MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 434b981d37f0dba7b939c15ec2f335158971872246326de0d6b24394a77e6353. 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: | 434b981d37f0dba7b939c15ec2f335158971872246326de0d6b24394a77e6353 |
|---|---|
| SHA3-384 hash: | 5db7ebf72c47ec1317170d35de42dd8f1418b9f62d9f01d57eb5e1cac6874b8e6c15ecea43a0d51d98b19690b01ffe08 |
| SHA1 hash: | 15d5b68fd36cde3b4448a0c560b2f7dff6d67226 |
| MD5 hash: | ae1dbcf05a65e59aec2a10a9c072c537 |
| humanhash: | early-autumn-one-harry |
| File name: | SecuriteInfo.com.Trojan.Inject5.1313.29682.23330 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 607'744 bytes |
| First seen: | 2024-01-18 18:26:20 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 | 12288:WDEKnoHaiXtQH28HBmmG9LaisEmSGnlvkgv+eRlR7GUlfu:fTV9E28NYFOn2W+Q/7 |
| Threatray | 562 similar samples on MalwareBazaar |
| TLSH | T15CD4E18073D2DB2CD9E28B75FCFD84115B38DA889041A72B76FC57682FD270946A3762 |
| TrID | 35.4% (.EXE) Win64 Executable (generic) (10523/12/4) 22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.1% (.EXE) Win32 Executable (generic) (4505/5/1) 6.9% (.ICL) Windows Icons Library (generic) (2059/9) 6.8% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 8606460e0f397536 (3 x AgentTesla, 2 x Loki, 2 x Formbook) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
322
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ea0d508838824f307834ad0175e5c033295b29ee52c79e1aaaa43c4cd3453d34.doc
Verdict:
Malicious activity
Analysis date:
2024-01-17 14:27:12 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader stealer spyware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Searching for the window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Zusy.Generic
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:
NovemLoader
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Whispergate
Status:
Malicious
First seen:
2024-01-17 15:38:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 552 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a3821f2cb8392da9802b30744c85a67046e66cf9c937baf68cba0e937692d219
MD5 hash:
490268b36629a67d3ebc0991ffbcd527
SHA1 hash:
7b180af5a83ca4b825ea06dc6ee66a36cd57edc1
SH256 hash:
0bea906eee3839949a88d4ccf1e688c770c4f496a3a8f44a532bff31bd13a224
MD5 hash:
f2dad39b379b1c8351c52200016f377c
SHA1 hash:
b21060761fc35a1508610deb5a6186b735e6a497
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
SH256 hash:
b2ea3db00a88780a79bf83958342f469c2e04626629ada982a09dd29e595aaf4
MD5 hash:
66cc7c6a91ad9dd3c1d6f93c6d6171bf
SHA1 hash:
5d68ae463ebbcb69779bbeb84c58fba1ba6c2dfc
SH256 hash:
434b981d37f0dba7b939c15ec2f335158971872246326de0d6b24394a77e6353
MD5 hash:
ae1dbcf05a65e59aec2a10a9c072c537
SHA1 hash:
15d5b68fd36cde3b4448a0c560b2f7dff6d67226
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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