MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 da3faf405c8673426db7d5e6a59fb74f2cb6e0362b6e280a09024ba97dc98dc7. 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: 12
| SHA256 hash: | da3faf405c8673426db7d5e6a59fb74f2cb6e0362b6e280a09024ba97dc98dc7 |
|---|---|
| SHA3-384 hash: | 030e49218581077d17e9e08fbd983cd2bf2e5c56035d8b01f4f1562b658101fe647daa03f7d7dbe30a5ea719a2926c01 |
| SHA1 hash: | ac3b268287536cf19eda02d26186c9da6d6ea49b |
| MD5 hash: | c5c4d1d50862215ec715be1def000f3a |
| humanhash: | triple-comet-comet-blossom |
| File name: | c5c4d1d50862215ec715be1def000f3a |
| Download: | download sample |
| Signature | Formbook |
| File size: | 799'232 bytes |
| First seen: | 2022-04-09 07:22:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:2TE5qFN3FpErqq2h471UxcC3jFC0+QbHDEiCxQ20C:2Eq7Zq2m71UWC35L+eDs621 |
| Threatray | 14'714 similar samples on MalwareBazaar |
| TLSH | T12605028CF7127DEDD81BC3B57A756C22BF11A423976E085A5053026A8D2D443CB6BCEB |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c5c4d1d50862215ec715be1def000f3a
Verdict:
Malicious activity
Analysis date:
2022-04-09 07:23:54 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-09 00:07:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 42 (50.00%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'704 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:r2y0 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
Unpacked files
SH256 hash:
d8e895f25451739d32609b8d47dd34070bf70e3af069580b2d5dd46264fd0905
MD5 hash:
13941ed4f19d76e1177dfeb5f6cd7842
SHA1 hash:
f3892fd28f72fdae7bc57fedad26830d34f3210d
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
da3faf405c8673426db7d5e6a59fb74f2cb6e0362b6e280a09024ba97dc98dc7
MD5 hash:
c5c4d1d50862215ec715be1def000f3a
SHA1 hash:
ac3b268287536cf19eda02d26186c9da6d6ea49b
Malware family:
FormBook
Verdict:
Malicious
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: | 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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