MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 539e70f04353ff7e975aa5917fd9ceb9a1638d006fa27d619bad123264c90188. 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: | 539e70f04353ff7e975aa5917fd9ceb9a1638d006fa27d619bad123264c90188 |
|---|---|
| SHA3-384 hash: | 45426d5b29f5ee4f583144072eee2d2538c9d54d134620cc7672512073ef4530089b048867489aaf31e8be4f3a18dc16 |
| SHA1 hash: | cfa200a6195849a7fbc68bd2ce80dde76edf423d |
| MD5 hash: | 0243704e1f212d0b71df3ddfed5fd221 |
| humanhash: | tennis-cola-north-delta |
| File name: | 0243704e1f212d0b71df3ddfed5fd221 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 492'032 bytes |
| First seen: | 2021-09-14 13:39:36 UTC |
| Last seen: | 2021-09-14 14:56:25 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 12288:aYk4DbF53e0IUFLyxnXa6jfbF+Zlk11QYLptoDqxQIs:z+xXTfbgZG1GFGxQIs |
| Threatray | 9'241 similar samples on MalwareBazaar |
| TLSH | T1CBA4AE203DFA5129F1B3AF795EE474969A6FB6733A17D41D1481038B0B23A81CE9173B |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
STATEMENT OF ACCOUNT.doc
Verdict:
Malicious activity
Analysis date:
2021-09-14 08:30:17 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-14 10:00:17 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'231 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:bckt rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kuyamodelexpo.com/bckt/
Unpacked files
SH256 hash:
b1fae1673a8e44a288a85e62706842f47c401450853042ef827a65e18838a1fb
MD5 hash:
6921c93bcb36efbfcd1e4ff510bcddba
SHA1 hash:
34116787eb111a00e0c64e524edebfdffd0f097f
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
00bb612edc6ecd8e803255ae568444cc0154d16fdd5404ad2172f45003c83bf7
MD5 hash:
f5622f373c08aabe8d3d3e9dd0f00b4d
SHA1 hash:
da328663cc7677f5f5f931f1fdad7e3a785ef92a
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
539e70f04353ff7e975aa5917fd9ceb9a1638d006fa27d619bad123264c90188
MD5 hash:
0243704e1f212d0b71df3ddfed5fd221
SHA1 hash:
cfa200a6195849a7fbc68bd2ce80dde76edf423d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
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: | 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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