9e79b00a152f610e6ceef27e43316621740b946557065c162bcd1e338db8b581

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 08:02

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General

Target

88fc9afbf2ce70f9b9b3055f2bf15727.exe
Size

5KB
MD5

88fc9afbf2ce70f9b9b3055f2bf15727
SHA1

3b2af13a2d00f07ec0c098f679db249ecf8c3372
SHA256

9e79b00a152f610e6ceef27e43316621740b946557065c162bcd1e338db8b581
SHA512

111da5f4c53980390ac52facfc71c0a5bd4e60afdbaf9c58252fce2e03e52f59652f2289683040aa81138f3d837c45b11b967bea626cb28b2c8c87990097856e
SSDEEP

48:ZvtTaoUSQ//HL9bIzIZcYFpurFBXVONM8KHHAH7dhNAMoBAX:Z132nHLq8SauXXVIwn47hcK

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C613CE22-151C-4331-94FF-F113A153F66D}	regedit.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085998"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085998"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "985662935"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "985662935"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413625919"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "994101134"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6654180F-C1A1-11EE-9BE3-FEBFAF1864CB} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31085998"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32\ = "c:\\sysdump.dll"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32\ = "error"	regedit.exe

Runs .reg file with regedit 2 IoCs

pid	Process
2536	regedit.exe
3976	regedit.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4416	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4416	iexplore.exe
4416	iexplore.exe
2380	IEXPLORE.EXE
2380	IEXPLORE.EXE
2380	IEXPLORE.EXE
2380	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 2536	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	82
PID 4140 wrote to memory of 2536	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	82
PID 4140 wrote to memory of 2536	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	82
PID 4140 wrote to memory of 4416	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	83
PID 4140 wrote to memory of 4416	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	83
PID 4416 wrote to memory of 2380	4416	iexplore.exe	84
PID 4416 wrote to memory of 2380	4416	iexplore.exe	84
PID 4416 wrote to memory of 2380	4416	iexplore.exe	84
PID 4140 wrote to memory of 3976	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	87
PID 4140 wrote to memory of 3976	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	87
PID 4140 wrote to memory of 3976	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	87
PID 4140 wrote to memory of 4076	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	88
PID 4140 wrote to memory of 4076	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	88
PID 4140 wrote to memory of 4076	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	88
PID 4140 wrote to memory of 2880	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	89
PID 4140 wrote to memory of 2880	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	89
PID 4140 wrote to memory of 2880	4140	88fc9afbf2ce70f9b9b3055f2bf15727.exe	89

C:\Users\Admin\AppData\Local\Temp\88fc9afbf2ce70f9b9b3055f2bf15727.exe
"C:\Users\Admin\AppData\Local\Temp\88fc9afbf2ce70f9b9b3055f2bf15727.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Windows\SysWOW64\regedit.exe
  regedit -S c:\temp1.reg
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Runs .reg file with regedit
  PID:2536
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" %1
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4416
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4416 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2380
- C:\Windows\SysWOW64\regedit.exe
  regedit -S c:\temp2.reg
  2⤵
  - Modifies registry class
  - Runs .reg file with regedit
  PID:3976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\temp2.bat
  2⤵
  PID:4076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\temp1.bat
  2⤵
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
471B

MD5
164c747ec05b351867ac47fb8ac89dcb

SHA1
d814dbedc7356af4d274b907692c28baea48dba0

SHA256
e675e63c991701c36625eb6ef0d2e009c743f7a6843192f74bd10ac641503181

SHA512
895663660c26f74561154925fd7ef4c2ee7e8fe0ad25985f7ed51ceadb476d576450c8c57aa8e8ea350be398b491f0bb5fe54744d7d1e625e4ab97a93b375643

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

Filesize
404B

MD5
36a4b77667daff3f8d8c904d245271ae

SHA1
b4119c1882e423908121919d604b84f7803215de

SHA256
abd896483fe58095572268726b54408e5d3fc4d0b0923022a9ea5a5bfa14bbde

SHA512
1088b7454b0a1d240675e24f0e4d34a33bff61f39fb4bef2a10e1773e46bbecaa35f6486e1844d80a968246b9ead744a39ba949d7c5d268b5b0f30a2899a987a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\J6M39GIU\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
\??\c:\sysdump.dll

Filesize
4KB

MD5
0f5a93076c263c6bd7dfcaa6ce495b40

SHA1
679a41c69e1496aac73db8fd8655a52faa4a82ee

SHA256
140e42773f64358720b593129a59d9209a4749185c1f347483b051bc36007d3a

SHA512
b0e2d40d67323e27ce129c0eb2eff3ff5cf49271382f0cd01053047a7b00136f0cf15e2349355ed53e92e9a5f608c85d79c41d594683c9a2719de24de7a55568

Download Submit
\??\c:\temp1.bat

Filesize
196B

MD5
f9d03e7273985febb2e1d4152d7edea5

SHA1
cc9548e31d4f924d7350138975b18001241b68bf

SHA256
481efba00f8d421c9ad23249ad6052e2831b01da6d7058fc1fd6f19b2faea28c

SHA512
7977eadd94bc8a88fa237961542831e3b9f497992fe414d6f81ac4960a06d3a9449130ece49058792b8f5af48cd03b98f88ba1bd65e7e5fe1c450a2e164d0774

Download Submit
\??\c:\temp1.reg

Filesize
435B

MD5
492eb2c8ff983e87c95ca5a704c6f5b8

SHA1
8677a4e0d606a526b1c90f180116dea7a6bcb0de

SHA256
9f0388e16d77a4560acfe712ab8a8c6a171c5d369c4134cd3af9bec658bbd431

SHA512
ded2c5fa380fcfaa346dcb33a0775cc476ee7f152b0b54ed34b3e97958e200f1f9f01ed546adc2241d2462cfaf39e9e273eaba04cb2efcfbf7085ba9251acd6e

Download Submit
\??\c:\temp2.bat

Filesize
84B

MD5
b9975d30ddbd098a754312e16f744ec6

SHA1
9d41e8816bf8f8aa48356c99af46e64947a0d2ef

SHA256
6e4f3dd8bf9469f50bd04878da2bb005a9df85192a5c7428b4477cecbfd4747c

SHA512
5bdca7782ebe7a2d919c7c096d0b2e9927c68044a5ca802ce7a43e6d4d62fda7b5d7620a1154e640c9946def1b13539a948a58bf13697f897748dc66e3406c02

Download Submit
\??\c:\temp2.reg

Filesize
128B

MD5
6fdc273e79d8888a813c762aa55edc39

SHA1
a3e72c4eaf143697e3c1a29c8b1c223c121e1d58

SHA256
e0eb2406ae229d4df0d3ff5bb8f9bd907aa947b51fdbb6bed1a3238852849f6c

SHA512
370125ded5b43b67cfc8f28363086fc9b2c85c6fe53ab1e5e00281cf87292650b2abe7bf9420631ca405f4c7e213bed00c53432329cc5f7d6d1f615a02a1f253

Download Submit
memory/4140-0-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/4140-10-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads