MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f239a57a44872a5cc2f4facc6b62acb8ea45c39f2bad517991ca52a682c46d91. 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: 10
| SHA256 hash: | f239a57a44872a5cc2f4facc6b62acb8ea45c39f2bad517991ca52a682c46d91 |
|---|---|
| SHA3-384 hash: | df95b088e51155c02bb905fea1c7510a975ce05db5057fbde6bb9dabafc24e07704cfca63e7f84a2de66c0c0e5d0d3b6 |
| SHA1 hash: | 14517c2ba7067cb38c1ac72b8e5a233b99c7c027 |
| MD5 hash: | 2d62a576455944093dc04108394a9a14 |
| humanhash: | october-butter-high-beryllium |
| File name: | 2d62a576455944093dc04108394a9a14 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 967'168 bytes |
| First seen: | 2022-04-25 17:08:04 UTC |
| Last seen: | 2022-04-25 17:38:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:9QbrlFjaqE8NWljbxeYG3E1Q8wEah/UMZklQiXPMeiaeq+8mMt:9QrlFGDjbxeYG3yRQtiQdaeq+8my |
| Threatray | 15'118 similar samples on MalwareBazaar |
| TLSH | T14C25AD867624DA8EC47065F89F81EE741A201EFE8A7141E574C22F7B79EE7C1B9013E1 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 00525232c8cc2408 (10 x Formbook, 4 x RedLineStealer, 1 x AveMariaRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.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
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-25 17:09:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
53
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 15'108 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:c0a7 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
544af89ae56d67b36786c472ffd21aacbeb71d4d268358bbefc8c01003a8f7ec
MD5 hash:
0b6f9d724234fa2e61a6bf386779aa21
SHA1 hash:
dd3eb5f83bf534edb8aefacd88e47751db8901ac
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
09cd3bc420c8982190990a9673b58c3ab01e933dff0881f1e521d3316f1b9a6b
MD5 hash:
6933707e111286a128ad0f7fa298153f
SHA1 hash:
d1121c8bed634e9684727e8c0aad3f597b0749ad
SH256 hash:
bba5a1199abcb6c98d5e1368a6d5faef85371ac831a434dc26b8fb0442ccbf58
MD5 hash:
8b4727ace2d8c205492fd57505e5572b
SHA1 hash:
cf06ba31fbd24da273c210766fabe651846730e1
SH256 hash:
27ca288e35ec7e95db59767459dd78e5915c8a43c15be7738ca9dcefdbb5d97e
MD5 hash:
d76e4992b9763574047a2ff87e5a07df
SHA1 hash:
86e82ec1ff1efae6bc93e348166c32e9fdb3380f
SH256 hash:
f239a57a44872a5cc2f4facc6b62acb8ea45c39f2bad517991ca52a682c46d91
MD5 hash:
2d62a576455944093dc04108394a9a14
SHA1 hash:
14517c2ba7067cb38c1ac72b8e5a233b99c7c027
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | pdb2 |
|---|
| 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.
Web download
Delivery method
Distributed via web download
Comments
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