Analysis
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max time kernel
151s -
max time network
138s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
19-11-2020 14:53
Static task
static1
Behavioral task
behavioral1
Sample
BANK-STATMENT _xlsx.exe
Resource
win7v20201028
General
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Target
BANK-STATMENT _xlsx.exe
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Size
942KB
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MD5
debe564cd4c27c02d23c828df27fe27f
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SHA1
1b55fba242460cc0a5b38299acaaacf3f54c5e87
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SHA256
edafe7e62738e180cb882d93f37d2d306627aef482d6f7a7a06c69198c61cd58
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SHA512
07091b073d5885787f830a6a02a39f1064a80767ac02aea87bbc66ccb93406fba2f7a7bdd9d02d4c04f18b54bb59b34d0fd3e97649584363008c56b126801c37
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/2028-3-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/2028-5-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/2028-1-0x0000000000400000-0x000000000051D000-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 5 whatismyipaddress.com 7 whatismyipaddress.com 8 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
BANK-STATMENT _xlsx.exeBANK-STATMENT _xlsx.exedescription pid process target process PID 748 set thread context of 2028 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 2028 set thread context of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 set thread context of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 738 IoCs
Processes:
BANK-STATMENT _xlsx.exeBANK-STATMENT _xlsx.exepid process 748 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe 1184 BANK-STATMENT _xlsx.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
BANK-STATMENT _xlsx.exepid process 748 BANK-STATMENT _xlsx.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
BANK-STATMENT _xlsx.exedescription pid process Token: SeDebugPrivilege 2028 BANK-STATMENT _xlsx.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
BANK-STATMENT _xlsx.exepid process 2028 BANK-STATMENT _xlsx.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
BANK-STATMENT _xlsx.exeBANK-STATMENT _xlsx.exedescription pid process target process PID 748 wrote to memory of 2028 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 2028 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 2028 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 2028 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 1184 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 1184 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 1184 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 748 wrote to memory of 1184 748 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 576 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe PID 2028 wrote to memory of 820 2028 BANK-STATMENT _xlsx.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BANK-STATMENT _xlsx.exe"C:\Users\Admin\AppData\Local\Temp\BANK-STATMENT _xlsx.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\BANK-STATMENT _xlsx.exe"C:\Users\Admin\AppData\Local\Temp\BANK-STATMENT _xlsx.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\BANK-STATMENT _xlsx.exe"C:\Users\Admin\AppData\Local\Temp\BANK-STATMENT _xlsx.exe" 2 2028 2592675302⤵
- 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/576-12-0x0000000000411654-mapping.dmp
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memory/576-13-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/576-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/748-0-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/820-16-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/820-14-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/820-15-0x0000000000442628-mapping.dmp
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memory/1152-17-0x000007FEF7790000-0x000007FEF7A0A000-memory.dmpFilesize
2.5MB
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memory/1184-4-0x0000000000000000-mapping.dmp
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memory/1184-7-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/2028-2-0x000000000051B4C0-mapping.dmp
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memory/2028-8-0x0000000001F92000-0x0000000001F93000-memory.dmpFilesize
4KB
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memory/2028-9-0x0000000000590000-0x0000000000613000-memory.dmpFilesize
524KB
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memory/2028-6-0x0000000001E20000-0x0000000001EA8000-memory.dmpFilesize
544KB
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memory/2028-1-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/2028-5-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/2028-3-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB