hxxp://url8706[.]seifert-inc[.]com/ls/click?upn=lTl1NOnHRKE8-2Bq41t4QiKJKpzuLSuZB81tRZQnYXBDsW2YCS7KcWcMxx5iw-2Fli9H1V1Jsj2nT2HJP1PEDPOqxqA3g7RJ-2FJLGcsGuA7M597g-3DbNyR_DyZS12w6kKa37YcSWniv1vItl7caFC8WOW3ROMQzoDuJjDfiKvTmv09938eFlNxk03SZHJrcKMVfG5CpS34o0vDpyaAfUova3q6P144rWth8AqheaNVW9Gi66xfUgl-2BA8BWoLEvH-2FAcw65FihL370x4MFPCjphnt5bxpVPjv-2B-2Bk9pHM5mg4vyfxnseodg82zEcsPLp5-2F71QTThADDc8lFGxUQB4LpHGRhimGFhQXpwi24amRXX3t7C4nNk3On2NovF7c43JQyeQ0j6279jUeZIZqrt6b-2BJ4pZrFVPKris5Z5T-2BKISOrsIbfQM2j0tjWqUpBZ3vbqEmRY77TTnBho3QvqfUeCGZbiv9iMsvoPtCWv3pUv5wWRIEaVEXi-2FEU4fVgKAKeLEmkq9pDJ8sJUBdwCVCACvYUJAJt4gEjHIJZg-3D

Analysis

max time kernel
72s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2023, 16:39

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General

Target

http://url8706.seifert-inc.com/ls/click?upn=lTl1NOnHRKE8-2Bq41t4QiKJKpzuLSuZB81tRZQnYXBDsW2YCS7KcWcMxx5iw-2Fli9H1V1Jsj2nT2HJP1PEDPOqxqA3g7RJ-2FJLGcsGuA7M597g-3DbNyR_DyZS12w6kKa37YcSWniv1vItl7caFC8WOW3ROMQzoDuJjDfiKvTmv09938eFlNxk03SZHJrcKMVfG5CpS34o0vDpyaAfUova3q6P144rWth8AqheaNVW9Gi66xfUgl-2BA8BWoLEvH-2FAcw65FihL370x4MFPCjphnt5bxpVPjv-2B-2Bk9pHM5mg4vyfxnseodg82zEcsPLp5-2F71QTThADDc8lFGxUQB4LpHGRhimGFhQXpwi24amRXX3t7C4nNk3On2NovF7c43JQyeQ0j6279jUeZIZqrt6b-2BJ4pZrFVPKris5Z5T-2BKISOrsIbfQM2j0tjWqUpBZ3vbqEmRY77TTnBho3QvqfUeCGZbiv9iMsvoPtCWv3pUv5wWRIEaVEXi-2FEU4fVgKAKeLEmkq9pDJ8sJUBdwCVCACvYUJAJt4gEjHIJZg-3D

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2188618368"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2169936363"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2169936363"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31028151"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a97000000000200000000001066000000010000200000004597d07da867b295e3c023134954853ef45ebe78a278d028d23d67b6161f3fca000000000e8000000002000020000000ab6577e637faf9a81fdccbf62024523502c3b15bbbbd891bc007a5b57026580a20000000974ada65c9b1e3e283d806d8a163f025e3f2350b3ce246358bb368d5754bf06440000000a66e165385cd7b5bd56f0094e1309956f1988113eadc203b0a810f5133c3d0ce8ce6f101f41ec071265fa0a151c99bd988c31332713dd11031aba6f8b9f4f3f8	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31028151"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31028151"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ACE3D785-DFAA-11ED-ABF7-62080863D4B5} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "388780942"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f06d1284b773d901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a97000000000200000000001066000000010000200000004507d0342f92a6a23d3561771b5a0a680b05ad0a67ca25f3b3425766f93e0113000000000e8000000002000020000000f704432ea0aa0091de7c4872db741d89f8a8bf8ba2db0419f96a86075f36bef92000000014f6fb6759c1ab29feb9627914037aa6029baf8e3b219439720174beb03aa3164000000085b3e85f32daff4d385e5c196e5def81774e061b042c453590fc9940335dca6fff2fee33cbffe4001fa43624c462f69219938cdf615f8e8174c14835833a8a86	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 203d0484b773d901	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1636	iexplore.exe
1636	iexplore.exe
3760	IEXPLORE.EXE
3760	IEXPLORE.EXE
3760	IEXPLORE.EXE
3760	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 3760	1636	iexplore.exe	82
PID 1636 wrote to memory of 3760	1636	iexplore.exe	82
PID 1636 wrote to memory of 3760	1636	iexplore.exe	82

