MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 759fef2afafc6fd1272af9f35f5d0e1d10565decb1226f0434508e47bd829727. 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: 14
| SHA256 hash: | 759fef2afafc6fd1272af9f35f5d0e1d10565decb1226f0434508e47bd829727 |
|---|---|
| SHA3-384 hash: | 21564b4128a8beac410e4848748703253d9bb205d60f306a091bcf5aaf1cf614409eb236b7e4e049f5b326c60b55186d |
| SHA1 hash: | b7ef749538db549b7be5255c69be78587781d2cb |
| MD5 hash: | ab966875c2c1e9371cacacb68201deaf |
| humanhash: | nebraska-black-avocado-carpet |
| File name: | D8fxGxDo2eEw9f2.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 458'752 bytes |
| First seen: | 2021-12-17 22:52:45 UTC |
| Last seen: | 2021-12-18 00:53:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 12288:nQYqQToTeFT2X4xkDGXAdhW/4tq6R2/00zbcjeuSK3vkmyyy1pWy:nQnQTyEC+7Adhq4ZRPVSK3vkd |
| Threatray | 12'334 similar samples on MalwareBazaar |
| TLSH | T195A412C063F4EB5BC1BA07F8202454D18BF5666167A2DF0F1D9AA3CFCA172D90A122D7 |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Searching for synchronization primitives
Setting browser functions hooks
Searching for the window
Creating a window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
75%
Tags:
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-17 21:49:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
12 of 28 (42.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 12'324 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:a0qs rat spyware stealer suricata trojan
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
227cfa4d3aee14acee710294946fefb0ec7d22faac9c9804302e5dae3dc6b384
MD5 hash:
901837a9999bfc37da4f8af80c3be4c2
SHA1 hash:
673c03d2cae0a9a7948a4d83eb44a63f502bd933
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
e0dc41b1cd9502a439ef99dbdc083bf7782611e6e948f7b88beca07bc2eb32ea
MD5 hash:
bb73ee76e8c3a7089203556af8c74bb4
SHA1 hash:
c4671fcf9ddfcded4bbe580b2ff9c14d782dc071
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
759fef2afafc6fd1272af9f35f5d0e1d10565decb1226f0434508e47bd829727
MD5 hash:
ab966875c2c1e9371cacacb68201deaf
SHA1 hash:
b7ef749538db549b7be5255c69be78587781d2cb
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:
0.65
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: | 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.
Delivery method
Other
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