MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b64048775efce2b4acc5e62c5871538b46928fa3a38bd7f253c750f309373af6. 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: 16
| SHA256 hash: | b64048775efce2b4acc5e62c5871538b46928fa3a38bd7f253c750f309373af6 |
|---|---|
| SHA3-384 hash: | 652244748af0f97d6775b672243f9f3fae8572247f7438faa28d154de7141ded66d6aaa3e0a61ec6461c6f1e0e65b83e |
| SHA1 hash: | 699cb088c256b09c4dc69aa9df700a0c867458bd |
| MD5 hash: | 3f1bfb9a3e8fcc4f6913767af576358b |
| humanhash: | eleven-gee-william-sierra |
| File name: | 3f1bfb9a3e8fcc4f6913767af576358b |
| Download: | download sample |
| Signature | Formbook |
| File size: | 951'808 bytes |
| First seen: | 2022-07-14 05:58:26 UTC |
| Last seen: | 2022-07-14 10:25:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:5xgwYyEQwx2vdVVG/BpFbtjErKOs6BXfhvbPFS0yzySje4oPV0v830Myyy0xObDl:Dclxx0apfiGUfdbFS0cLVCV0vq2oY |
| Threatray | 17'226 similar samples on MalwareBazaar |
| TLSH | T1B715AE98B2D0B2DFD4ABC9719FD86CB4FB64B57B430B9217906319AD9A5D843CF100B2 |
| 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) |
| Reporter |  openctibr |
| Tags: | exe FormBook OpenCTI.BR Sandboxed |
Intelligence
File Origin
# of uploads :
2
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
13072022.docx
Verdict:
Malicious activity
Analysis date:
2022-07-13 01:31:59 UTC
Tags:
generated-doc exploit CVE-2017-11882 loader formbook trojan 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
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
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:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Sample uses process hollowing technique
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:
2022-07-12 05:57:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 17'216 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
6ea12b55359130c7abdf7bc1f86ec25ff311c46502331dad11bea0f262ae73db
MD5 hash:
b3511358109c094b05884fa694a48fdc
SHA1 hash:
3c7b92d4def820f949e9676ebc3df71f930905aa
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :
d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e
7ceb258885f4808b552b82920a794af157a4fb463a479468035bee2f79d82159
b64048775efce2b4acc5e62c5871538b46928fa3a38bd7f253c750f309373af6
4b040cd26bcf5a1bbedf762947faa295769ba625fdc334765e732fae81c76ad3
3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee
65cd6a8ac30be5ff3bc96e9a496840df43415bcdc0d5ebff61defe52aed835f1
7ceb258885f4808b552b82920a794af157a4fb463a479468035bee2f79d82159
b64048775efce2b4acc5e62c5871538b46928fa3a38bd7f253c750f309373af6
4b040cd26bcf5a1bbedf762947faa295769ba625fdc334765e732fae81c76ad3
3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee
65cd6a8ac30be5ff3bc96e9a496840df43415bcdc0d5ebff61defe52aed835f1
SH256 hash:
f3139e35bcdb5a721ef61a6680b21dcd44802383a0340729f12fdaab6cc2af65
MD5 hash:
8bbfba36e7d667f076dda5e4e0eee761
SHA1 hash:
f8f6ec867acc7115e8eb3c6c6765632217a3dd32
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
b64048775efce2b4acc5e62c5871538b46928fa3a38bd7f253c750f309373af6
MD5 hash:
3f1bfb9a3e8fcc4f6913767af576358b
SHA1 hash:
699cb088c256b09c4dc69aa9df700a0c867458bd
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: | 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
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