74d605f499761efb73eb2e3b38b54383bf3c80511984a9908ff8eee23dc66f78

Analysis

max time kernel
120s
max time network
267s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
06/01/2025, 12:09 UTC

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General

Target

MessagePack.Annotations.xml
Size

1KB
MD5

9302722ba45e0bacd8735a1fa5a77ef9
SHA1

0862c10735bb5193b3729b935ac4e3a74d1fdc7c
SHA256

f6134d6bacbf696afd122462a5ec55bfe86a7b447aea82f19152efd72977e8c3
SHA512

ef62317c386738abd0c803fad4f8449818faec324f494b57ec8c59fc1eb2d270e08b7ea2ebfabb94482572c499fd95b20d9dac8d4e650aec098a161426710f09

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 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	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.4355\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "416912596"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31154228"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "410819023"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{439BD861-CC27-11EF-A12C-5A08F5C3F771} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442930476"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31154228"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "410819023"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002c27c3094df67f4d98fbd20fbfba7eac0000000002000000000010660000000100002000000030b71bee52c024832151385f9624158b6f234fdfc680b930f35d454e6d6b2f6b000000000e8000000002000020000000b5a5314bb65a72c572b259fe8b4bbe2f6021136bf85fb04f7d8173249fb247e62000000024e3a5187004f30656b1912437d25b7938bfe8a02c102c24d5f42edde8038b9640000000aafa951baa4ab09a7ed524db8e5e831d2600cd69fe9f6c6a6060807259c49b2ccac0c90fe59ea3a9a1e828a02fa6e5e97bfc98da2b8325eac91bef6c075f2ab1	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 803c3b193460db01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002c27c3094df67f4d98fbd20fbfba7eac00000000020000000000106600000001000020000000f34a2084cec6767c779a3c542ddc268c6add8bccb0caba09b2e96f7e055f567f000000000e800000000200002000000091152945db8442d5c56e75f35bfe8e471b9e89d7cd7484ff636c455a7b23b56b20000000f07b2968b24d07eb1636ae3b4aaf0f2c065d36c7d002acb3c5fde5a829b8dd0b40000000be4db394d06a720302dc3ba64cb7703db9324f4d42339a51687ab19adc0abae4afaf6df72f4f852dfc76d72e46d651510869c8cbf128251ff2c6cea20b0292de	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31154228"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80ad3d193460db01	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3600	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3600	iexplore.exe
3600	iexplore.exe
1600	IEXPLORE.EXE
1600	IEXPLORE.EXE
1600	IEXPLORE.EXE
1600	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 3600	2044	MSOXMLED.EXE	81
PID 2044 wrote to memory of 3600	2044	MSOXMLED.EXE	81
PID 3600 wrote to memory of 1600	3600	iexplore.exe	83
PID 3600 wrote to memory of 1600	3600	iexplore.exe	83
PID 3600 wrote to memory of 1600	3600	iexplore.exe	83

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\MessagePack.Annotations.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\MessagePack.Annotations.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3600
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3600 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1600

Network

DNS

13.86.106.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.86.106.20.in-addr.arpa

IN PTR

Response
DNS

73.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.31.126.40.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

53.210.109.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

53.210.109.20.in-addr.arpa

IN PTR

Response
DNS

241.42.69.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.42.69.40.in-addr.arpa

IN PTR

Response
DNS

161.19.199.152.in-addr.arpa

Remote address:

8.8.8.8:53

Request

161.19.199.152.in-addr.arpa

IN PTR

Response
DNS

200.197.79.204.in-addr.arpa

Remote address:

8.8.8.8:53

Request

200.197.79.204.in-addr.arpa

IN PTR

Response

200.197.79.204.in-addr.arpa

IN PTR

a-0001a-msedgenet
DNS

22.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

22.236.111.52.in-addr.arpa

IN PTR

Response

204.79.197.200:443

ieonline.microsoft.com

tls, http2

iexplore.exe

2.0kB
9.1kB
23
13

8.8.8.8:53

13.86.106.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

13.86.106.20.in-addr.arpa
8.8.8.8:53

73.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

73.31.126.40.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

53.210.109.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

53.210.109.20.in-addr.arpa
8.8.8.8:53

241.42.69.40.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

241.42.69.40.in-addr.arpa
8.8.8.8:53

161.19.199.152.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

161.19.199.152.in-addr.arpa
8.8.8.8:53

200.197.79.204.in-addr.arpa

dns

73 B
106 B
1
1

DNS Request

200.197.79.204.in-addr.arpa
8.8.8.8:53

22.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

22.236.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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
77f9653fa64f382075a75a06f6817ce0

SHA1
f28cd7c2a4909fe6fcda36043f7577ca2c1f74d1

SHA256
9645d4fe322c6336789821189541946c466d71afcc31d2e7346862a23dc2f1de

SHA512
f0f0c084283cdc847a7f2b5b91aab105e21688a0c3d090117a6420b0f2942cc6002953add42b1557c2142516de5f84c0a170639aab56a90ea6eba326ce7ddbc9

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

Filesize
404B

MD5
d98d32b974d9442451f49e4324390b30

SHA1
3a772dee01f21b1a56dd7111b315ee3891c4001e

SHA256
3e5d437428c14c176ed710c231474006e38dac3cea8757ea61f75ec657e143ee

SHA512
a2348e44d25913a6abac72fba4759110a4fcddaf96cd9019c79c6eb85bc081fa088113646847fc0f15744c87f6906ac096733754862d3d86109a9709a5e2b260

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KMZNQ6LU\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2044-14-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-17-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-1-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-0-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-3-0x00007FFF3330D000-0x00007FFF3330E000-memory.dmp

Filesize
4KB

Download
memory/2044-9-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-8-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-11-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-10-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-2-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-15-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-4-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-18-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-16-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-23-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-22-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-21-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-20-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-19-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-13-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-12-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-7-0x00007FFEF32F0000-0x00007FFEF3300000-memory.dmp

Filesize
64KB

Download
memory/2044-6-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download
memory/2044-5-0x00007FFF33270000-0x00007FFF33468000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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