MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 da90895ec14c13c733ba3550194ab36a4c64130c5c2b2038c163dff0c505b3e3. 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: | da90895ec14c13c733ba3550194ab36a4c64130c5c2b2038c163dff0c505b3e3 |
|---|---|
| SHA3-384 hash: | 95959515a2c957f7a56a956d46211480157d63d743798f7e7a3096fba183b12ceae33b36718253b28f59c4e051cd00cb |
| SHA1 hash: | 89a5a3aa1a7bb1ecf5f9b06ff81ebeb93b6cda16 |
| MD5 hash: | 08b7f97b9166c2f52506b2b91a50a9e3 |
| humanhash: | shade-iowa-hamper-butter |
| File name: | bDsHlCerS7PSLgA.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 602'112 bytes |
| First seen: | 2022-03-21 13:32:14 UTC |
| Last seen: | 2022-03-21 16:00:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:0DrJwEWfELMy1RHrf3G4K+hxaELYxexdIY/U5zFBW07j:0PJw+RHLJp8cIY/w/j |
| Threatray | 14'256 similar samples on MalwareBazaar |
| TLSH | T1B2D47C3A15689233D97BD2718650001AF7A1E0EB7922ED1DFED31B850D136C67FCAA2D |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Setting a keyboard event handler
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
keylogger obfuscated packed replace.exe
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-21 13:33:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'246 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:k8yh loader rat suricata
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
aaa0c6273d7b59ceedbd636352bf6c88c7c0aadb0bee4a0854e80ca0b3e2a176
MD5 hash:
7dbd56f4a7e3c4fed4fbee07bb93a652
SHA1 hash:
a45fa51cf3f57ad4faf418db846e15660471d9e0
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :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 hash:
7bd94876f6d473bec1d7fe2cc87228f915f5e8f05be7427b810be28593419071
MD5 hash:
a99f78a87c0da74ff78301bbcebea7d5
SHA1 hash:
6e131ef417bfbb5a821a30d93c1da6247c1f403e
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
da90895ec14c13c733ba3550194ab36a4c64130c5c2b2038c163dff0c505b3e3
MD5 hash:
08b7f97b9166c2f52506b2b91a50a9e3
SHA1 hash:
89a5a3aa1a7bb1ecf5f9b06ff81ebeb93b6cda16
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
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: | 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
Delivery method
Distributed via e-mail attachment
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