MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b6bc079ff664edfcf12f0d33f06e5fcfa98e7b6ac4c33fb5fc3c8c7910aab36. 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: | 4b6bc079ff664edfcf12f0d33f06e5fcfa98e7b6ac4c33fb5fc3c8c7910aab36 |
|---|---|
| SHA3-384 hash: | d0919a6f9f054266e39762c45cb0b41ae9f9aeb3f241aacba0f54a0787c1037fa69c1203e508bd7fb93d3f65fc166d6a |
| SHA1 hash: | 10c1f43d42e4f2256f2024485a012c15adee2ef1 |
| MD5 hash: | 3fc45878ccdf12070f526ff0246c1f28 |
| humanhash: | monkey-thirteen-bulldog-muppet |
| File name: | PI_OIUYT0987654456.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'209'344 bytes |
| First seen: | 2021-06-15 10:59:46 UTC |
| Last seen: | 2021-06-15 12:52:42 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 12288:8kIBf7YDF8ejBvQ9XycNsiaX3Yil3jHpKbHS5NRz9N+MkPsmx9VCZ6vpoByOx:REy5X40THpKDS55N+MkPL5Qy0 |
| Threatray | 5'763 similar samples on MalwareBazaar |
| TLSH | FF45D112F211D96AD03E493548B5D0F842F5FE8B6825EB5F2DC07AAFADB26C5C921703 |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI_OIUYT0987654456.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-15 11:04:21 UTC
Tags:
n/a
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 UDP request
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
Allocates memory in foreign processes
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
Sigma detected: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-14 03:29:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
61
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'753 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.bodymoisturizer.online/q4kr/
Unpacked files
SH256 hash:
82fe42ffa7c2160c4ba79b666ba52f6dce210e0be5cbbb1419ddf3058215568b
MD5 hash:
a7c717e07a9e8fc3408914687859cf8a
SHA1 hash:
862f0e3f4f99c7674a540327ba08792e8a6cf5a1
SH256 hash:
4b6bc079ff664edfcf12f0d33f06e5fcfa98e7b6ac4c33fb5fc3c8c7910aab36
MD5 hash:
3fc45878ccdf12070f526ff0246c1f28
SHA1 hash:
10c1f43d42e4f2256f2024485a012c15adee2ef1
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_formbook_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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