Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-05-2024 14:11
Static task
static1
Behavioral task
behavioral1
Sample
Copy#0700181203.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
Copy#0700181203.exe
Resource
win10v2004-20240508-en
General
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Target
Copy#0700181203.exe
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Size
307KB
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MD5
3a7ad7df17d52faa30c9267d8993c052
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SHA1
20babf125ffdc301bc7670817f8123af61ff0940
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SHA256
a3d1e36ffb22746489c9932108842ef58d71c86c5a01bade59d1f0f9cbe2fde4
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SHA512
6d7d7ea7a3310c7cc768556126f710d21f2dc500c5287613a35ba020a0b0ec5f85101c27068c2dc4ef94135e6228aec7501ceba123ebbd81891467ebfa37cbb8
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SSDEEP
3072:qvBGLqxexlS+I3lPE6MPYUNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbGgKk12g:qvwpkqBstvLGtELbMUTKZIH
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
fn26k5c7Q846
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
fn26k5c7Q846 - Email To:
[email protected]
Extracted
xworm
5.0
94.156.65.181:5353
4EV9DEZhSiEuj72Q
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install_file
USB.exe
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telegram
https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023404-4915.dat family_xworm behavioral2/memory/2132-4924-0x0000000000D70000-0x0000000000D80000-memory.dmp family_xworm -
Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/1900-3-0x00000000073D0000-0x0000000007606000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-6-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-15-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-37-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-59-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-61-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-65-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-69-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-67-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-63-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-57-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-55-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-53-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-51-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-49-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-47-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-45-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-43-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-41-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-39-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-35-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-33-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-31-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-29-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-25-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-23-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-21-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-17-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-13-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-11-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-9-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-7-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-27-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 behavioral2/memory/1900-19-0x00000000073D0000-0x0000000007600000-memory.dmp family_zgrat_v1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 4308 FB_1C1E.tmp.exe 2132 FB_1EA0.tmp.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe" Copy#0700181203.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 19 api.ipify.org 20 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1900 set thread context of 1904 1900 Copy#0700181203.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2132 FB_1EA0.tmp.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4308 FB_1C1E.tmp.exe 4308 FB_1C1E.tmp.exe 2132 FB_1EA0.tmp.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1900 Copy#0700181203.exe Token: SeDebugPrivilege 1900 Copy#0700181203.exe Token: SeDebugPrivilege 4308 FB_1C1E.tmp.exe Token: SeDebugPrivilege 2132 FB_1EA0.tmp.exe Token: SeDebugPrivilege 2132 FB_1EA0.tmp.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2132 FB_1EA0.tmp.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1900 wrote to memory of 1904 1900 Copy#0700181203.exe 87 PID 1904 wrote to memory of 4308 1904 RegAsm.exe 88 PID 1904 wrote to memory of 4308 1904 RegAsm.exe 88 PID 1904 wrote to memory of 4308 1904 RegAsm.exe 88 PID 1904 wrote to memory of 2132 1904 RegAsm.exe 89 PID 1904 wrote to memory of 2132 1904 RegAsm.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\Copy#0700181203.exe"C:\Users\Admin\AppData\Local\Temp\Copy#0700181203.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Users\Admin\AppData\Local\Temp\FB_1C1E.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_1C1E.tmp.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308
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C:\Users\Admin\AppData\Local\Temp\FB_1EA0.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_1EA0.tmp.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2132
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
234KB
MD506db36296ae61e019a6c6e717c94767b
SHA17a00c1ada2ad8ed153488ba9a761b76b94716cd2
SHA256e3806f66f45cd3ab049bd762b7cb14c2c27ca7854221356d7681c239c510b3ab
SHA5120db22d6c5ab97e827994b4998c7ac717b7421ce15c40eae6ec4d082df51232434cb408179268b9bc82ed4218c3c46dd79273f14071b692e2e412b6aa637b73ec
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Filesize
41KB
MD5f334a1ac079415859e447dfe9581fcdb
SHA16c906d05d4fd5ca52c4661abd2a6ca00446a6d7d
SHA256dc794a76f3d4644853d105b86586700c24d36c4bf0b13582209d22f651fa18f9
SHA512bf9bf1317845f1e48ad31b138ca70dd8bd4b5acb96a01a3639adbe186b369a3c15bf4609ff79f8996b89158ac95986e26ecbbd40216e2a8e12b56457a949343d