Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
03-03-2023 16:47
Behavioral task
behavioral1
Sample
workkkkkkkk2.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
workkkkkkkk2.exe
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
workkkkkkkk2.exe
Resource
win10v2004-20230221-en
General
-
Target
workkkkkkkk2.exe
-
Size
7.8MB
-
MD5
b42af31cea64330d0465bed0510089c0
-
SHA1
3cd6c9277fe07111548e1030834c98e2412a380a
-
SHA256
aba8bad15949bd79d6b47939afbe4a8febf82eab89527f42a08836da9022d7b8
-
SHA512
138e37e9fea7a7fc50c9f1ddb61326825c5bda4418dace39024baa2062cebabe84f3df32bef41df937bb7427c948bd08830ef71d572941f5d23b4c87c9aa66f3
-
SSDEEP
196608:oIRcbH4jSteTGvKxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOf:odHsfuKxwZ6v1CPwDv3uFteg2EeJUO9E
Malware Config
Extracted
bitrat
1.38
n7dua2r7ev3r6fsisszycs7fvy4a36epnfje5s7lz5eiduoxetqg55ad.onion:80
-
communication_password
99754106633f94d350db34d548d6091a
-
install_dir
temp
-
install_file
test1
-
tor_process
test2
Signatures
-
ACProtect 1.3x - 1.4x DLL software 16 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\33245aa2\tor\libssl-1_1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libssl-1_1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libssp-0.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libssp-0.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libevent-2-1-6.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libevent-2-1-6.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libcrypto-1_1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libwinpthread-1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libwinpthread-1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libwinpthread-1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libgcc_s_sjlj-1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libcrypto-1_1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libgcc_s_sjlj-1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\libcrypto-1_1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\zlib1.dll acprotect C:\Users\Admin\AppData\Local\33245aa2\tor\zlib1.dll acprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
workkkkkkkk2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation workkkkkkkk2.exe -
Executes dropped EXE 1 IoCs
Processes:
test2.exepid process 868 test2.exe -
Loads dropped DLL 9 IoCs
Processes:
test2.exepid process 868 test2.exe 868 test2.exe 868 test2.exe 868 test2.exe 868 test2.exe 868 test2.exe 868 test2.exe 868 test2.exe 868 test2.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\33245aa2\tor\test2.exe upx C:\Users\Admin\AppData\Local\33245aa2\tor\test2.exe upx C:\Users\Admin\AppData\Local\33245aa2\tor\test2.exe upx C:\Users\Admin\AppData\Local\33245aa2\tor\libssl-1_1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libssl-1_1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libssp-0.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libssp-0.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libevent-2-1-6.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libevent-2-1-6.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libcrypto-1_1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libwinpthread-1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libwinpthread-1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libwinpthread-1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libgcc_s_sjlj-1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libcrypto-1_1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libgcc_s_sjlj-1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\libcrypto-1_1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\zlib1.dll upx C:\Users\Admin\AppData\Local\33245aa2\tor\zlib1.dll upx behavioral3/memory/868-167-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-168-0x0000000074460000-0x000000007452E000-memory.dmp upx behavioral3/memory/868-169-0x0000000074410000-0x0000000074459000-memory.dmp upx behavioral3/memory/868-173-0x0000000074340000-0x0000000074408000-memory.dmp upx behavioral3/memory/868-174-0x0000000074070000-0x000000007433F000-memory.dmp upx behavioral3/memory/868-176-0x0000000073F60000-0x000000007406A000-memory.dmp upx behavioral3/memory/868-177-0x0000000073ED0000-0x0000000073F58000-memory.dmp upx behavioral3/memory/868-179-0x0000000073EA0000-0x0000000073EC4000-memory.dmp upx behavioral3/memory/868-195-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-196-0x0000000074460000-0x000000007452E000-memory.dmp upx behavioral3/memory/868-199-0x0000000074340000-0x0000000074408000-memory.dmp upx behavioral3/memory/868-207-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-212-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-224-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-238-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-246-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-254-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-262-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx behavioral3/memory/868-270-0x0000000000BB0000-0x0000000000FB4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
workkkkkkkk2.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\test1 = "C:\\Users\\Admin\\AppData\\Local\\temp\\test1" workkkkkkkk2.exe -
Looks up external IP address via web service 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 68 myexternalip.com 85 myexternalip.com 86 myexternalip.com 87 myexternalip.com 67 myexternalip.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
workkkkkkkk2.exepid process 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: RenamesItself 28 IoCs
Processes:
workkkkkkkk2.exepid process 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
workkkkkkkk2.exedescription pid process Token: SeShutdownPrivilege 1264 workkkkkkkk2.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
workkkkkkkk2.exepid process 1264 workkkkkkkk2.exe 1264 workkkkkkkk2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
