MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 70b9a33ff0a0015c752ba25d48217462ec82614f8ad333bb0eebe42392bc80a7. 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: | 70b9a33ff0a0015c752ba25d48217462ec82614f8ad333bb0eebe42392bc80a7 |
|---|---|
| SHA3-384 hash: | a3b522b1c5e00ee81ebc3918ca0a4fc1a9ea66c60cc02d90e44426e05b57ce666468e993990ea47928382c9b74b2e6c6 |
| SHA1 hash: | e43831565792fc04eb84d12ac1b200ed3f90f214 |
| MD5 hash: | 4caaf8a35bde83651e6de14ab6c0e7f7 |
| humanhash: | hamper-thirteen-monkey-comet |
| File name: | SecuriteInfo.com.Variant.Lazy.332758.25478.921 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 779'264 bytes |
| First seen: | 2023-11-21 15:18:35 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:iWb4/0rg32s0xfLH2e1FsIScuiu/oIC/pFYWpAY0v9BnUA1B3:iWb4/ug32swrnFkFoIC/MK01BnUA1B |
| Threatray | 26 similar samples on MalwareBazaar |
| TLSH | T1FBF4CF616BF8861BF2FE6BB8B47055144BB6F946B43EE75E0C8865DD1C23B008A1137B |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
375
Origin country :
FRVendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
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)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
expand greyware lolbin masquerade packed remote
Verdict:
Malicious
Labled as:
Lazy.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.evad
Score:
84 / 100
Signature
.NET source code contains potential unpacker
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2023-11-21 13:05:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 23 (73.91%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 16 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
37d706c0ad4e1a050093c4179c6ae58d048c329b02c7925dd37d49da437b299e
MD5 hash:
99668b03a313b8f64854e31e6910ed12
SHA1 hash:
e9521461bf00a7224bb7eb94297c10351e234d5c
SH256 hash:
036d7bec053654c8979b4fb2a8d6ea1bc8877db0718674b7b4dbd8a2c9812aa3
MD5 hash:
4dd73f149e6b64b01252c10305e9f674
SHA1 hash:
bcf92e89500989734efd84438547e4299a54c5d6
SH256 hash:
8d0d7de21fee2d7fbb34cfb801e911205747738ef1cab7bc08a5412ac73fcc2f
MD5 hash:
4b3d06158a03d3ebf7f6089faa8d238f
SHA1 hash:
8c950cb3e9f91907b4e79fe8e8f01acce4b78bd7
SH256 hash:
102c19c2b23a08ba6683c5978155814820542b2f8eb5587f3132a8b6db05cef9
MD5 hash:
67257698b36ea5659e0623e5093f9b2a
SHA1 hash:
4c444fb7207486c92656efc3e1f39ca420721948
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
70b9a33ff0a0015c752ba25d48217462ec82614f8ad333bb0eebe42392bc80a7
MD5 hash:
4caaf8a35bde83651e6de14ab6c0e7f7
SHA1 hash:
e43831565792fc04eb84d12ac1b200ed3f90f214
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | 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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