MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a73fffb5cb53f03b1a59a712cf34a8b156f1dec4a8c2757a475431edc659e6aa. 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: | a73fffb5cb53f03b1a59a712cf34a8b156f1dec4a8c2757a475431edc659e6aa |
|---|---|
| SHA3-384 hash: | 3ec47f5c91b36863688cd2b856423b65c857e5db8a2d74a28708568be3fd5055629a26c29536a8ddeaab7fd08074d677 |
| SHA1 hash: | a60e2e89f804bbd465ed996aa7745b3ecc3b4785 |
| MD5 hash: | 60e8eecdd94630e2f235c3776a76b631 |
| humanhash: | maine-berlin-table-burger |
| File name: | Şubat sevkiyatı için yeni sipariş,pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 730'400 bytes |
| First seen: | 2022-02-17 14:26:51 UTC |
| Last seen: | 2022-02-17 16:48:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:tyPFSIfbZGa/yRzk4PxkOIB0abatcn6O8fPkRLY7ZltvZrEx7Jp8:vVkOVe7v8 |
| Threatray | 13'407 similar samples on MalwareBazaar |
| TLSH | T120F4EF2428BBD02DB072DE6C5DD476E6A9DAF372228AB47A13700E724723D41DDB3539 |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
aspnet_compiler.exe control.exe formbook obfuscated overlay packed packed replace.exe
Result
Verdict:
UNKNOWN
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
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 submitted file
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-17 14:27:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'397 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:c0a7 loader rat
Behaviour
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
cb1394d16894be7b9488b629afb19674f84d216c1117e68975f94452dbaec74c
MD5 hash:
9e3cfde2483b22fc8fd53bf100daa9b8
SHA1 hash:
5234960821495aec0a74dc440568366b8d9c225e
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :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 hash:
39356995d45fc5e4a05a68a932ca3bb02a12b1aec226c7deb79dd343905b0ba0
MD5 hash:
03e210f55d97af0d7e49e9f1c948b203
SHA1 hash:
cafafa777e8e4739d7dbdbd430c8bce649cfe80f
SH256 hash:
a73fffb5cb53f03b1a59a712cf34a8b156f1dec4a8c2757a475431edc659e6aa
MD5 hash:
60e8eecdd94630e2f235c3776a76b631
SHA1 hash:
a60e2e89f804bbd465ed996aa7745b3ecc3b4785
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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
Delivery method
Distributed via e-mail attachment
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