Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
21/07/2023, 06:40
Static task
static1
Behavioral task
behavioral1
Sample
PRE ALERT DOCUMENTS.exe
Resource
win7-20230712-en
General
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Target
PRE ALERT DOCUMENTS.exe
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Size
905KB
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MD5
c1128956f3a5d97d01eb3a9a63fce28e
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SHA1
24472f38948b2bc2e7fcce07d3ba6f68a78b06d1
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SHA256
83c649919324adc6fddf8db7fbfb4750b8d990e0d1a25edda7b4f0cdcd044d05
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SHA512
55576b2afe96c9948b6503f46377b682714b818a97f02407b7a46a6212320f794b50d812eac1c35245fff966b790857a399a5835fc173c76882a2526f7cd3296
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SSDEEP
12288:lMS6ln+flo/XciMvDlFonmnE3eNOLyS/H/g1EpBDi34fp2GYfpdS0/WliOVAy/Mn:lFTdCjEsKieONco6cYvS0/9OVAy/L
Malware Config
Extracted
darkcloud
- email_from
- email_to
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation PRE ALERT DOCUMENTS.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3920 set thread context of 2944 3920 PRE ALERT DOCUMENTS.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 1964 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4428 powershell.exe 4428 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2944 PRE ALERT DOCUMENTS.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4428 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2944 PRE ALERT DOCUMENTS.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3920 wrote to memory of 4428 3920 PRE ALERT DOCUMENTS.exe 97 PID 3920 wrote to memory of 4428 3920 PRE ALERT DOCUMENTS.exe 97 PID 3920 wrote to memory of 4428 3920 PRE ALERT DOCUMENTS.exe 97 PID 3920 wrote to memory of 1964 3920 PRE ALERT DOCUMENTS.exe 99 PID 3920 wrote to memory of 1964 3920 PRE ALERT DOCUMENTS.exe 99 PID 3920 wrote to memory of 1964 3920 PRE ALERT DOCUMENTS.exe 99 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101 PID 3920 wrote to memory of 2944 3920 PRE ALERT DOCUMENTS.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pUGagPvAp.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pUGagPvAp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DA5.tmp"2⤵
- Creates scheduled task(s)
PID:1964
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C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD54cd9a7ff9d742e3e140cd99010fc9d51
SHA1f27647a29462c02131a8edcd1736a148db455e81
SHA25677c375d6be9219ab77be3748fe681ad6de6cf37f7c1bd91584ff62a98430b25d
SHA5125af43d15e15d82e67b4173195a8d0ee36892b39c4352927f592820b83488d2119328a7a4fb713cf8c9b89a7d55fcc659d27dacefe88566349a08288578054547