MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 44539749971b58f590567a17b718be17f01c5bd37048711215e7e75a62eb056a. 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: | 44539749971b58f590567a17b718be17f01c5bd37048711215e7e75a62eb056a |
|---|---|
| SHA3-384 hash: | 8a17e133b105a41b0aed38ecad668045e15a8481602b084a498bff88b975a6ed2149aec5d7e79a12c19c9814a143625e |
| SHA1 hash: | 635bfffc72aad12c87e85af14d6eec6683fc0df0 |
| MD5 hash: | c52bba22aab2fb97d79ef862350a6f7e |
| humanhash: | uranus-pasta-enemy-oven |
| File name: | Banco do Brasil_eDeclaração_SMX_046_6-08-2021_SWIFT.COPY.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'033'728 bytes |
| First seen: | 2021-08-07 06:16:21 UTC |
| Last seen: | 2021-08-07 07:19:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:vGpCJdcMRCZKGBcFg2Dt2NjFVnq0HI5tGjUqVK5EeiVPHxgSbfrUxUuB:OCJdJE3InDMNjTrHsOUHUPHxgSbzMUu |
| Threatray | 7'444 similar samples on MalwareBazaar |
| TLSH | T1A825AE107DA5C6D0E1EB6A3589EB80088BFFBD2EE512C60E795A315D5373352CE01ADA |
| dhash icon | 30908a8c8c8a9030 (5 x Formbook, 3 x AsyncRAT) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Banco do Brasil_eDeclaração_SMX_046_6-08-2021_SWIFT.COPY.exe
Verdict:
Malicious activity
Analysis date:
2021-08-07 06:19:46 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file
Launching a process
Launching cmd.exe command interpreter
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
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 method to dynamically call methods (often used by packers)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2021-08-06 17:46:26 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 7'434 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:chad 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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ssgas-ia.com/chad/
Unpacked files
SH256 hash:
fbad6b88843f894780e321949565ba0e5fee0873f1bb66e40756d53f803af4b2
MD5 hash:
8939a04c885f26d17b08849c4cb51d8f
SHA1 hash:
75462667f37a93f6410260d9e464757e3785425d
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
SH256 hash:
951506130a1fb95f718468bfa0d142f7710f771063f1e98241cd037b72eb0996
MD5 hash:
7877582f3af72d02c544d284e06629d7
SHA1 hash:
c17508a548365e6d83dbea7885aea543071df16c
SH256 hash:
44539749971b58f590567a17b718be17f01c5bd37048711215e7e75a62eb056a
MD5 hash:
c52bba22aab2fb97d79ef862350a6f7e
SHA1 hash:
635bfffc72aad12c87e85af14d6eec6683fc0df0
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: | pe_imphash |
|---|
| 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.
No further information available
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