MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b36e3385713986536d6e45ce45e17efb7f5adb295fe01934c69af535ba5dff10. 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: 12
| SHA256 hash: | b36e3385713986536d6e45ce45e17efb7f5adb295fe01934c69af535ba5dff10 |
|---|---|
| SHA3-384 hash: | 51961c47f8f2055bed7e1a452bd981a1b95e7e5bbce05879eed9f7aa87c30c188f981dc020cea6f5dd7cd90c3bce2835 |
| SHA1 hash: | 2008d83f63f7f74b425f89e44bdbc2d2d89d87ea |
| MD5 hash: | 9efa07355a0a2991a87c20fbfde15227 |
| humanhash: | winner-oven-finch-mountain |
| File name: | 9efa07355a0a2991a87c20fbfde15227 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 485'029 bytes |
| First seen: | 2021-12-16 10:10:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 12288:8PucYdvzaPT5PTYsMaP2iBwnGfTJd4niB:8PWZzaPTqsBOiNr4nm |
| Threatray | 12'540 similar samples on MalwareBazaar |
| TLSH | T19AA4237E71E0C8F3EE5285B025BBA2BA9BB98595D2D52E83CF482FF17C905065408978 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://107.173.229.169/e1/file_01.exe
Verdict:
Malicious activity
Analysis date:
2021-12-16 05:23:50 UTC
Tags:
opendir 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
Creating a file
Unauthorized injection to a recently created process
DNS request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay 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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-12-16 07:41:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 12'530 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:r3ie loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
b36e3385713986536d6e45ce45e17efb7f5adb295fe01934c69af535ba5dff10
MD5 hash:
9efa07355a0a2991a87c20fbfde15227
SHA1 hash:
2008d83f63f7f74b425f89e44bdbc2d2d89d87ea
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
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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