Analysis
- max time kernel
68s - max time network
154s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
24/11/2022, 04:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe
Resource
win7-20221111-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe
Resource
win10v2004-20221111-en
17 signatures
150 seconds
General
- Target 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe
- Size 1.5MB
- Sample221124-e3s1bahb79
- SHA256 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208
- MD5 c7ec863b390d77f98d3924f4f838b80a
- SHA1 711f770265d2af9aef246069e90bf3828aee4fdd
- SHA512 ff00326a6cc4c65c17deb849a14701de1f924c375637ae366523d8c91801a3bc63234c42bee69e420bca48653503d683c08bbdc0b49e545568fdd51bdd22b7ed
- SSDEEP 24576:74lavt0LkLL9IMixoEgeawclhApXk3hxyMrO2fLDCzIWlQc3usq9MmCS:Okwkn9IMHeawclSp6TykDMlB3raPCS
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- NirSoft MailPassView 14 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/files/0x000b00000001231e-55.dat MailPassView behavioral1/files/0x000b00000001231e-56.dat MailPassView behavioral1/files/0x000b00000001231e-57.dat MailPassView behavioral1/files/0x000b00000001231e-58.dat MailPassView behavioral1/files/0x000b00000001231e-60.dat MailPassView behavioral1/files/0x000b00000001231e-61.dat MailPassView behavioral1/files/0x0008000000012347-64.dat MailPassView behavioral1/files/0x0008000000012347-66.dat MailPassView behavioral1/files/0x0008000000012347-67.dat MailPassView behavioral1/memory/624-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/624-73-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/624-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/624-77-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/624-85-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView - NirSoft WebBrowserPassView 14 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/files/0x000b00000001231e-55.dat WebBrowserPassView behavioral1/files/0x000b00000001231e-56.dat WebBrowserPassView behavioral1/files/0x000b00000001231e-57.dat WebBrowserPassView behavioral1/files/0x000b00000001231e-58.dat WebBrowserPassView behavioral1/files/0x000b00000001231e-60.dat WebBrowserPassView behavioral1/files/0x000b00000001231e-61.dat WebBrowserPassView behavioral1/files/0x0008000000012347-64.dat WebBrowserPassView behavioral1/files/0x0008000000012347-66.dat WebBrowserPassView behavioral1/files/0x0008000000012347-67.dat WebBrowserPassView behavioral1/memory/432-78-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/432-79-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/432-82-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/432-84-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/432-86-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView - Nirsoft 19 IoCs
resource yara_rule behavioral1/files/0x000b00000001231e-55.dat Nirsoft behavioral1/files/0x000b00000001231e-56.dat Nirsoft behavioral1/files/0x000b00000001231e-57.dat Nirsoft behavioral1/files/0x000b00000001231e-58.dat Nirsoft behavioral1/files/0x000b00000001231e-60.dat Nirsoft behavioral1/files/0x000b00000001231e-61.dat Nirsoft behavioral1/files/0x0008000000012347-64.dat Nirsoft behavioral1/files/0x0008000000012347-66.dat Nirsoft behavioral1/files/0x0008000000012347-67.dat Nirsoft behavioral1/memory/624-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/624-73-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/624-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/624-77-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/432-78-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/432-79-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/432-82-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/432-84-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/624-85-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/432-86-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft - Executes dropped EXE 2 IoCs
pid Process 1368 5359.exe 1000 Windows Update.exe - Loads dropped DLL 5 IoCs
pid Process 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 1368 5359.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1000 set thread context of 624 1000 Windows Update.exe 31 PID 1000 set thread context of 432 1000 Windows Update.exe 32 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1000 Windows Update.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1000 Windows Update.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1000 Windows Update.exe - Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1368 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 28 PID 1964 wrote to memory of 1368 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 28 PID 1964 wrote to memory of 1368 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 28 PID 1964 wrote to memory of 1368 1964 27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe 28 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1368 wrote to memory of 1000 1368 5359.exe 29 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 624 1000 Windows Update.exe 31 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32 PID 1000 wrote to memory of 432 1000 Windows Update.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe"C:\Users\Admin\AppData\Local\Temp\27b4901190ca632259654b1d1372d3fffa7e6181a120ba49b79f007872c1a208.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\AppData\Local\Temp\5359\5359.exe"C:\Users\Admin\AppData\Local\Temp\5359\5359.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"4⤵
- Accesses Microsoft Outlook accounts
PID:624
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"4⤵PID:432
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\5359\5359.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\5359\5359.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
- Size 47B
- SHA256 8b33ae37499834632badee9e8c109d39aad2761be6b8072384454c7f3e6568b2
- MD5 8e387b1fc00d4621b13070fd3a401f5a
- SHA1 6c474d7e098abd8e0ccc5398bf98830b949e76ba
- SHA512 a5caaaea9c6f8695076b7f22a109be6f5e61ac3382af427b386391737218213bb759a0a6725f4994c77891fe2be6cd7819867c85fd3541835207f9495394f865
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\holderwb.txt
- Size 2B
- SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
- MD5 f3b25701fe362ec84616a93a45ce9998
- SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Windows Update.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Windows Update.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\5359\5359.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\5359\5359.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\5359\5359.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\5359\5359.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\Windows Update.exe
- Size 502KB
- SHA256 62b9687cab4f8328405476e7d90afdfe614941e25ed4f6df6c4ce102bd77cb44
- MD5 71506c85564ad3bdfd6f738959a79e42
- SHA1 e5087a6a32e95ea8ac2490cd6ca8b486ea14a674
- SHA512 822da6eac5edb7bccc04e09a975a3857431bb26d5f8c2d9db73f7967e36432c92e21e2683e79739bb1c936d7df116997dfa06e3b4e0d4d9c217fe9a1f6a97e15
- SSDEEP 6144:IbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9LH0:IQtqB5urTIoYWBQk1E+VF9mOx94
- MD5 SHA1 SHA512 SSDEEP