MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b47a61d16376e7b825ec4b7eaa988247644b49ecbe80164b83424a65c014cc05. 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: | b47a61d16376e7b825ec4b7eaa988247644b49ecbe80164b83424a65c014cc05 |
|---|---|
| SHA3-384 hash: | dbbb461c046c75e50eb2a003c093c4c1ac217913ff68e8a86630797e1b9ed8f8a5f5a7447710a58dd729b3a6ec8dd06e |
| SHA1 hash: | 96579507e12f25cac47592aa1ce3574257c6124b |
| MD5 hash: | c0d2fb0eecfadb7ae13b50789846a88e |
| humanhash: | don-asparagus-utah-whiskey |
| File name: | Transfer confirmation.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 815'104 bytes |
| First seen: | 2021-03-04 10:26:53 UTC |
| Last seen: | 2021-03-04 11:41:34 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:WOOzAi/py8lYm9phJ9LUEd3KP+l96Q7fPpG3oDfq5JTlQ215d4qaXL+Y6vh9GMlj:/i/py8ljt9L7fPg3oDfq5RC2pRYsJ |
| Threatray | 3'790 similar samples on MalwareBazaar |
| TLSH | C305AE7076E95648F03A5B795BA0216197FBBC36DF10D00D7CA5428D4A33A82DB72B3B |
| Reporter |  cocaman |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Transfer confirmation.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-04 10:28:39 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:
Clean
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2021-03-04 09:23:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
63
AV detection:
17 of 28 (60.71%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'780 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.the-techs.info/chue/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
b47a61d16376e7b825ec4b7eaa988247644b49ecbe80164b83424a65c014cc05
MD5 hash:
c0d2fb0eecfadb7ae13b50789846a88e
SHA1 hash:
96579507e12f25cac47592aa1ce3574257c6124b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
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: | 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Other
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