MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0013853950647289e952326b93ce46aa3e73db654367ef3c005e29257db31fba. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Formbook
Vendor detections: 9
| SHA256 hash: | 0013853950647289e952326b93ce46aa3e73db654367ef3c005e29257db31fba |
|---|---|
| SHA3-384 hash: | ccd086cec346b9f8e77a13d39c117fa49711a2244be80167b714d6c57f7997ff76dc06550d25e2933c8843837250a95f |
| SHA1 hash: | 5481d53e59fda1e0d849b677e15b410ba6f64fbc |
| MD5 hash: | 8f2489d7ce50e99109af9925818daf2b |
| humanhash: | hydrogen-georgia-alpha-echo |
| File name: | Invoiceo.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 767'488 bytes |
| First seen: | 2021-05-03 12:49:00 UTC |
| Last seen: | 2021-05-03 13:01:32 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:TXgCvpTVNXNTOGxNwf092eFjux/6VLcviorDC77Fd6LxIKC088VT0/gVwCTpaOMR:TXhvpTfdrR2+j7VLOioretkxIXQ0/bOy |
| Threatray | 5'040 similar samples on MalwareBazaar |
| TLSH | 31F4122A37E55624D5BE0B390533825517F6F14BE933E32EAE9920AD1C337A0C7417EA |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Agentesla
Status:
Malicious
First seen:
2021-05-03 09:08:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
25 of 47 (53.19%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 5'030 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.swim-maki.com/csi/
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
0013853950647289e952326b93ce46aa3e73db654367ef3c005e29257db31fba
MD5 hash:
8f2489d7ce50e99109af9925818daf2b
SHA1 hash:
5481d53e59fda1e0d849b677e15b410ba6f64fbc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.