Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 18:48
Static task
static1
Behavioral task
behavioral1
Sample
a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
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Size
580KB
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MD5
a3c456ecc1486eba53b3f5bfc4239801
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SHA1
78183902a79cbe8e80147812e1673fff4ba9578f
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SHA256
b5ddeb43afd6bc4075b950d215095d71ab3ba09094d54f979ce9de91df915834
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SHA512
ab84a768ad1dc007402c31b4705bb96c65be22a36bba2565e6d8a65dc6951ede3d8f8a35629ead225c1083ee8201c47939f0367e6e8d4075d325512d7ec11550
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SSDEEP
12288:JBu1nmJy/NaN03liqqG+feq9ZUws7Ami4IxePCLOBxjA0UnJNfFLJt:JBamCsNgZqHvPH4AoFPCLOBx8V7t
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1910194363:AAH66amlxNaIwaIfI1AdRKORBzDDVieupMA/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/1128-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3004 set thread context of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1128 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 1128 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1128 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 PID 3004 wrote to memory of 1128 3004 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe 96 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1128
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe.log
Filesize2KB
MD5fbd5e75bae4e3d2db57a0f9b5ed0df97
SHA1fcb87f79f8748e213d407b78f932f105f04c98e5
SHA256d87a05d026303c360e84bf915b81bea3f8bc81edcb3a53cb1a64d3852f4e9367
SHA512639c3c4d3e57113dda7c980d2f1752579701d5371a3170b5f65a6f21ab427e130b2a3ff226de3fbbea0041be6e476ae98714d4ab75a17e2988fa5974ffa1a803