MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b02043d8ce3c56a13880b941a0fb79fbaf85c98c31281e3f7b0a61f3cb6f7ee7. 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: 13
| SHA256 hash: | b02043d8ce3c56a13880b941a0fb79fbaf85c98c31281e3f7b0a61f3cb6f7ee7 |
|---|---|
| SHA3-384 hash: | 8cccffa26cec0ea545dfa0425ffa3e4ecc212521ab45c7a7e05bdb2a7a3c4a9f7855388f1a4cc136703c2d9eca106723 |
| SHA1 hash: | fd3c304efa5ae191a489c0dbe7d1066319f6144b |
| MD5 hash: | 8ff01422ae753d4cfd84d9db380a6d34 |
| humanhash: | autumn-network-grey-thirteen |
| File name: | D19302431033.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 859'648 bytes |
| First seen: | 2023-11-20 14:16:55 UTC |
| Last seen: | 2023-11-20 16:15:31 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:DkHLBa/mFiTEJ0+0OR8FCkoMbIZGvsemHuWJQmfNNOx2vd6Cf3rKvTe+MdW0Q62n:DcyaGvaHuCQuNFlfB+MF2rMrBJwp |
| Threatray | 65 similar samples on MalwareBazaar |
| TLSH | T10C05F53C1B9E0667FC79D6A7EBE08127B161BAE3F219DD24D8D703965302A0274D427E |
| TrID | 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  malwarelabnet |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
299
Origin country :
CAVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Trojan.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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-17 19:12:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 38 (63.16%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
agenttesla
Similar samples:
+ 55 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
b6a9d2dfdc7f82a4b541c319f2baad6e386ea0a63c705337c6b6432292fbabe6
MD5 hash:
e1604a1ee6f8a70d13ef706f3bec6ed9
SHA1 hash:
0800f3582204bc4fe659f8f246bcb1382f2dda21
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
abcdfd88809fde2b8fb86c4b7f50894ff01157d45abdf9840a3dc3adc9a5c6b8
MD5 hash:
848c3537038c9ed908dd11f2860a8ca1
SHA1 hash:
08fc35e67c9f52a008e3f9f452674f59bd2a82d8
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
5f04fe7d0bb50a8920abeb038e8f2b3080ee4a8a56e454300ef9dd95dbddf44a
MD5 hash:
577b63ef1dd865ad17e2de833aac8f25
SHA1 hash:
81d65b44c03811568db51c4218e56a160c1895c5
SH256 hash:
ba7d108e477239bfd697a1e371db36a90d907f8ceb65bcf9033c2f635a147b1b
MD5 hash:
b65ec0e13cc559b05c381316bf032ec4
SHA1 hash:
a075d61cc1e6124b1f157054b94b04b1c356f89b
SH256 hash:
38353f0eca0c55176e56f8fd1dcc5e7d9affb549bd3686e5ad59c332d8e18de8
MD5 hash:
7562efdcafe60b2c3856ac5188f46c3d
SHA1 hash:
75788d42bfc3fd6af7728d28e830e0f6117b855a
SH256 hash:
99e1ee3c7fc4d828f75f523305d457295c008a547aa8b2bf806d0600ce22f0b4
MD5 hash:
d37f53db5399ce30a860152748ab0134
SHA1 hash:
3e9f94265d6bcc09dc6b858d48fbacce5e3096ac
SH256 hash:
79ae3504bc7c16b51cab511f7280d2b4a4a3f3f59e6fac9f38317d77ac55548c
MD5 hash:
b3ddd9021e905385b9258d0424fceea3
SHA1 hash:
30309ef605ef96dc8445e8e72777cfcb267d6d69
SH256 hash:
3ee1c88138caa3c13eb2d60dfb43eaf05f222fc3e02f1473a6ed470cc9c35acf
MD5 hash:
f941ef0c5186f6bca3db5df39454acf8
SHA1 hash:
07929d4a3e45ccddc99c58e5c76578c1804e1e55
SH256 hash:
b02043d8ce3c56a13880b941a0fb79fbaf85c98c31281e3f7b0a61f3cb6f7ee7
MD5 hash:
8ff01422ae753d4cfd84d9db380a6d34
SHA1 hash:
fd3c304efa5ae191a489c0dbe7d1066319f6144b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| 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: | 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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