1f0d1a85393c1a72f385262508f46f66c903915b1ec5b2d9d9aeb5735e982100

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 06:31

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General

Target

7f219ad392dfb7aa9b1d302991080884.dll
Size

67KB
MD5

7f219ad392dfb7aa9b1d302991080884
SHA1

80f014b74094029dc5eb34f4723d37005b7394b3
SHA256

1f0d1a85393c1a72f385262508f46f66c903915b1ec5b2d9d9aeb5735e982100
SHA512

1f4450110ef0f79b140c027722ca71f23f1afdb12ce4c8b6fc15178540e8eab2cc9e222d057ba017405c8f6c42c2b2c31d893d44626ae2d125d69fbae3e299dc
SSDEEP

1536:hKaouK0rof8925RMehGW4X6cHUP3bqshuqR+Pd:hKaouK99MqB4Xy39nQd

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 2328	3096	rundll32.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4132	3096	WerFault.exe	14

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3587083256"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\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
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3590208182"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413274851"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085180"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085180"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3587083256"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31085180"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0164FE4C-BE70-11EE-9ECD-E6683C810C58} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2328	IEXPLORE.EXE
2328	IEXPLORE.EXE
3428	IEXPLORE.EXE
3428	IEXPLORE.EXE
3428	IEXPLORE.EXE
3428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 3096	3924	rundll32.exe	14
PID 3924 wrote to memory of 3096	3924	rundll32.exe	14
PID 3924 wrote to memory of 3096	3924	rundll32.exe	14
PID 3096 wrote to memory of 2328	3096	rundll32.exe	21
PID 3096 wrote to memory of 2328	3096	rundll32.exe	21
PID 3096 wrote to memory of 2328	3096	rundll32.exe	21
PID 2328 wrote to memory of 3428	2328	IEXPLORE.EXE	19
PID 2328 wrote to memory of 3428	2328	IEXPLORE.EXE	19
PID 2328 wrote to memory of 3428	2328	IEXPLORE.EXE	19

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f219ad392dfb7aa9b1d302991080884.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 628
  2⤵
  - Program crash
  PID:4132
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2328

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f219ad392dfb7aa9b1d302991080884.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3096 -ip 3096
1⤵
PID:332

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2328 CREDAT:17410 /prefetch:2
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
23c885d47568a0c8ec78d6dcc163d3e6

SHA1
5784bd843fecdfcdfdd6c213c092c65613d1f6b4

SHA256
c682f97f831992d9fc18392f30e050457a49b6e15de26a1af4459541c2866d80

SHA512
329f656e73d533712901b9dd168555670fa8ca2d89aaffbc5e446f734af2eb409c54cbbcfc72b9173a65d413bafc4f74c47d6985ce15767890719c36f6e15fa1

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

Filesize
404B

MD5
261c871c6f3fc50ce4dba95c2b905c9b

SHA1
08177ef7dcc5de22001021e67fdefc972ac92b24

SHA256
e512d51b5444897506c276db55b024c78a8fc8750aa1d11996e25e8be9dcb95d

SHA512
16d9055f73228d22d786d8db80f97f6f9192866f8d5c8748cf3b3625fb3d69b489aaf82bedfa2c88a3f182ff0e7b6f2b5140817cbf60c91e9cc772796ed2fce4

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit