Analysis
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max time kernel
142s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2023 16:39
Static task
static1
Behavioral task
behavioral1
Sample
TRANSFERI.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
TRANSFERI.exe
Resource
win10v2004-20231020-en
General
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Target
TRANSFERI.exe
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Size
616KB
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MD5
77521173381682b5a1deb286bce27bf4
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SHA1
2ad56680cb0c821b18c269c63f4eeeb770140800
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SHA256
1de5d25aecac6b32b06fe38549376748d098fd43abb5c23f73ee9ddb780080d6
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SHA512
5366df45795f970f1b17113caf65c1e677b44da372cc85159fc4de4d8d32a08798aa4120cac956014c75fb71fce53ddfe8e76075b66c5f24e50a8f4a12254e53
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SSDEEP
12288:h36N/bxyuAFnSz0cYMSE7a45naENKqIfPbY9QPNTURftb2pLuxQ:h3gqSznYMP5MbskYVapuQ
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.belt-tech.com.my - Port:
587 - Username:
[email protected] - Password:
Beltechpg@1234 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2468-28-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
TRANSFERI.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation TRANSFERI.exe -
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
Processes:
TRANSFERI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TRANSFERI.exe Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TRANSFERI.exe Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TRANSFERI.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.
Processes:
flow ioc 39 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TRANSFERI.exedescription pid process target process PID 3496 set thread context of 2468 3496 TRANSFERI.exe TRANSFERI.exe -
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.
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Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
TRANSFERI.exepowershell.exepowershell.exeTRANSFERI.exepid process 3496 TRANSFERI.exe 3496 TRANSFERI.exe 3496 TRANSFERI.exe 3496 TRANSFERI.exe 564 powershell.exe 564 powershell.exe 2532 powershell.exe 2532 powershell.exe 3496 TRANSFERI.exe 3496 TRANSFERI.exe 2468 TRANSFERI.exe 2468 TRANSFERI.exe 2532 powershell.exe 564 powershell.exe 2468 TRANSFERI.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
TRANSFERI.exepowershell.exepowershell.exeTRANSFERI.exedescription pid process Token: SeDebugPrivilege 3496 TRANSFERI.exe Token: SeDebugPrivilege 564 powershell.exe Token: SeDebugPrivilege 2532 powershell.exe Token: SeDebugPrivilege 2468 TRANSFERI.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
TRANSFERI.exedescription pid process target process PID 3496 wrote to memory of 2532 3496 TRANSFERI.exe powershell.exe PID 3496 wrote to memory of 2532 3496 TRANSFERI.exe powershell.exe PID 3496 wrote to memory of 2532 3496 TRANSFERI.exe powershell.exe PID 3496 wrote to memory of 564 3496 TRANSFERI.exe powershell.exe PID 3496 wrote to memory of 564 3496 TRANSFERI.exe powershell.exe PID 3496 wrote to memory of 564 3496 TRANSFERI.exe powershell.exe PID 3496 wrote to memory of 4200 3496 TRANSFERI.exe schtasks.exe PID 3496 wrote to memory of 4200 3496 TRANSFERI.exe schtasks.exe PID 3496 wrote to memory of 4200 3496 TRANSFERI.exe schtasks.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe PID 3496 wrote to memory of 2468 3496 TRANSFERI.exe TRANSFERI.exe -
outlook_office_path 1 IoCs
Processes:
TRANSFERI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TRANSFERI.exe -
outlook_win_path 1 IoCs
Processes:
TRANSFERI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TRANSFERI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BwmGnyPcYGIy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:564 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BwmGnyPcYGIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED5D.tmp"2⤵
- Creates scheduled task(s)
PID:4200 -
C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD51c255eb92c3ead1e213f7f48cfbcff64
SHA1b54ba8985fe3e8f16fe493af026597b3346b9f1b
SHA256ced5214213937fe5230da2f0653203014162c33f3848be5ea973f25729b59fc5
SHA512973ec7f71e92675a8e328d3f594241d1d3e27ec62719c0673f11d1841ce1d5b23ce743cb73d02ac886b4073c41822e1bff348839fd95e77735073ecdefe9afe9
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5ab4755659fd046283fc35025aa8addaa
SHA12011e62ad92cf7a63e53f636aea6af665e9c70ce
SHA256c55e476e84e1b38d3a06c43a4ac0a8c9ea7ee026f604141117ebd980aec727c6
SHA512ac5de30fd8c2f86f9ebd91420880078122b324acb15fa9863cd28aa8f507f1f6a6dadd063061e3416404e613cb5a696a5c8109f459d624b8ec14dc6cd2ae0a7a