MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 899e3f377624c91677b2ddc324199eb854a630409145acf0941a32ed2d4cd005. 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: | 899e3f377624c91677b2ddc324199eb854a630409145acf0941a32ed2d4cd005 |
|---|---|
| SHA3-384 hash: | 731faf643c3c25c576a7190019480023ccc52841890d3d33f32b532e921ea848f04a1d67e9d2ef7cd3dadca137839d9e |
| SHA1 hash: | 65f167fec4e1a48647c81f8da0a3422b92820165 |
| MD5 hash: | f574cd28cacd941bf4949ceeb8ce5e5e |
| humanhash: | montana-saturn-artist-uncle |
| File name: | New Purchase Order Ref_0024345562.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 76'800 bytes |
| First seen: | 2022-06-13 11:16:23 UTC |
| Last seen: | 2022-06-13 12:32:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 768:6WrBb/EKnSU2Ip4jBqltCF0AxEjenoB69+Fxb:LrBbznSFHBWAxEjc+D |
| TLSH | T1A87333E2B116DDD8DC174BF24C7A966000675E4C88A9950E30EA3F3F77B335328A6D5A |
| 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 | 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
3
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New Purchase Order Ref_0024345562.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 11:17:51 UTC
Tags:
opendir formbook trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Launching a process
Sending a custom TCP request
Sending an HTTP GET request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.XLoader
Status:
Malicious
First seen:
2022-06-13 10:31:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
masslogger
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:arna loader persistence rat spyware stealer suricata
Behaviour
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
899e3f377624c91677b2ddc324199eb854a630409145acf0941a32ed2d4cd005
MD5 hash:
f574cd28cacd941bf4949ceeb8ce5e5e
SHA1 hash:
65f167fec4e1a48647c81f8da0a3422b92820165
Malware family:
XLoader
Verdict:
Malicious
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_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| 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
xloader
Delivery method
Distributed via e-mail attachment
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