MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4404699dcbab3651da1046a95dadefadda2b88751d933c94a2bf85023e382333. 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: | 4404699dcbab3651da1046a95dadefadda2b88751d933c94a2bf85023e382333 |
|---|---|
| SHA3-384 hash: | bf4605f847757b4cce8609841223a4788d7746b3ca56c4976185d6b46d217f084903de1b247ef790eec9efcba50b3075 |
| SHA1 hash: | 3760deaa36bb1101d1fc94a74c8e495706ed12f1 |
| MD5 hash: | a6903285c51bffbc8cf7e363a84e1489 |
| humanhash: | princess-nebraska-colorado-mirror |
| File name: | PO No 2298.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 361'472 bytes |
| First seen: | 2022-05-10 05:52:39 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 6144:cXnmtWrnngnnnKnanlywwwBwwA5wwwwswww+wwwGwwwbwwwLwwwwwwwwwnwwwjwX:cWtWrnngnnnKnanxNY |
| Threatray | 556 similar samples on MalwareBazaar |
| TLSH | T1FF740C91E8535838CA244778BA7396B01CF9EC70C907E6716B207EE6F13BA20ED75572 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 12f0a896ecf07090 (4 x AgentTesla, 3 x Formbook, 2 x Loki) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO No 2298.exe
Verdict:
Malicious activity
Analysis date:
2022-05-09 23:18:29 UTC
Tags:
formbook
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Unauthorized injection to a browser 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 potential unpacker
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 dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-08 23:14:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 546 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:m83y persistence rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4404699dcbab3651da1046a95dadefadda2b88751d933c94a2bf85023e382333
MD5 hash:
a6903285c51bffbc8cf7e363a84e1489
SHA1 hash:
3760deaa36bb1101d1fc94a74c8e495706ed12f1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | INDICATOR_SUSPICIOUS_EXE_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_Discord_Attachments_URL |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads |
| Rule name: | SUSP_PE_Discord_Attachment_Oct21_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN) |
| Reference: | Internal Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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