MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a352710790883442f580f87d70387649d03b7d1d6472d995ca4bdf96d88bbf50. 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: 10
| SHA256 hash: | a352710790883442f580f87d70387649d03b7d1d6472d995ca4bdf96d88bbf50 |
|---|---|
| SHA3-384 hash: | 98f6281c34bcfd805cd36d1461a1f6cd09166257b8f324d796cbc7fda1cb5f76cbde44fdec3fbdcc160e11d44f4fd3f7 |
| SHA1 hash: | a622075090eb4d369ed2e83120bc60468658bb11 |
| MD5 hash: | 7e3b39caa1e7f06aa617724ba54079c9 |
| humanhash: | utah-may-speaker-lactose |
| File name: | bank.doc.com |
| Download: | download sample |
| Signature | Formbook |
| File size: | 27'136 bytes |
| First seen: | 2021-07-15 09:00:37 UTC |
| Last seen: | 2021-07-15 09:59:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 384:hdaZr4oAzASr7/KTl65TF6qxT8P3ByFH5WaCd8wh2HD61LhekDBn570g/:hqiquxTiByFZRwtD70g/ |
| Threatray | 6'432 similar samples on MalwareBazaar |
| TLSH | T1ECC2822425A5BA14C3FE06740D93E82033F493738851D24DADD922DDEF527EB69C8EE9 |
| Reporter | Anonymous |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bank.doc.com
Verdict:
Malicious activity
Analysis date:
2021-07-15 08:59:55 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Process Start Without DLL
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2021-07-14 15:33:41 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'422 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader evasion loader rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Windows security modification
Executes dropped EXE
Nirsoft
Xloader Payload
Modifies Windows Defender Real-time Protection settings
Turns off Windows Defender SpyNet reporting
Windows security bypass
Xloader
Malware Config
C2 Extraction:
http://www.montrosecbdsupplements.com/cb53/
Unpacked files
SH256 hash:
a352710790883442f580f87d70387649d03b7d1d6472d995ca4bdf96d88bbf50
MD5 hash:
7e3b39caa1e7f06aa617724ba54079c9
SHA1 hash:
a622075090eb4d369ed2e83120bc60468658bb11
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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