Analysis
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max time kernel
150s -
max time network
140s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
18-11-2020 12:09
Static task
static1
Behavioral task
behavioral1
Sample
INQUIRY.exe
Resource
win7v20201028
General
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Target
INQUIRY.exe
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Size
986KB
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MD5
0b940145d7d02e5b1b975c99dd5197a4
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SHA1
53ae0b576f7b362b90a25ace1470d33068db4490
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SHA256
bf487ff7cdbbd998b633b1858a939d8c808bcce65ab9937695475b39deea70a8
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SHA512
f6ea131ca86752edd8163c27ba045ff8ab4fe90a92f923565496e99d8b46ba5e99af14660bcca127a1ff06246ca262456508f6f9de2462e4cd10ba53d1428a92
Malware Config
Extracted
Protocol: smtp- Host:
mail.iigcest.com - Port:
587 - Username:
ansaf@iigcest.com - Password:
Ans2016@
Signatures
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Processes:
resource yara_rule behavioral1/memory/1168-1-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1168-5-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1168-3-0x0000000000400000-0x000000000051D000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 whatismyipaddress.com 8 whatismyipaddress.com 9 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
INQUIRY.exeINQUIRY.exedescription pid process target process PID 344 set thread context of 1168 344 INQUIRY.exe INQUIRY.exe PID 1168 set thread context of 1468 1168 INQUIRY.exe vbc.exe PID 1168 set thread context of 1068 1168 INQUIRY.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 736 IoCs
Processes:
INQUIRY.exeINQUIRY.exepid process 344 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe 1064 INQUIRY.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
INQUIRY.exepid process 344 INQUIRY.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
INQUIRY.exedescription pid process Token: SeDebugPrivilege 1168 INQUIRY.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
INQUIRY.exepid process 1168 INQUIRY.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
INQUIRY.exeINQUIRY.exedescription pid process target process PID 344 wrote to memory of 1168 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1168 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1168 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1168 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1064 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1064 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1064 344 INQUIRY.exe INQUIRY.exe PID 344 wrote to memory of 1064 344 INQUIRY.exe INQUIRY.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1468 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe PID 1168 wrote to memory of 1068 1168 INQUIRY.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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\holdermail.txt"3⤵
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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"3⤵
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C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe" 2 1168 2592708692⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/344-0-0x0000000000400000-0x00000000004FC000-memory.dmpFilesize
1008KB
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memory/592-17-0x000007FEF62A0000-0x000007FEF651A000-memory.dmpFilesize
2.5MB
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memory/1064-4-0x0000000000000000-mapping.dmp
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memory/1064-7-0x0000000000400000-0x00000000004FC000-memory.dmpFilesize
1008KB
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memory/1068-16-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1068-15-0x0000000000442628-mapping.dmp
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memory/1068-14-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1168-9-0x0000000000220000-0x00000000002A3000-memory.dmpFilesize
524KB
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memory/1168-8-0x0000000001FA2000-0x0000000001FA3000-memory.dmpFilesize
4KB
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memory/1168-6-0x0000000000520000-0x00000000005A8000-memory.dmpFilesize
544KB
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memory/1168-3-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/1168-5-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/1168-2-0x000000000051B4C0-mapping.dmp
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memory/1168-1-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/1468-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1468-12-0x0000000000411654-mapping.dmp
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memory/1468-13-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB