MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 befafcec369910a2430eb082922ae8df71e3682ee1155af653536b3320bcfc36. 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: 13
| SHA256 hash: | befafcec369910a2430eb082922ae8df71e3682ee1155af653536b3320bcfc36 |
|---|---|
| SHA3-384 hash: | 6c3bc804d56e9e904e13fa4c1662c9acae9d6d25f8db8f02386a161a5e836079cf1d9950bbc6fb93be9f872211d8b9b3 |
| SHA1 hash: | 05f8c1b61b3d58ea048e99650c02890e77122fb6 |
| MD5 hash: | 1d82fa3e8f7396d19831e29871574504 |
| humanhash: | floor-virginia-mirror-autumn |
| File name: | PO 30480222.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 834'048 bytes |
| First seen: | 2022-02-11 06:18:17 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:Q6pCodKoLn2NNXU8oz22vxFxeOqFPYPEZ:Q6pvfLnkXpoz22JFIO+PY |
| TLSH | T11805CF3D69BE262BC4BAD77ADEC1D433F10059A77611BE6498D7136A0342B9235C233E |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-08 13:56:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:m8g9 rat spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2ef40f1ae6cf25d0a8bc0fb30c4c8c5d0b9e3004cda58a134762d14bde2efa48
MD5 hash:
6de0d64062fe42e8aa5e36cd62795b18
SHA1 hash:
1b0055424ed8942e8fd8cb87e1c9a595b6077eee
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
SH256 hash:
1d82b94cc5062be11a0e52e7ac50599d1d172e13eee2af1834983f7c3e835830
MD5 hash:
c6358dab117886c2a090b438b1705962
SHA1 hash:
1f2ba0172f34f5f24acd0d9171910dd3f09d699e
SH256 hash:
befafcec369910a2430eb082922ae8df71e3682ee1155af653536b3320bcfc36
MD5 hash:
1d82fa3e8f7396d19831e29871574504
SHA1 hash:
05f8c1b61b3d58ea048e99650c02890e77122fb6
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | exec_macros |
|---|---|
| Author: | ddvvmmzz |
| Description: | exec macros |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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