MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ce844a8fbd6db8142fff6b159a970d1f6156dda1dd758828e5e8755ab7a922cb. 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: | ce844a8fbd6db8142fff6b159a970d1f6156dda1dd758828e5e8755ab7a922cb |
|---|---|
| SHA3-384 hash: | ede14c355146561434723fb7412ccc698c82fcd6b75215c28c6333ead8ac1298c733c8de21a09955e331b95c0e6469aa |
| SHA1 hash: | 9a17615211b658fffe30d1edf9a12c946b991830 |
| MD5 hash: | 28527ceca95ca154ef0830e7e1d12cca |
| humanhash: | whiskey-pluto-fifteen-stream |
| File name: | 28527ceca95ca154ef0830e7e1d12cca |
| Download: | download sample |
| Signature | Formbook |
| File size: | 873'472 bytes |
| First seen: | 2024-02-14 12:16:29 UTC |
| Last seen: | 2024-02-14 14:31:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:zer5d/+wFA88xSTXO/z6vh4VauT4ooMu:A//vA88xSrO+vXuUD |
| Threatray | 581 similar samples on MalwareBazaar |
| TLSH | T1C805AD14B7F91609F2FF0B7BB5B1102686BAFE167D42C71E19515A9E0C22B80CDA1B73 |
| TrID | 30.2% (.EXE) Win64 Executable (generic) (10523/12/4) 18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 14.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 12.9% (.EXE) Win32 Executable (generic) (4504/4/1) 5.9% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
311
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
c58f153aeb6597d18899c08977d121ae63235244dd77fef1a0241d9012715e96.doc
Verdict:
Malicious activity
Analysis date:
2024-02-14 09:47:07 UTC
Tags:
formbook 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)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
crypto lolbin packed remote
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
88 / 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)
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 FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2024-02-14 12:17:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 571 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c3891e71226078653a65ad92cfb4b4604ae06e6f45237e8fd3d003c74d127493
MD5 hash:
988e9403c5379e9dd79c3a8a7bcec1ae
SHA1 hash:
f2cf6cfd34aef492277b0ffb4060f33a02e4f4d3
SH256 hash:
4052f1af8249f1ce8832e0e5027877087432dd1cd74decfc3c7f14b1c37ce0aa
MD5 hash:
1e2cb46bc2a6b386166df3293c3b39e9
SHA1 hash:
4efac2ede03b483dcb93cfd6838dcf59bd35ff3f
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
SH256 hash:
cc380f6485ff122f45942cf6dd6297e3b8b161248d69be9dd98317e519e5bc89
MD5 hash:
dc86c6c5f4b38a3feaed31987384e1e0
SHA1 hash:
bbf974e1d331887f59ea84661938502c7e6092c1
SH256 hash:
ce844a8fbd6db8142fff6b159a970d1f6156dda1dd758828e5e8755ab7a922cb
MD5 hash:
28527ceca95ca154ef0830e7e1d12cca
SHA1 hash:
9a17615211b658fffe30d1edf9a12c946b991830
Verdict:
Malicious
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.
Web download
Delivery method
Distributed via web download
Comments
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