workkkkkkkk2.exedescription pid process target process PID 1264 wrote to memory of 868 1264 workkkkkkkk2.exe test2.exe PID 1264 wrote to memory of 868 1264 workkkkkkkk2.exe test2.exe PID 1264 wrote to memory of 868 1264 workkkkkkkk2.exe test2.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\workkkkkkkk2.exe"C:\Users\Admin\AppData\Local\Temp\workkkkkkkk2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Users\Admin\AppData\Local\33245aa2\tor\test2.exe"C:\Users\Admin\AppData\Local\33245aa2\tor\test2.exe" -f torrc2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:868
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
2.1MB
MD51756674bbccc3d724e7a08c08a6c62cb
SHA1a98926c8d67e12881b0dbea28586c3be1c78aff2
SHA256e412d1661645f7e462a71c0f31e50df3d396cb889dcb47b4f29740f581d518d3
SHA5127b219c7f74572d7028f9389e69487238cfcfcdd03015672a156daaf69ba50f68249223190692e651153bc00f96dd5f2240752288b083c903b946a524eac6ed9c
-
Filesize
4.8MB
MD5238c4925afa6d6e91d8ad6a731c29b6a
SHA14b9a2dd89f57bcb1655f214209dd217ed9c4c4be
SHA2560ac3026b101dfa3db9e9a5ef2e696948c53eb071d1b1716658a3e2a1abb05626
SHA512ead0b04ec16bbe75d9958b5eaf0c8a0fd9cec825733299ec4ba379220df46d6eb73569d645103b6bd3a3dc2770f19c927c80e5390f17919eae113697f47e9971
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Filesize
1.7MB
MD52384a02c4a1f7ec481adde3a020607d3
SHA17e848d35a10bf9296c8fa41956a3daa777f86365
SHA256c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369
SHA5121ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503
-
Filesize
1.7MB
MD52384a02c4a1f7ec481adde3a020607d3
SHA17e848d35a10bf9296c8fa41956a3daa777f86365
SHA256c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369
SHA5121ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503
-
Filesize
1.7MB
MD52384a02c4a1f7ec481adde3a020607d3
SHA17e848d35a10bf9296c8fa41956a3daa777f86365
SHA256c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369
SHA5121ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503
-
Filesize
366KB
MD5099983c13bade9554a3c17484e5481f1
SHA1a84e69ad9722f999252d59d0ed9a99901a60e564
SHA256b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838
SHA51289f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2
-
Filesize
366KB
MD5099983c13bade9554a3c17484e5481f1
SHA1a84e69ad9722f999252d59d0ed9a99901a60e564
SHA256b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838
SHA51289f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2
-
Filesize
286KB
MD5b0d98f7157d972190fe0759d4368d320
SHA15715a533621a2b642aad9616e603c6907d80efc4
SHA2562922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5
SHA51241ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496
-
Filesize
286KB
MD5b0d98f7157d972190fe0759d4368d320
SHA15715a533621a2b642aad9616e603c6907d80efc4
SHA2562922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5
SHA51241ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496
-
Filesize
439KB
MD5c88826ac4bb879622e43ead5bdb95aeb
SHA187d29853649a86f0463bfd9ad887b85eedc21723
SHA256c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f
SHA512f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3
-
Filesize
439KB
MD5c88826ac4bb879622e43ead5bdb95aeb
SHA187d29853649a86f0463bfd9ad887b85eedc21723
SHA256c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f
SHA512f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3
-
Filesize
88KB
MD52c916456f503075f746c6ea649cf9539
SHA1fa1afc1f3d728c89b2e90e14ca7d88b599580a9d
SHA256cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6
SHA5121c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd
-
Filesize
88KB
MD52c916456f503075f746c6ea649cf9539
SHA1fa1afc1f3d728c89b2e90e14ca7d88b599580a9d
SHA256cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6
SHA5121c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd
-
Filesize
188KB
MD5d407cc6d79a08039a6f4b50539e560b8
SHA121171adbc176dc19aaa5e595cd2cd4bd1dfd0c71
SHA25692cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
SHA512378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c
-
Filesize
188KB
MD5d407cc6d79a08039a6f4b50539e560b8
SHA121171adbc176dc19aaa5e595cd2cd4bd1dfd0c71
SHA25692cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
SHA512378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c
-
Filesize
188KB
MD5d407cc6d79a08039a6f4b50539e560b8
SHA121171adbc176dc19aaa5e595cd2cd4bd1dfd0c71
SHA25692cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
SHA512378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c
-
Filesize
973KB
MD55cfe61ff895c7daa889708665ef05d7b
SHA15e58efe30406243fbd58d4968b0492ddeef145f2
SHA256f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
SHA51243b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da
-
Filesize
973KB
MD55cfe61ff895c7daa889708665ef05d7b
SHA15e58efe30406243fbd58d4968b0492ddeef145f2
SHA256f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
SHA51243b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da
-
Filesize
973KB
MD55cfe61ff895c7daa889708665ef05d7b
SHA15e58efe30406243fbd58d4968b0492ddeef145f2
SHA256f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
SHA51243b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da
-
Filesize
157B
MD53482761e23f1f48d90244a4296a61933
SHA1c162137facb3af28f9366980c4dbfe64299deed9
SHA256e59386eaf356582459af2a8061ac59358fb217c2e94e0845c6c39e9e5909679f
SHA5128ec0e3bc73026cede5dd853223524a196b16e48fa55e4c62217fa9e36197ba586d98a7bfb7faa4c7948372691b5d084aff0ed6307be5ba80b547699767390eab
-
Filesize
52KB
MD5add33041af894b67fe34e1dc819b7eb6
SHA16db46eb021855a587c95479422adcc774a272eeb
SHA2568688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183
SHA512bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa
-
Filesize
52KB
MD5add33041af894b67fe34e1dc819b7eb6
SHA16db46eb021855a587c95479422adcc774a272eeb
SHA2568688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183
SHA512bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa