MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f4fe32bba1b311259ec25cc0bb98c46f741ff0ad2592f6a05fe8d7096dbcd630. 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: 8
| SHA256 hash: | f4fe32bba1b311259ec25cc0bb98c46f741ff0ad2592f6a05fe8d7096dbcd630 |
|---|---|
| SHA3-384 hash: | 7446470fd4e10e2efa6f207b23c0847d80424de4b39123935a2c098ef41d215e3341241abed1e64cb69b7f57d0dc23eb |
| SHA1 hash: | 4a94f71dd2dbd3041d254710945a150d98ef291a |
| MD5 hash: | f1b843b54a30b588cdca7f9256ac7c74 |
| humanhash: | orange-fix-sweet-hot |
| File name: | f1b843b54a30b588cdca7f9256ac7c74 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'060'864 bytes |
| First seen: | 2022-04-07 06:00:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 12288:H6HRPB/8ZLxAw1hnCHJlQZpCFL6pyGsC2kphYELg:axPBCJPCTMpCFyyGsCDo5 |
| Threatray | 14'640 similar samples on MalwareBazaar |
| TLSH | T191358DE4138B4FB3D47C4772C12257DAE3F02E3172AECA29466B3C9C66D73246918667 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f1b843b54a30b588cdca7f9256ac7c74
Verdict:
No threats detected
Analysis date:
2022-04-07 06:13:16 UTC
Tags:
n/a
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
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
greyware obfuscated packed stealer
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Contains functionality to hide user accounts
Found malware configuration
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)
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-07 06:01:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'630 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:arh2 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f4fe32bba1b311259ec25cc0bb98c46f741ff0ad2592f6a05fe8d7096dbcd630
MD5 hash:
f1b843b54a30b588cdca7f9256ac7c74
SHA1 hash:
4a94f71dd2dbd3041d254710945a150d98ef291a
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: | BlackGuard_Rule |
|---|---|
| Author: | Jiho Kim |
| Description: | Yara rule for BlackGuarad Stealer v1.0 - v3.0 |
| Reference: | https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing bas64 encoded gzip files |
| 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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