5071b54669bb1e88422c6c340204b0b3a0ffd07e2ac1d747ccbd1447abc92948

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2023 15:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

nircmdc.exe
Size

43KB
MD5

0e69b6bd18e064c83a11b48495c1b01e
SHA1

21c4cc08d3600c564bd0d04c8553e59f564bfff4
SHA256

67e0d635825cbf7cc213670f671544da9ff18047742dd4a0696a508b79eef607
SHA512

e7c9b9209359183ade3502ad9c8807b7948d38fd0ef883655decef2e5f212be646a0e3fd93b51988595511b979c669dee8f9f2a3ba90a4b0cecf0423ff2d3f51
SSDEEP

768:UF24SNifq4YWc5uEvW7KrQaFzs4C9B18sEufqnYIG0y8XmEsYR2fWIrKiSU:UMNG9c5jfQ8XoB18FufVIG092lWAKiSU

Score

9^/10

upx

Malware Config

Signatures

Nirsoft 1 IoCs

resource	yara_rule
behavioral10/memory/4420-1-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral10/memory/4420-0-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral10/memory/4420-1-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 43 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURL = "http://www.bing.com/favicon.ico"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IE11SR"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTSuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&market={language}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}&sectionHeight={ie:sectionHeight}&FORM=IENTSS"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4cc62da77d25b48a952cb775bb65c47000000000200000000001066000000010000200000007dd669cf8664c29ed75d9cd4928cd5f95820cef0302622f003a4fdd6148a0b70000000000e80000000020000200000006d9dee02bb7b8ad42210798cfad6c6e0efbb375cd050ad98e3f989ef2ac3340550000000113766e789f3e5e533e35426a436ec437fdad5a617cd8d4683b38540c58c4be812b2cb60ea2cdaf91e217d30ba0d92f56311d5fdd9ae0e2e9979814161c5f7f2d27f9c556e640296d26e2e90b1d4e74c400000002ac479b48db654539ec3c9c6a40598c5a7c75d4103a718ffd8aba73eb13e57a5d7eab454599d317a058ba17ccbdb39936ce9f4bf00b12d34b27a03d2906f363d	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\KnownProvidersUpgradeTime = 6367109fb103da01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}&sectionHeight={ie:sectionHeight}&FORM=IESS02&market={language}"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{0633EE93-D776-472f-A0FF-E1416B8B2E3A}"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4cc62da77d25b48a952cb775bb65c47000000000200000000001066000000010000200000000638b3de83c553c7210b7ce2497cf9a8fe69559187d3f1e9ef2972e51d67622a000000000e800000000200002000000016852df5d31de5cbf9564d67d13271465d5f3fd3ec84ed9f035fd68d4f81547d100000005a30ce55d6e1d9f2b077f44bde67bccd40000000ac60f51d42b0ffd0e5bc35e1c01ac9e27cc1ba1ef79416030961cfa9e089d6c89b85ac4fad05b42eb2772a5c38cf67f5c218a70795212d9f86e63c4cb7da9c25	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IESR02"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}&sectionHeight={ie:sectionHeight}&FORM=IESS02&market={language}"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTSR"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}&sectionHeight={ie:sectionHeight}&FORM=IE11SS&market={language}"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\DisplayName = "Bing"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\User Preferences	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\Version = "5"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C0D5146A-7670-11EE-91E2-CA574F33442A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}&sectionHeight={ie:sectionHeight}&FORM=IE11SS&market={language}"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\UpgradeTime = 6367109fb103da01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoURL = "http://go.microsoft.com/fwlink/?LinkID=403856&language={language}&scale={scalelevel}&contrast={contrast}"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4cc62da77d25b48a952cb775bb65c470000000002000000000010660000000100002000000037ea5f51451342a061bb4d049bda1b43d7c6435de913b42fd4d3fc6e8a27fe95000000000e800000000200002000000045fe9dc3dc8b78f600c90d4fa47ef851b097500e4f20bdae2f1975840d9968c810000000d34f6dbe2478ad8b356991f85b1189bd40000000f6435c5b21f68e686d3f9e48fa2fa692edbca6694816425e978d971ed1326aa4edd5e2c8bc6ec3e7f83379452e1ee2c28481b57da2362cf1f14394014bd91267	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURLFallback = "http://www.bing.com/favicon.ico"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTTopResultURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTTR"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3872	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3872	iexplore.exe
3872	iexplore.exe
1792	IEXPLORE.EXE
1792	IEXPLORE.EXE
1792	IEXPLORE.EXE
1792	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 1792	3872	iexplore.exe	112
PID 3872 wrote to memory of 1792	3872	iexplore.exe	112
PID 3872 wrote to memory of 1792	3872	iexplore.exe	112

C:\Users\Admin\AppData\Local\Temp\nircmdc.exe
"C:\Users\Admin\AppData\Local\Temp\nircmdc.exe"
1⤵
PID:4420

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\DenyWatch.gif
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3872 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1792

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

Download Submit
C:\Users\Admin\AppData\Local\Temp\KnoFA73.tmp

Filesize
88KB

MD5
002d5646771d31d1e7c57990cc020150

SHA1
a28ec731f9106c252f313cca349a68ef94ee3de9

SHA256
1e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f

SHA512
689e90e7d83eef054a168b98ba2b8d05ab6ff8564e199d4089215ad3fe33440908e687aa9ad7d94468f9f57a4cc19842d53a9cd2f17758bdadf0503df63629c6

Download Submit
memory/4420-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4420-1-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download