Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 13:28
Static task
static1
Behavioral task
behavioral1
Sample
SUNNY (1).exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
SUNNY (1).exe
Resource
win10v2004-20241007-en
General
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Target
SUNNY (1).exe
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Size
570KB
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MD5
bab905e6355fb5494cc78bf0c07e860e
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SHA1
b80b9c2e9b1456a21604d2521fe14735c578288f
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SHA256
e754eab189a74ac7cbd51694643beeb94a9f8ae2da1f20967dce58ac6884cfce
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SHA512
14cc8d341e2037c375333c619be1dc3ad8eb8cda0f7d80f3ea6e1f15786a62d4d98d436dcb67acd1f65aef8ace00c9eeeedb5770b292ac39276459fdd960c67b
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SSDEEP
6144:BFOCkq/GipgCdGyyCPoL/fdRoY66xK5h3ndHleysfifx9L0nrzQ7JkgxKAxMklCw:6MyC2NyYzYFndFem50nQyLfDgP
Malware Config
Signatures
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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 3 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:
SUNNY (1).exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SUNNY (1).exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SUNNY (1).exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SUNNY (1).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 20 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SUNNY (1).exedescription pid Process procid_target PID 1028 set thread context of 1596 1028 SUNNY (1).exe 100 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
SUNNY (1).exeSUNNY (1).exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SUNNY (1).exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SUNNY (1).exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
SUNNY (1).exeSUNNY (1).exepid Process 1028 SUNNY (1).exe 1028 SUNNY (1).exe 1596 SUNNY (1).exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SUNNY (1).exeSUNNY (1).exedescription pid Process Token: SeDebugPrivilege 1028 SUNNY (1).exe Token: SeDebugPrivilege 1596 SUNNY (1).exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
SUNNY (1).exedescription pid Process procid_target PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 PID 1028 wrote to memory of 1596 1028 SUNNY (1).exe 100 -
outlook_office_path 1 IoCs
Processes:
SUNNY (1).exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SUNNY (1).exe -
outlook_win_path 1 IoCs
Processes:
SUNNY (1).exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SUNNY (1).exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3