MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2c33c5bc5ff734e08441f0ae726f6a05bdc9aedf06d989767f3283c0ece448a3. 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: 15
| SHA256 hash: | 2c33c5bc5ff734e08441f0ae726f6a05bdc9aedf06d989767f3283c0ece448a3 |
|---|---|
| SHA3-384 hash: | f986721aaa9b0a828d36be273344772403499bf49e4ac1a1a928a2024d0f04c9ac91bebe51eabc81364a4eeb4c5cb365 |
| SHA1 hash: | 0bacbb56fc939ca9c62a4d97c842a9f15429f31a |
| MD5 hash: | f3ef43446e2e9b54be156d5ae18d1214 |
| humanhash: | bravo-utah-charlie-victor |
| File name: | f3ef43446e2e9b54be156d5ae18d1214 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 759'296 bytes |
| First seen: | 2022-05-19 14:48:41 UTC |
| Last seen: | 2022-05-19 16:01:32 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:zviK3zUXrh93w44p+Hdsp2DfBwJqPeQdCdYwX5ztklxiB:zvnjUXrD3w44pSdkamQ7wXF |
| Threatray | 15'699 similar samples on MalwareBazaar |
| TLSH | T1E8F49DE0367A0B56F9388FFD00A6616147F134B2966BC2991F9371FB1960BDA0EC095F |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f3ef43446e2e9b54be156d5ae18d1214
Verdict:
Malicious activity
Analysis date:
2022-05-19 23:01:00 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-18 20:42:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
25 of 41 (60.98%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 15'689 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:m9y5 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
SH256 hash:
3dfd2c3816d7c6b6f967ee7281fae1e4d1e2a8395b6052d99574fb623086f6f8
MD5 hash:
f63508591306cf3204c695d5a8b42cac
SHA1 hash:
9d6d67b0317cd5f7ac4dcdb06cab3a377cef5ace
SH256 hash:
82bfd44d655a1974037ca80e745ec9f8562904a56212a02a622423f20790172a
MD5 hash:
bb90879ddef73950ca8ed426d3c19b72
SHA1 hash:
b09ec8449e511dd5c9d3eab671b7d45c6cfdb019
SH256 hash:
b133c40259175237941d7075bb730c90da05a33591506619d38136489d59b7e2
MD5 hash:
56a59378d29ed4c805d4195893936387
SHA1 hash:
7dad918652a45c54b0897c27e8bf541c21c72557
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
2c33c5bc5ff734e08441f0ae726f6a05bdc9aedf06d989767f3283c0ece448a3
MD5 hash:
f3ef43446e2e9b54be156d5ae18d1214
SHA1 hash:
0bacbb56fc939ca9c62a4d97c842a9f15429f31a
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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