Analysis
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max time kernel
115s -
max time network
121s -
platform
windows7_x64 -
resource
win7 -
submitted
17/07/2020, 15:40
Static task
static1
Behavioral task
behavioral1
Sample
01_extracted.exe
Resource
win7
0 signatures
0 seconds
General
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Target
01_extracted.exe
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Size
1.1MB
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MD5
bea9ed2395cb83c1680ee33fd231fef9
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SHA1
2620700b8c76d4236321f2a15b6392184df943e5
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SHA256
680e65e6219bd366e58a94117c26b39487a3bb274d1fa15537cdc9efc1e655ba
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SHA512
d0275ef36e13674de2505ef5997c594405f59a6327a2cfbd22cd5e185da673fd98c6ee2e4f7566083aeb7b86b955b24d6288b3d27b455d8c876155d788a6e177
Malware Config
Extracted
Credentials
Protocol: smtp- Host:
smtp.mail.com - Port:
587 - Username:
[email protected] - Password:
payments00
Signatures
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1824 schtasks.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1124 set thread context of 1380 1124 01_extracted.exe 28 PID 1380 set thread context of 1988 1380 RegSvcs.exe 30 PID 1380 set thread context of 2008 1380 RegSvcs.exe 31 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1380 RegSvcs.exe -
Uses the VBS compiler for execution 1 TTPs
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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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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 RegSvcs.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 04000000010000001000000079e4a9840d7d3a96d7c04fe2434c892e0f0000000100000014000000b34ddd372ed92e8f2abfbb9e20a9d31f204f194b090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030814000000010000001400000003de503556d14cbb66f0a3e21b1bc397b23dd1550b00000001000000120000004400690067006900430065007200740000001d000000010000001000000059779e39e21a2e3dfced6857ed5c5fd9030000000100000014000000a8985d3a65e5e5c4b2d7d66d40c6dd2fb19c54361900000001000000100000000f3a0527d242de2dc98e5cfcb1e991ee2000000001000000b3030000308203af30820297a0030201020210083be056904246b1a1756ac95991c74a300d06092a864886f70d01010505003061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100e23be11172dea8a4d3a357aa50a28f0b7790c9a2a5ee12ce965b010920cc0193a74e30b753f743c46900579de28d22dd870640008109cece1b83bfdfcd3b7146e2d666c705b37627168f7b9e1e957deeb748a308dad6af7a0c3906657f4a5d1fbc17f8abbeee28d7747f7a78995985686e5c23324bbf4ec0e85a6de370bf7710bffc01f685d9a844105832a97518d5d1a2be47e2276af49a33f84908608bd45fb43a84bfa1aa4a4c7d3ecf4f5f6c765ea04b37919edc22e66dce141a8e6acbfecdb3146417c75b299e32bff2eefad30b42d4abb74132da0cd4eff881d5bb8d583fb51be84928a270da3104ddf7b216f24c0a4e07a8ed4a3d5eb57fa390c3af270203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041403de503556d14cbb66f0a3e21b1bc397b23dd155301f0603551d2304183016801403de503556d14cbb66f0a3e21b1bc397b23dd155300d06092a864886f70d01010505000382010100cb9c37aa4813120afadd449c4f52b0f4dfae04f5797908a32418fc4b2b84c02db9d5c7fef4c11f58cbb86d9c7a74e79829ab11b5e370a0a1cd4c8899938c9170e2ab0f1cbe93a9ff63d5e40760d3a3bf9d5b09f1d58ee353f48e63fa3fa7dbb466df6266d6d16e418df22db5ea774a9f9d58e22b59c04023ed2d2882453e7954922698e08048a837eff0d6796016deace80ecd6eac4417382f49dae1453e2ab93653cf3a5006f72ee8c457496c612118d504ad783c2c3a806ba7ebaf1514e9d889c1b9386ce2916c8aff64b977255730c01b24a3e1dce9df477cb5b424080530ec2dbd0bbf45bf50b9a9f3eb980112adc888c698345f8d0a3cc6e9d595956dde RegSvcs.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 8 whatismyipaddress.com 9 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1124 wrote to memory of 1824 1124 01_extracted.exe 26 PID 1124 wrote to memory of 1824 1124 01_extracted.exe 26 PID 1124 wrote to memory of 1824 1124 01_extracted.exe 26 PID 1124 wrote to memory of 1824 1124 01_extracted.exe 26 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1124 wrote to memory of 1380 1124 01_extracted.exe 28 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 1988 1380 RegSvcs.exe 30 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 PID 1380 wrote to memory of 2008 1380 RegSvcs.exe 31 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1380 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\01_extracted.exe"C:\Users\Admin\AppData\Local\Temp\01_extracted.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UXzxSWYbhi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B4.tmp"2⤵
- Creates scheduled task(s)
PID:1824
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:1380 -
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⤵PID:1988
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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⤵PID:2008
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