MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 66ebf028ab0f226b6e4c6b17cec00102b1255a4e59b6ae7b32b062a903135cc9. 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: | 66ebf028ab0f226b6e4c6b17cec00102b1255a4e59b6ae7b32b062a903135cc9 |
|---|---|
| SHA3-384 hash: | b36ba0765c8a7d96adf4c9dca2cf1c2dba430a272b25a3c8f9793b80b56f925cbb7b94a9b5d7f5fe565a0e118b93e6c5 |
| SHA1 hash: | a9977b3ac94c0c7446dce767ba211517a05525d6 |
| MD5 hash: | 2d95b8d3a985b14415096eb1aca093e1 |
| humanhash: | red-georgia-robert-social |
| File name: | PDF.DHLinvoice.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 832'512 bytes |
| First seen: | 2024-01-22 09:58:02 UTC |
| Last seen: | 2024-01-22 11:24:08 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:OWp+RJg9K4VefDOtUhA7LOzjV2/iKh3aMEepi8/ouYAeUmP:N0Jg93VShA7yzjE9KUpYJn |
| TLSH | T10D057B40D1C9FCA9C00A11B69838F538751DF79D917BCC6A2E6EA149A0B7393706BF1E |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | d884a68e96a29acc (4 x Formbook, 1 x AgentTesla, 1 x RemcosRAT) |
| Reporter |  abuse_ch |
| Tags: | DHL exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
360
Origin country :
NLVendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade packed
Verdict:
Malicious
Labled as:
Malware
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:
MSIL Injector
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2024-01-22 04:24:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c90aafffc74449a20a75bd64631e17ebf767a9dfc7a2e05529f2fd5f1edbdc5d
MD5 hash:
2c8567978d76ab0a80ecf58f89d52cad
SHA1 hash:
c035775046093078ffb9b6ca59e2cf84fb4d42e6
SH256 hash:
974c15c1f79c2d06b0b2038628613a162104a8dbc688b060bf7653dca5cb9fa6
MD5 hash:
e67033bce0618dcabcc950ad1108dd59
SHA1 hash:
4a780217aa275a01037f13101b2508501162f57d
SH256 hash:
38829b602b6884f805a06794878d6e59bb67aa11e12061ce7aae501516948771
MD5 hash:
bc61bdf81fc62d97b43259e39c48109a
SHA1 hash:
e53458984473f4f05e4c3f81c89e95134aed3a67
SH256 hash:
292a0518841e86949acf831703623779d63591cc95ebc4030d00da3b72066c77
MD5 hash:
4d697347eedf1d51cc5fcf7a066621f1
SHA1 hash:
bb9398d6d9f9ff3c74aadee7cdac6e04fab4770d
SH256 hash:
dd3ebaac516948c12c3193c6f4a9454d30c5997bf7c1d1a77bc5a6f3afbe2c1d
MD5 hash:
b77799e2e41bb2bcfbd13bf3f15e2684
SHA1 hash:
a6220442058d4040182f1a46c64fb73cd6217871
SH256 hash:
66ebf028ab0f226b6e4c6b17cec00102b1255a4e59b6ae7b32b062a903135cc9
MD5 hash:
2d95b8d3a985b14415096eb1aca093e1
SHA1 hash:
a9977b3ac94c0c7446dce767ba211517a05525d6
Verdict:
Malicious
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: | 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.
Malspam
Delivery method
Distributed via e-mail attachment
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