHA512
51985a333a6c225976863cf49eca3492f5b8a61f525d08d0bc69c25a7eecaad6fc3ec6f71420f06bb1c3fbfbd197eed6c5c4a99929bd0dbdee73ec2f88265f80

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RY8A9UY0\index[1].mp4

Filesize
122KB

MD5
89a91d4356327e574e99b7ae03daaa1f

SHA1
a60178a859f2507d8bdba1d3d064ee33b39e35cd

SHA256
28aaf6950681fda408d234b11f4a52d23ad437b4c12b7d00f65d14de61ca0c40

SHA512
b7246406254e05f3910c87004dc5779f22b7cce0b0682f062a0a928498601152159194c59cf5677a32b3e77180d33f7ba8af8a8515655c3b7bb6f6a5fd73ce99

Download Submit