cf3338703b70336cfa7df13bff202a3ae0d1c2c99d9bf82be4bce1345f917951

Analysis

max time kernel
121s
max time network
137s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 15:57

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General

Target

b918d7093e4e2999115fb121674a58c2.exe
Size

22KB
MD5

b918d7093e4e2999115fb121674a58c2
SHA1

f164f2b996f1a14822b8631d2aa6602eed9293b1
SHA256

cf3338703b70336cfa7df13bff202a3ae0d1c2c99d9bf82be4bce1345f917951
SHA512

26ed154294fbe08119c8d95a51dd67069ffe6b8e6eddaaa1d5fd7ef79d5095ee28957df81cd212d222e3fd9f33601ca1bc6f52a699634fd5aed7f9e85fd1ef71
SSDEEP

384:WIvM9+X3z7a/5SARyFhREujPS9rFtKmRUAj2NIgLguygq0y:W4t05SAYEujP6rfRTn6By

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/272-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/272-7-0x0000000000400000-0x000000000040D000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WebSiteViewer\111968.exe	b918d7093e4e2999115fb121674a58c2.exe
File opened for modification	C:\Program Files (x86)\WebSiteViewer\111968.exe	b918d7093e4e2999115fb121674a58c2.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 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80329149a870da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{74CFE7C1-DC9B-11EE-8795-52ADCDCA366E} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000007823eddbcee3e149bc4db86b21295af600000000020000000000106600000001000020000000968528aea403967387e42b63380003cb02f2defc244846ebae6eff7cdb0bc7ab000000000e800000000200002000000073f52f2735b35010b6d63491b5edfe41c564f2127eb2048aef18f228b4587329200000001dfbdb4c3bf574ec2f21e79ea32d13b2a3547415971f3aab4ff9255a854d6afd400000001d13fa58a15fef6a85d4f01cf405e895984f426f86ebf73d5f27bc5f198a2fee3510a64c18d9b1eb2afe32e37faa1211ad6231e01206c4d1e3cbc9fc36e75d3e	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "415988947"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1868	iexplore.exe
1868	iexplore.exe
2064	IEXPLORE.EXE
2064	IEXPLORE.EXE
2064	IEXPLORE.EXE
2064	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 272 wrote to memory of 1868	272	b918d7093e4e2999115fb121674a58c2.exe	28
PID 272 wrote to memory of 1868	272	b918d7093e4e2999115fb121674a58c2.exe	28
PID 272 wrote to memory of 1868	272	b918d7093e4e2999115fb121674a58c2.exe	28
PID 272 wrote to memory of 1868	272	b918d7093e4e2999115fb121674a58c2.exe	28
PID 1868 wrote to memory of 2064	1868	iexplore.exe	29
PID 1868 wrote to memory of 2064	1868	iexplore.exe	29
PID 1868 wrote to memory of 2064	1868	iexplore.exe	29
PID 1868 wrote to memory of 2064	1868	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\b918d7093e4e2999115fb121674a58c2.exe
"C:\Users\Admin\AppData\Local\Temp\b918d7093e4e2999115fb121674a58c2.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:272
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.dialeradmin.com/cgi-bin/err.cgi?ver=1.002&code=9&info=404&aid=111968&winver=Windows+NT+6.1;7601;9.11.9600.16428&ci=1-12
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1868 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a28758cb449a26b10fd07dbefb7f1801

SHA1
9be31971080c36e4db2fcf24ffccd83021488abc

SHA256
cedc6f23bfa4c79da49f087753dec712272d1c712c9aec145d359a40d8e06513

SHA512
9a69915586d15308b3548349132f5ee510c69940fc7e13a267121d38dbfde889d9a90c17eb89289d0b2bbe64b5bd711e0daa29615b3f328f92464c43c40029c1

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
b4ce52919b4a23e714aa98d83429845b

SHA1
01ce7c110b5cacba0aa0c93fcb9682b15c2f6fe3

SHA256
acd7e466b811c47b3f9c8491da85ee0a5f19b4af575e1e9032b74c818765858a

SHA512
6c17aaa3d05da68df22182c4278e4e5e44155cc88997a677066c52c7d80e94d08253c0f6e270f7c54cd773bbb4502be31dcc4ad71de23b1ae5b262b1cb0a62ff

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
14447b5c739f419118c16238f8d9d4da

