MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8ea6b5e7721a2d508d362f9e75fc38fe3b845375c358829ef0604cc2345aa13. 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: | a8ea6b5e7721a2d508d362f9e75fc38fe3b845375c358829ef0604cc2345aa13 |
|---|---|
| SHA3-384 hash: | 4193a1dc3552c68e6c3af902a05f5848baf5b0e62076371a33291a03ffda5bd4d15eea54e82cc2ecfb8052d0211fdb7a |
| SHA1 hash: | 2997b29050c7e44072f886705cbd4be6a3edda97 |
| MD5 hash: | e2827700e9676ad0d4b734d5f4a221b3 |
| humanhash: | green-purple-triple-zebra |
| File name: | e2827700e9676ad0d4b734d5f4a221b3 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 701'952 bytes |
| First seen: | 2021-10-22 15:03:58 UTC |
| Last seen: | 2021-10-22 16:12:07 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 12288:FRZHIUoN4rfIpj+fvRwIyizYi98wUpAeeqRVTHOi5xNZEraoosn:F3oUoNe8Knnyij98wieqnt |
| Threatray | 10'863 similar samples on MalwareBazaar |
| TLSH | T127E45BBC3155BD9FC42ACF7B46502C149621B8A7020FF31361A726E94FADBD68E412E7 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
fareit obfuscated 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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found 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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-22 15:04:05 UTC
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 10'853 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:k8u7 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ardisadr.online/k8u7/
Unpacked files
SH256 hash:
0061e9c8d485a6a02d4bd2f4bc76804070d6c05b42249d4fdea2b809c88bd25a
MD5 hash:
4b3ede182db57241b0b5ee8fc9ca9d3b
SHA1 hash:
68a56208f70d268e03e5f7616f854d66712cc0be
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
7c432c372b61aba2841f2fb5f5cd5f53e1f8bc5987478cda6ce2c890cb27bfc3
MD5 hash:
fc2316e7655ef3081ee3ed2095ec59ce
SHA1 hash:
fc041c13c76631146f4b614258d65bb607087a8e
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
SH256 hash:
a8ea6b5e7721a2d508d362f9e75fc38fe3b845375c358829ef0604cc2345aa13
MD5 hash:
e2827700e9676ad0d4b734d5f4a221b3
SHA1 hash:
2997b29050c7e44072f886705cbd4be6a3edda97
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: | 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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