MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f7a37ab3f4c3f7e67fc347335869a9616f6658f3a45465697a58585ddb7e7caf. 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: | f7a37ab3f4c3f7e67fc347335869a9616f6658f3a45465697a58585ddb7e7caf |
|---|---|
| SHA3-384 hash: | 97bb5969dff955ff66224b9a6db1c490f0d9cb256acaef6d27d821818bf9ca53b4bb5487f6dff963c4fb9973ae4b57df |
| SHA1 hash: | 281603fb0f6c50b97db2b6835762c7f5c4c6a94f |
| MD5 hash: | 8a0c4eed07d28836f39cf33bc6640940 |
| humanhash: | robin-delaware-hot-fruit |
| File name: | ungziped_file |
| Download: | download sample |
| Signature | Formbook |
| File size: | 698'368 bytes |
| First seen: | 2024-10-07 08:12:26 UTC |
| Last seen: | 2024-10-07 09:35:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:Y1f0wVVYUhiFHya93Yp6jpxKtah8BrGgZreGYpYwv0WGTA4OM0G:Y1rVV/63YsKthGgZa+WYAQ0G |
| TLSH | T1A8E42359B7EAEB73E03E0F785157340653F14B543843EEB205385ABA1F71E284296F2A |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
365
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ungziped_file
Verdict:
No threats detected
Analysis date:
2024-10-07 08:33:53 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Micro
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Malware
Result
Verdict:
MALICIOUS
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-10-07 08:13:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3ec36f5c2ad117686ae399d3cd9e19e74252c7e7a62e3a60a082481a9d7c2321
MD5 hash:
7aad738820a423273eb51e8eaefd51c6
SHA1 hash:
3cf2c906cef76b3b0d87e2fcb6caafb6b76c0770
Detections:
win_formbook_g0
win_formbook_w0
SH256 hash:
c5608d50927ec6bb33582f43a7b68398e4e89757ee00ee9a7d187f91c92b7da9
MD5 hash:
6c67b06fe5f9cb3912ecae060455283b
SHA1 hash:
b596a6d9ed5f4a20ee97fe749dfa16cebb39936b
SH256 hash:
b46345204fa1d7aadb993b20001b8a6bdf707a88d7fe19883f006eafaee29024
MD5 hash:
05168c384376c31c4d9ce1df9dfc65b3
SHA1 hash:
80cf39ab807c953607e6dc00e068748b6327060e
SH256 hash:
22c702b7d64b21efbe5561e89718b0718aae61efb5e19cf9530c93064bffbe5c
MD5 hash:
af8f4261b69a8111ca5ad372aa423e08
SHA1 hash:
7bb840aa3e1542b7c91c0b83695ae1f82ad795ee
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
f7a37ab3f4c3f7e67fc347335869a9616f6658f3a45465697a58585ddb7e7caf
MD5 hash:
8a0c4eed07d28836f39cf33bc6640940
SHA1 hash:
281603fb0f6c50b97db2b6835762c7f5c4c6a94f
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| 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
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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