SHA1
4194276bc3751d7facd56e4ef1a1871fa7b2050e

SHA256
81c2473bd2905056a4f7360819f322444c783f6906782c1756b394be5a7845f7

SHA512
757f0db1878c3578a79b3227585bf9c57262159ed84f08b95f1542b90bd93e0d1cf968df907a8885ec04b16090578f48af0731a976fd58b018c059a4c0a5fd20

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ca81f74e965ef8b533c2fb9903d5aca6

SHA1
3dc97386fbb53a894999816713dce7032026b9f6

SHA256
afa1ea1d4337b41d66450195898e49e4cd8fc1db764dfebd19adbd37730fb631

SHA512
f019d65d57a47d8bff8be51537293222b0c0c1c21ec0a16cfc3d91d622e7df738f25c43b51f295634cf841b7abdb637893a7ad42106971f89fa84528cc7d734c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
09754bd2347f5e5fec85dca0804feb5c

SHA1
6520e91a4aa477a147e3d1559eac5df5ddd0fd4c

SHA256
5453e1b7d3c23d79a3c50e157b5ae781e41bc9c88bb747e26460dc4cb6c724b3

SHA512
d2d31089487ff800770a4c752fe7a5c1c3499a6ea3104bec37ffbdc09696378d5c3dde2d388c89cf1eb80284448b13faa7fbae5e1fea62896185f6b915b0a920

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a43de5b920fa188fe62252b01f2f4845

SHA1
830bde3d97db11f71b6e9724dc0e5f52fcc82d8c

SHA256
2c998015386ef9e782df0b92d099ab378be9ca70d99605d39a6afc0e173f1fa1

SHA512
09d0b5961fb8571b71db8db7aa87a75d24e826ff88667e93b22682945d1b13347bcf6f8ac7c73697d2abdec025cb6488f8f953e1db37cfe0f2ee44d390472984

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
b5dbc04bc5ac147a0fc7c318dea0b9c4

SHA1
ed4a841884fb6c2cde2f55911990b8d64fc5b7af

SHA256
5ead354d936938c935d22a36582001a2a0cc4c3a91e9b948b1883eabf8178dc8

SHA512
b74f7155142eab6466da3ad389a045611e16ba8674d81719f1bc83fa7b67d8470e0f30d0585ec13a18635d480b195b7258d07433ff838cdc0ca35aad603f901f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9090b37b93edb4cfea3296d065460787

SHA1
63ebf7771b3bee3f7937dd2e73cd96fe50a97ea7

SHA256
6f8c2f8fc6008b8fe8e3e6d8385365442ff6739a404304811b22e69ada39a921

SHA512
ac7e24f3a80000be66041bd8b2eb92fead5f832e78d7a5a60d5d731fdbbcb0da1719a1af111e91b5b307847251088678aa04a7008d3af15fddfeb538ca396d88

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ce1f485b626fdec1d70249a8fa0355e3

SHA1
1c5e9bbb2c8cd05521c134bf6253049378797fc6

SHA256
8131313a98eb5ec08ba7aa9c3399a9391b0d30f80d3fbba1146e1e5d1fe0eab9

SHA512
a027c9d6382262be109fda7ed409d23b5af825d49de8421855b1c1a760764f619b8a906f5241d969f38327f0f59cb0e61e39470fa146726de9020f59f2569a11

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
bb74bfc93a18da47511008e5d57c4550

SHA1
9067badefdf247023a28e7d955478e744203be97

SHA256
7b38ffa4b33dcac6c9966b35dd78305592f663b0037c484c9c51ebf5bf1bdccc

SHA512
a1b5d108d1c18c9846d72e7ef3b0c2c83ccf6b64671ef0e0afdb20f71ef24663bf5a144db8b63eb9f99c56323a51f7afe818a0aaf2d03d9b817b9c628217222b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
0c9d243e2930a9f1cd37f95480dfb911

SHA1
bcddcab65dd2b2eff0f748419bb3638d45fca6c5

SHA256
fd8bcb81fba7ea67faaa118d8b059df2ba3530f90440654a7a849b21ee75cb73

SHA512
e32904de0169bc2ff0d6328c0ca395c6503422054d47c12a2fa7729e297b1d4fd83a05c68ece4c85e9fb3332b617574ce29ac572c1b98a170c40a2bd572ad3a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab67CB.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6ADE.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
memory/272-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/272-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download