MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 31a06c8d10ff489460190d4ff7a81d62be80348f6c47a99984a8defe3bb9e333. 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: 11
| SHA256 hash: | 31a06c8d10ff489460190d4ff7a81d62be80348f6c47a99984a8defe3bb9e333 |
|---|---|
| SHA3-384 hash: | d37a38447b80ec1d817caf266e1b8ae6009cf21162e5ba7f733de991fc8d2031502429c5215bdac333154fa3b2f4b9bb |
| SHA1 hash: | b5af5807ec2d882147e2885d1229ed56f4463e41 |
| MD5 hash: | ac9d0d3e4b472040eb5b614c2577103b |
| humanhash: | fifteen-bulldog-north-hot |
| File name: | ac9d0d3e4b472040eb5b614c2577103b |
| Download: | download sample |
| Signature | Formbook |
| File size: | 665'088 bytes |
| First seen: | 2021-09-07 10:59:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 6144:GIFJLgG3/ABz2s40V1vlOdAnz9Uiw7YlylrM22m3HYIvEEChP8g5aK1lhTU4Gbcc:kar0hlOBiwsQlp/YvEsVKA |
| Threatray | 9'237 similar samples on MalwareBazaar |
| TLSH | T1E9E41B3E18FE23279176C7D5CBE48923F6C498AF3133A964A7D747664316A4634C322E |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Required quantity.doc
Verdict:
Malicious activity
Analysis date:
2021-09-07 10:00:25 UTC
Tags:
exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-09-07 08:54:15 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'227 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:9t6k loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.schoolphysician.com/9t6k/
Unpacked files
SH256 hash:
db4778975593941c2f55cc96f976b3913f34fdb4271d72cb7d8724a7b9acaedc
MD5 hash:
e1c3d6d43675ba42af260fb9478bdca1
SHA1 hash:
e49b934aea6b5b2bd529757f1b865687ead248d4
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
4892412e003a8ef95c6ba71ff0646e18a67e2e471887a2867a54002cd4bea5d8
MD5 hash:
6112ade4bbb65c40e92886cb9aa54ccd
SHA1 hash:
63d5eac9535c831e6ed3c9451388b5652afb1ed3
SH256 hash:
31a06c8d10ff489460190d4ff7a81d62be80348f6c47a99984a8defe3bb9e333
MD5 hash:
ac9d0d3e4b472040eb5b614c2577103b
SHA1 hash:
b5af5807ec2d882147e2885d1229ed56f4463e41
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
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: | Embedded_PE |
|---|
| Rule name: | Embedded_PE |
|---|
| 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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