Analysis
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max time kernel
41s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-07-2022 14:43
Static task
static1
Behavioral task
behavioral1
Sample
d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe
Resource
win7-20220414-en
General
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Target
d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe
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Size
300KB
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MD5
5b2a632e53f1a8dc2c9211232b9d38fa
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SHA1
35aad39a9b23286492f29e73ff3c52ef2e16ac23
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SHA256
d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1
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SHA512
62129b43724e0f19413bf5b1f9a6503e1d1a055c6270f9e00428c09c0127f6582268e061e659643523124cc247c96b6cc51c52b2c86f80f3b0c4643d3a998ff8
Malware Config
Signatures
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Taurus Stealer payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1868-55-0x0000000000330000-0x0000000000366000-memory.dmp family_taurus_stealer behavioral1/memory/1868-58-0x0000000000400000-0x00000000047D4000-memory.dmp family_taurus_stealer behavioral1/memory/1868-59-0x0000000000330000-0x0000000000366000-memory.dmp family_taurus_stealer behavioral1/memory/1868-60-0x0000000000400000-0x00000000047D4000-memory.dmp family_taurus_stealer behavioral1/memory/1868-63-0x0000000000400000-0x00000000047D4000-memory.dmp family_taurus_stealer -
Processes:
resource yara_rule behavioral1/memory/1868-54-0x0000000000400000-0x00000000047D4000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1100 cmd.exe -
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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 776 timeout.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.execmd.exedescription pid process target process PID 1868 wrote to memory of 1100 1868 d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe cmd.exe PID 1868 wrote to memory of 1100 1868 d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe cmd.exe PID 1868 wrote to memory of 1100 1868 d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe cmd.exe PID 1868 wrote to memory of 1100 1868 d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe cmd.exe PID 1100 wrote to memory of 776 1100 cmd.exe timeout.exe PID 1100 wrote to memory of 776 1100 cmd.exe timeout.exe PID 1100 wrote to memory of 776 1100 cmd.exe timeout.exe PID 1100 wrote to memory of 776 1100 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe"C:\Users\Admin\AppData\Local\Temp\d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 33⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/776-62-0x0000000000000000-mapping.dmp
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memory/1100-61-0x0000000000000000-mapping.dmp
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memory/1868-54-0x0000000000400000-0x00000000047D4000-memory.dmpFilesize
67.8MB
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memory/1868-55-0x0000000000330000-0x0000000000366000-memory.dmpFilesize
216KB
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memory/1868-56-0x00000000759E1000-0x00000000759E3000-memory.dmpFilesize
8KB
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memory/1868-57-0x00000000002E0000-0x0000000000301000-memory.dmpFilesize
132KB
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memory/1868-58-0x0000000000400000-0x00000000047D4000-memory.dmpFilesize
67.8MB
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memory/1868-59-0x0000000000330000-0x0000000000366000-memory.dmpFilesize
216KB
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memory/1868-60-0x0000000000400000-0x00000000047D4000-memory.dmpFilesize
67.8MB
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memory/1868-63-0x0000000000400000-0x00000000047D4000-memory.dmpFilesize
67.8MB