MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3b850a085ce072cb545fd9422cc8d9eaae19329e27a032edda8bc676d392b8ff. 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: | 3b850a085ce072cb545fd9422cc8d9eaae19329e27a032edda8bc676d392b8ff |
|---|---|
| SHA3-384 hash: | 08363c336edc8523016b045c55af4b5306019a6a0757bae64f81ea53f4a059214fc7ed5a98d288f4331531646c2fc3d9 |
| SHA1 hash: | b603930f0e7eddd591603f6a4cb98ca91ad22d2c |
| MD5 hash: | f4f4c4e3afea48dcd636e5d8b1c08703 |
| humanhash: | river-five-fifteen-uniform |
| File name: | f4f4c4e3afea48dcd636e5d8b1c08703 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'000'960 bytes |
| First seen: | 2021-07-13 09:47:20 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 12288:03xPMCGdOvTO2o9VXYiqieJR4zq3E3hT2ta4STujsy//4db5QLyHys4XN5GnTOdh:OydOrO9/YBieJa8E3F2tuu7/WcWacPG |
| Threatray | 6'355 similar samples on MalwareBazaar |
| TLSH | T1C2258C2833FDA41AF233FE719F58E2855E566E759129910D28C4330B5870E81BEBB53B |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f4f4c4e3afea48dcd636e5d8b1c08703
Verdict:
Suspicious activity
Analysis date:
2021-07-13 09:49:19 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
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.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-13 09:48:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
26 of 28 (92.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'345 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lifeafterbobby.com/vn3b/
Unpacked files
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
SH256 hash:
3b850a085ce072cb545fd9422cc8d9eaae19329e27a032edda8bc676d392b8ff
MD5 hash:
f4f4c4e3afea48dcd636e5d8b1c08703
SHA1 hash:
b603930f0e7eddd591603f6a4cb98ca91ad22d2c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
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: | 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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