Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20201028 -
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 behavioral2/memory/1552-1-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/1552-4-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/1552-5-0x0000000000400000-0x000000000051D000-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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 whatismyipaddress.com 10 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
BANK-STATMENT _xlsx.exeBANK-STATMENT _xlsx.exedescription pid process target process PID 796 set thread context of 1552 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 1552 set thread context of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 set thread context of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2323 IoCs
Processes:
BANK-STATMENT _xlsx.exeBANK-STATMENT _xlsx.exepid process 796 BANK-STATMENT _xlsx.exe 796 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe 1700 BANK-STATMENT _xlsx.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
BANK-STATMENT _xlsx.exepid process 796 BANK-STATMENT _xlsx.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
BANK-STATMENT _xlsx.exedescription pid process Token: SeDebugPrivilege 1552 BANK-STATMENT _xlsx.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
BANK-STATMENT _xlsx.exepid process 1552 BANK-STATMENT _xlsx.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
BANK-STATMENT _xlsx.exeBANK-STATMENT _xlsx.exedescription pid process target process PID 796 wrote to memory of 1552 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 796 wrote to memory of 1552 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 796 wrote to memory of 1552 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 796 wrote to memory of 1700 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 796 wrote to memory of 1700 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 796 wrote to memory of 1700 796 BANK-STATMENT _xlsx.exe BANK-STATMENT _xlsx.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 3912 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 BANK-STATMENT _xlsx.exe vbc.exe PID 1552 wrote to memory of 4076 1552 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 1552 2592768122⤵
- 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
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/796-0-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/1552-8-0x00000000009E2000-0x00000000009E3000-memory.dmpFilesize
4KB
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memory/1552-1-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/1552-2-0x000000000051B4C0-mapping.dmp
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memory/1552-4-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/1552-5-0x0000000000400000-0x000000000051D000-memory.dmpFilesize
1.1MB
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memory/1552-6-0x00000000022C0000-0x0000000002348000-memory.dmpFilesize
544KB
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memory/1700-3-0x0000000000000000-mapping.dmp
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memory/1700-7-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/3912-10-0x0000000000411654-mapping.dmp
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memory/3912-9-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3912-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4076-12-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4076-13-0x0000000000442628-mapping.dmp
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memory/4076-14-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB