Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
29/02/2024, 16:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
pei.exe
Resource
win7-20240221-en
windows7-x64
12 signatures
150 seconds
General
- Target pei.exe
- Size 9KB
- Sample240229-t61a5aef31
- SHA256 e172537adcee1fcdc8f16c23e43a5ac82c56a0347fa0197c08be979438a534ab
- MD5 62b97cf4c0abafeda36e3fc101a5a022
- SHA1 328fae9acff3f17df6e9dc8d6ef1cec679d4eb2b
- SHA512 32bd7062aabd25205471cec8d292b820fc2fd2479da6fb723332887fc47036570bb2d25829acb7c883ccaaab272828c8effbc78f02a3deeabb47656f4b64eb24
- SSDEEP 96:zM2BLwN8GXhc1I+a8gnYFdj9DSYp+BYA8v7cVO15uJxGE9YUBz2qh3C7tCE4ecp:AIwNfC1TUYv9p+OF8JxTmUBzthcqp
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
phorphiex
C2
-
http://185.215.113.66/
Wallets
-
0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b
-
THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto
-
1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6
-
qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
-
XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL
-
LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX
-
rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH
-
ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ
-
48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg
-
3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC
-
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
-
D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH
-
t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn
-
bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd
-
bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg
-
bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
-
GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE
Signatures
- Phorphiex payload 1 IoCs
resource yara_rule behavioral2/files/0x0009000000023263-14.dat family_phorphiex -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 939220888.exe - Downloads MZ/PE file
- Executes dropped EXE 8 IoCs
pid Process 4652 939220888.exe 1360 2951630318.exe 4460 117909736.exe 928 3189419346.exe 1456 19031306.exe 1288 1800717379.exe 3800 2110821806.exe 5000 1916712204.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 2951630318.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 3189419346.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 939220888.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2951630318.exe - Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysdinrdvs.exe" 3189419346.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\sysdinrdvs.exe" 3189419346.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\winxsdrvcsa.exe" 939220888.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\winxsdrvcsa.exe" 939220888.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winknavrso.exe" 2951630318.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winknavrso.exe" 2951630318.exe - Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\winknavrso.exe 2951630318.exe File created C:\Windows\sysdinrdvs.exe 3189419346.exe File opened for modification C:\Windows\sysdinrdvs.exe 3189419346.exe File created C:\Windows\winxsdrvcsa.exe 939220888.exe File opened for modification C:\Windows\winxsdrvcsa.exe 939220888.exe File created C:\Windows\winknavrso.exe 2951630318.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3884 4460 WerFault.exe 98 - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 528 NOTEPAD.EXE - Suspicious behavior: SetClipboardViewer 2 IoCs
pid Process 1360 2951630318.exe 928 3189419346.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4060 wrote to memory of 4652 4060 pei.exe 93 PID 4060 wrote to memory of 4652 4060 pei.exe 93 PID 4060 wrote to memory of 4652 4060 pei.exe 93 PID 4652 wrote to memory of 1360 4652 939220888.exe 94 PID 4652 wrote to memory of 1360 4652 939220888.exe 94 PID 4652 wrote to memory of 1360 4652 939220888.exe 94 PID 4652 wrote to memory of 4460 4652 939220888.exe 98 PID 4652 wrote to memory of 4460 4652 939220888.exe 98 PID 4652 wrote to memory of 4460 4652 939220888.exe 98 PID 1360 wrote to memory of 928 1360 2951630318.exe 99 PID 1360 wrote to memory of 928 1360 2951630318.exe 99 PID 1360 wrote to memory of 928 1360 2951630318.exe 99 PID 4652 wrote to memory of 1456 4652 939220888.exe 103 PID 4652 wrote to memory of 1456 4652 939220888.exe 103 PID 4652 wrote to memory of 1456 4652 939220888.exe 103 PID 928 wrote to memory of 1288 928 3189419346.exe 106 PID 928 wrote to memory of 1288 928 3189419346.exe 106 PID 928 wrote to memory of 1288 928 3189419346.exe 106 PID 928 wrote to memory of 3800 928 3189419346.exe 108 PID 928 wrote to memory of 3800 928 3189419346.exe 108 PID 928 wrote to memory of 3800 928 3189419346.exe 108 PID 928 wrote to memory of 5000 928 3189419346.exe 109 PID 928 wrote to memory of 5000 928 3189419346.exe 109 PID 928 wrote to memory of 5000 928 3189419346.exe 109
Processes
-
C:\Users\Admin\AppData\Local\Temp\pei.exe"C:\Users\Admin\AppData\Local\Temp\pei.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Users\Admin\AppData\Local\Temp\939220888.exeC:\Users\Admin\AppData\Local\Temp\939220888.exe2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Users\Admin\AppData\Local\Temp\2951630318.exeC:\Users\Admin\AppData\Local\Temp\2951630318.exe3⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: SetClipboardViewer
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Users\Admin\AppData\Local\Temp\3189419346.exeC:\Users\Admin\AppData\Local\Temp\3189419346.exe4⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: SetClipboardViewer
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Users\Admin\AppData\Local\Temp\1800717379.exeC:\Users\Admin\AppData\Local\Temp\1800717379.exe5⤵
- Executes dropped EXE
PID:1288
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C:\Users\Admin\AppData\Local\Temp\2110821806.exeC:\Users\Admin\AppData\Local\Temp\2110821806.exe5⤵
- Executes dropped EXE
PID:3800
-
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C:\Users\Admin\AppData\Local\Temp\1916712204.exeC:\Users\Admin\AppData\Local\Temp\1916712204.exe5⤵
- Executes dropped EXE
PID:5000
-
-
-
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C:\Users\Admin\AppData\Local\Temp\117909736.exeC:\Users\Admin\AppData\Local\Temp\117909736.exe3⤵
- Executes dropped EXE
PID:4460 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 3244⤵
- Program crash
PID:3884
-
-
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C:\Users\Admin\AppData\Local\Temp\19031306.exeC:\Users\Admin\AppData\Local\Temp\19031306.exe3⤵
- Executes dropped EXE
PID:1456
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4460 -ip 44601⤵PID:4612
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\0.txt1⤵
- Opens file in notepad (likely ransom note)
PID:528
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8XRBHXP1\4[1]
- Size 17KB
- SHA256 1a50293341baa2c41d3001c09d23c2c54d24c8b4ad8697b25ec66dbf1d7803a4
- MD5 975a47206a677c055af488960f268d9f
- SHA1 4ce2d8bdaa8c55d4f6e592dffb6093d8a3f7ee33
