Analysis
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max time kernel
82s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2023 18:31
Static task
static1
Behavioral task
behavioral1
Sample
e48e8bd7c034de883faae60da15ddc3f.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
e48e8bd7c034de883faae60da15ddc3f.exe
Resource
win10v2004-20230220-en
General
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Target
e48e8bd7c034de883faae60da15ddc3f.exe
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Size
653KB
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MD5
e48e8bd7c034de883faae60da15ddc3f
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SHA1
ac79da066a83feaba8a70a1f0f6456fe8e39ecc2
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SHA256
8e406bd2fa24428c369151006c1d3b563675ddac328964b30a6429f64f17077d
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SHA512
6a2c9b84e6c21657075ec854776deee7112689ece4d4cd2c0d2f5566b6802eb900dcd4edeb868112ca7654518dd9ee71e4a9ba4cff2eb848dd0aef8a995ef335
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SSDEEP
12288:AhmPsUOWatCsPAzRa5DFIsfhknQ3O3Fa0L/as+26q2:ImPxfQCZUlFIpnQkoJs+26
Malware Config
Extracted
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Extracted
snakekeylogger
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$ - 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
resource yara_rule behavioral2/memory/2828-140-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/2828-140-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty -
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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e48e8bd7c034de883faae60da15ddc3f.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e48e8bd7c034de883faae60da15ddc3f.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e48e8bd7c034de883faae60da15ddc3f.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 50 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4676 set thread context of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2828 e48e8bd7c034de883faae60da15ddc3f.exe 2828 e48e8bd7c034de883faae60da15ddc3f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2828 e48e8bd7c034de883faae60da15ddc3f.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2828 e48e8bd7c034de883faae60da15ddc3f.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 PID 4676 wrote to memory of 2828 4676 e48e8bd7c034de883faae60da15ddc3f.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e48e8bd7c034de883faae60da15ddc3f.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e48e8bd7c034de883faae60da15ddc3f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e48e8bd7c034de883faae60da15ddc3f.exe"C:\Users\Admin\AppData\Local\Temp\e48e8bd7c034de883faae60da15ddc3f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Users\Admin\AppData\Local\Temp\e48e8bd7c034de883faae60da15ddc3f.exe"C:\Users\Admin\AppData\Local\Temp\e48e8bd7c034de883faae60da15ddc3f.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e48e8bd7c034de883faae60da15ddc3f.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3