Analysis
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max time kernel
79s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2023, 10:25
Static task
static1
Behavioral task
behavioral1
Sample
a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
Resource
win10v2004-20230915-en
General
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Target
a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
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Size
1.3MB
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MD5
4a0d61fe2000566f8b688d18681c0b5a
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SHA1
c473e7bafd6351cb8f1870eadb73316cd5cb5e91
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SHA256
a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c
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SHA512
a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be
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SSDEEP
24576:s3yIf2H3CSfGxoBYocM4D8Ss5kHb291wOQO+XvnzHhMTfU8+LxD3Fwp:sF2HtfGyBxAm5S6m7mT+1F
Malware Config
Extracted
Protocol: smtp- Host:
mail.royalcheckout.store - Port:
587 - Username:
[email protected] - Password:
esubwDViXlQ2@@##
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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/3756-7-0x0000000000400000-0x0000000000466000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe Key value queried \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe -
Executes dropped EXE 3 IoCs
pid Process 1288 svchost.exe 224 kingshakes.exe 2144 svchost.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-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kingshakes.exe Key opened \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kingshakes.exe Key opened \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kingshakes.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 112 api.ipify.org 113 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1080 set thread context of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1288 set thread context of 2144 1288 svchost.exe 108 -
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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4260 schtasks.exe 4692 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 224 kingshakes.exe 224 kingshakes.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 224 kingshakes.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 224 kingshakes.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 3756 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 98 PID 1080 wrote to memory of 1288 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 99 PID 1080 wrote to memory of 1288 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 99 PID 1080 wrote to memory of 1288 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 99 PID 3756 wrote to memory of 224 3756 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 100 PID 3756 wrote to memory of 224 3756 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 100 PID 3756 wrote to memory of 224 3756 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 100 PID 1080 wrote to memory of 832 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 101 PID 1080 wrote to memory of 832 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 101 PID 1080 wrote to memory of 832 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 101 PID 1080 wrote to memory of 4148 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 106 PID 1080 wrote to memory of 4148 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 106 PID 1080 wrote to memory of 4148 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 106 PID 1080 wrote to memory of 2340 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 102 PID 1080 wrote to memory of 2340 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 102 PID 1080 wrote to memory of 2340 1080 a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe 102 PID 4148 wrote to memory of 4692 4148 cmd.exe 107 PID 4148 wrote to memory of 4692 4148 cmd.exe 107 PID 4148 wrote to memory of 4692 4148 cmd.exe 107 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 2144 1288 svchost.exe 108 PID 1288 wrote to memory of 4248 1288 svchost.exe 109 PID 1288 wrote to memory of 4248 1288 svchost.exe 109 PID 1288 wrote to memory of 4248 1288 svchost.exe 109 PID 1288 wrote to memory of 3272 1288 svchost.exe 110 PID 1288 wrote to memory of 3272 1288 svchost.exe 110 PID 1288 wrote to memory of 3272 1288 svchost.exe 110 PID 1288 wrote to memory of 4108 1288 svchost.exe 112 PID 1288 wrote to memory of 4108 1288 svchost.exe 112 PID 1288 wrote to memory of 4108 1288 svchost.exe 112 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kingshakes.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kingshakes.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Users\Admin\AppData\Roaming\kingshakes.exe"C:\Users\Admin\AppData\Roaming\kingshakes.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:224
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
PID:2144
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:4248
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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\avast\avast.exe'" /f3⤵PID:3272
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f4⤵
- Creates scheduled task(s)
PID:4260
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"3⤵PID:4108
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:832
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2340
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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\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Creates scheduled task(s)
PID:4692
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C:\Users\Admin\AppData\Roaming\avast\avast.exeC:\Users\Admin\AppData\Roaming\avast\avast.exe1⤵PID:4188
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe.log
Filesize226B
MD5916851e072fbabc4796d8916c5131092
SHA1d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA2567e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA51207ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
512KB
MD5d00ff189ea26e80641fb5a6800b76f5c
SHA13747160352700bc24c9e929336c557757e8695fa
SHA256649b457cde0f4dfd0be50357931003a4328441f44276d744174f14f35d0ef8bc
SHA512156956fbbc855fb59565e5b5684ce61fe1614bac72bab89bd8191585735e723690b5b6b340eb281757cda45556fb39ef94683deaaaa1b2f374bb815c3ed62c0c
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
245KB
MD50838ea6ef01e3577d1bfb57b5980c319
SHA135920bea7d7c0476c814aca6db53a284621ddeec
SHA25605cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e
SHA512381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f
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Filesize
245KB
MD50838ea6ef01e3577d1bfb57b5980c319
SHA135920bea7d7c0476c814aca6db53a284621ddeec
SHA25605cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e
SHA512381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f
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Filesize
245KB
MD50838ea6ef01e3577d1bfb57b5980c319
SHA135920bea7d7c0476c814aca6db53a284621ddeec
SHA25605cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e
SHA512381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f