MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 da711e15e4cd8495ca3b7ab2cd3e964df07db80268f9f8594acf8073e96460e1. 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: 14
| SHA256 hash: | da711e15e4cd8495ca3b7ab2cd3e964df07db80268f9f8594acf8073e96460e1 |
|---|---|
| SHA3-384 hash: | 4d0eed19e19d773ba2a7b39d9a84b191d168f8b58be6e6332a3f2c0a0c00428c1267444f15cee90a71a97a311fb07612 |
| SHA1 hash: | 86fa21cfbef902555e57a8300fc2aa21e57b3998 |
| MD5 hash: | 1412fc30c1c74e20353401540762b64d |
| humanhash: | neptune-bakerloo-april-lion |
| File name: | manuaeg455432.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 345'736 bytes |
| First seen: | 2022-02-25 11:17:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 6144:TxDFcsO9djqXT2m4/Ad/j82L92Xg3vEU31+SlF7K0LZzU2swnfToF:zW9djo4/A/gyVMbgTNpdToF |
| Threatray | 13'629 similar samples on MalwareBazaar |
| TLSH | T1687422413AF81CE2E5A08FB116739995FA72C7DA6DBD240F5F401FA534B86C25B89F02 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe formbook overlay packed shell32.dll
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-25 11:18:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'619 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:l22s rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3172fc9b1254b18aadba0d8a7a4ae6e6ae40572b90819009ed6bc2db974f6706
MD5 hash:
327ad4cb1405f0fcc2e029a87c753bc1
SHA1 hash:
bb47bdebf5e5cc0c895d6734c89a281c1aef2d4d
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
6dd43c8d321bfb2b5e663fe3d14be5b6c15e44ce85afd46704837aa6fdbe28e2
MD5 hash:
b7b1af3cc43f452dba24149d38431fcd
SHA1 hash:
120d3ab7cce76a85a7bf25e14fa7d68166ca68bf
SH256 hash:
da711e15e4cd8495ca3b7ab2cd3e964df07db80268f9f8594acf8073e96460e1
MD5 hash:
1412fc30c1c74e20353401540762b64d
SHA1 hash:
86fa21cfbef902555e57a8300fc2aa21e57b3998
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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