- SHA512 1aa07bab14b78df9721e892df2d8c4f895666621c5dcaa3b33bf955e37c6bc2eeb0b802898dd8b2c7eb9ca93a6fd02c845aabafae0d5bc9882bea510a3719c4b
- SSDEEP 384:3rxdlr0s2EyH0hGbcl6UTkiQwCIUg1YcTm2DNP5izzEj:3tdh035CSclZlCE71Q4j
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FILN3D3Q\1[1]
- Size 23KB
- SHA256 4ecc3858eb5f437af29b9a7ed8fce1b2b6650573f06df09e551e77b1e599195b
- MD5 07d8d1886e9515653645a06317888a14
- SHA1 50efdfb1b292bb28b9177e19e898d8b4ec59ec09
- SHA512 09d51a4ddb2d7e772547f5af7987cbd79c907b5cdcb13e6e3562d81a1a097c3a38f9f1b7c6b98ca81687990dcefdccb2b025ce2b253981dd94ecb554184e6894
- SSDEEP 384:bwHpS3LDv1xjNaM69O/i01RnL+WoLrLdSIR7KDNxfQpkrlpzdZ5zj4y0AgH3CxwU:8Hp0Lb1xj1iQi01RL+WoLrLIIRUrjlpZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FILN3D3Q\5[1]
- Size 84KB
- SHA256 c1b2b4d052f98028e6b32955ed052881591bbaa57f11279b7745cc26566f8268
- MD5 b464b1ac75172e05db725d17b9bb9044
- SHA1 cc8689ef9f70be7210520bd68b9767e3c6f1e363
- SHA512 9adab953f44c68cd0eb37873a51d18827a06bf4d99d4d354053e16bd4c3bb272b9c9290cc4190919f9d89bfe6d304546ddffc460f8ee2ed8e75a9bd3e13294e2
- SSDEEP 1536:xubuTOzoKTY/Vpn9ReZqW+QipRlqlQw/K8T3bUkAm3x+SzG/Dcsbq/wBsKCyl2B:xubuTOpTs/9ReZqnpRlIK8T3bUextq/u
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\117909736.exe
- Size 17KB
- SHA256 12795baa56912fee4647a20f0bdbac53637aa205704274a77a9f688f7aec70cf
- MD5 b97dfe854a69f7a20c3cc0910904d438
- SHA1 1d89880053920f138b3000008fdd1d7ef698d271
- SHA512 34481c2b1e3ea3cb15d8263019b3c9530f1f3a36de1aaa59c1a5889a290e51e6e845d5a1cf7d40f57b847b1005beaa9d6c2395e16f31e6ca9ffaefc75333caba
- SSDEEP 384:ZNSgAujjzuweeeeeeeeWeeeee9MMpPweeeeeeeeWeeeee9MMpPweeeeeeeeWeeeU:OgxbeeeeeeeeWeeeeeCeeeeeeeeWeeeX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\19031306.exe
- Size 84KB
- SHA256 93f3f99a6d6dc69b907a3da8596bd850c1e3ce53be9bf1c6edfdb00e90579e6f
- MD5 41d55c23d79fc0c0c322db16c6ce6af8
- SHA1 e4bbdf2a983a11975a7ab6dcba41cb60676ec780
- SHA512 06680eb47802659dc2e28cd9a839052a8536112056db49f7179f1b53cf2dba0e9cfd9d8bbdeb446ecb8a2f4a58f7b0f100d0526660d4afd8540a4db091cf621f
- SSDEEP 1536:fhLCZdBFmav82unyYNrbmpcKHZdX7Xl0CF:5eZUOuPHKrXl0CF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\2951630318.exe
- Size 23KB
- SHA256 84daa9d52f759af343741880a3b66a3abb886310de7f552743d99e69741c6450
- MD5 9d2b22562b9a3958dfd7e6e6fa7bd66f
- SHA1 1941c24958ac09cf518f4124225b2d0b5d874cf0
- SHA512 8c0b54e01f62207edaaf8f967fe83eacd3e278660c1764feb3fde68bfd376ba875012849f969d8b5922bd6b791a231bf75dc76eade227e2fd25f4791163d9dd1
- SSDEEP 384:psxGwxN5Af+2v877Oo0MOQ+XceXUoRgWScdQhue4/5zF:pSGxCeo4MeXUoiR4e4/5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3189419346.exe
- Size 84KB
- SHA256 41eac81105327a9bdb98bf783698eb53d385c07c2a7a7dc6c207f81302f807c3
- MD5 327f84628e45d23cf22fe1241e0e6919
- SHA1 5cadf08fe7f12320819a505ed0fea0995dc83c95
- SHA512 d4c7eeab2672e5bbf2479d14f61c8119df5979ceaaca06e035644c9a83de38b63973d4a7a7c5e9210d0f214354ec33194c94565624b43631210952a5c0a429d9
- SSDEEP 1536:hhLCZdBFmav82unyYNrbmpcKHZdX7Xl0CF:beZUOuPHKrXl0CF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\939220888.exe
- Size 79KB
- SHA256 94a66eea65edd08ca19bf6db266058e81714312b6a51892298b461ffd8b90161
- MD5 bb3d7bd66c92454429a8c78bf64f977b
- SHA1 85563e7850d20f984a6264f68602fcc8a2b1a73f
- SHA512 cacd552b6cb5a1b1ee3569428681d154c25f6fa4b7141e33a64153b30711c345b6335161aa4a87688c047610cca141091b57cf8fe883769495a3b6caf3f03ea0
- SSDEEP 1536:AQaPX8E9Fmavs2ThOBYHpCVfF7kIchZU8mcwpjNV6IqTlEpF:AQ48BOLhO/DMZJxwpjmTlEpF
- MD5 SHA1 SHA512 SSDEEP