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://url8706.seifert-inc.com/ls/click?upn=lTl1NOnHRKE8-2Bq41t4QiKJKpzuLSuZB81tRZQnYXBDsW2YCS7KcWcMxx5iw-2Fli9H1V1Jsj2nT2HJP1PEDPOqxqA3g7RJ-2FJLGcsGuA7M597g-3DbNyR_DyZS12w6kKa37YcSWniv1vItl7caFC8WOW3ROMQzoDuJjDfiKvTmv09938eFlNxk03SZHJrcKMVfG5CpS34o0vDpyaAfUova3q6P144rWth8AqheaNVW9Gi66xfUgl-2BA8BWoLEvH-2FAcw65FihL370x4MFPCjphnt5bxpVPjv-2B-2Bk9pHM5mg4vyfxnseodg82zEcsPLp5-2F71QTThADDc8lFGxUQB4LpHGRhimGFhQXpwi24amRXX3t7C4nNk3On2NovF7c43JQyeQ0j6279jUeZIZqrt6b-2BJ4pZrFVPKris5Z5T-2BKISOrsIbfQM2j0tjWqUpBZ3vbqEmRY77TTnBho3QvqfUeCGZbiv9iMsvoPtCWv3pUv5wWRIEaVEXi-2FEU4fVgKAKeLEmkq9pDJ8sJUBdwCVCACvYUJAJt4gEjHIJZg-3D
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1636 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3760

Network

MITRE ATT&CK Enterprise v6

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
b3190077c7c84e2cfa647d44e0d7babb

SHA1
da898c8fe5d577196138df0b9857402ff931902a

SHA256
ca611b5f7c0759d63dc8f7d2ad6040bbca506e6d3249d4deb6432a5c8fcb855b

SHA512
f64b904af24f47cfd7967fcbe65adeb4379ae137e8cee5833134edf80729977f417f71b70174da3ac0ee26d34567c072e9f988a687b7d1e3331341cd4911df24

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

Filesize
434B

MD5
f9414e109f6cbe7d5b8ea0f7f06bdc72

SHA1
e6a25027afca7e7e92381c014d674faf54817006

SHA256
b5eb2d433ae6765a1ad87105527aa6d25e719605bb71c259e5da738acfb53bac

SHA512
9ef16b5a965a7e44787e0f0f4633ad829e97da9b868edc21db0ed9fddb11227b83644d343aea771cbb22ca0839c82b0d148b5385b57305423bf7aa2a57ae1606

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\dcpq11e\imagestore.dat

Filesize
1KB

MD5
cd4a45a948f998186c1e81110ff29e4c

SHA1
3c415123cf41a2d43f6c767dc7ea4073c83541f1

SHA256
059c73110b6c781631c77ade9bddcd6ee7ae0750f20a1b816b095ff294d9f59c

SHA512
9de41dcd852663b640835b3506f69c0f5d176e1d09c46ba5486297d8fcb5c551046f9186cb74f4c0e13fae5c558b59f66a1ddf3962d4a613baf8749fa4e78d6d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4HAJQ22Y\favicon[1].ico

Filesize
1KB

MD5
1f5103571dcb6984d79efd6e129d5c48

SHA1
ade1688fda202178126ecb7a56e851d482c50fb4

SHA256
0afb297fcaf9ac134966020c8cf37ad63121529f28a509a57b3c4ee502f14e13

SHA512
ab103067de4e6f9735f22ad58c52d9cea47bc111e60568b23964d321bd26942d1ef701e1da68c1c4a7f917bdf1342f0c51d4ec6029143ca04371ab0d20234d3e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5AN3FZ97\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit