MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4166ad5cb4dc5c1a94846632840494ae95cb1677130a11443889af9a9c44e8e7. 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: 12
| SHA256 hash: | 4166ad5cb4dc5c1a94846632840494ae95cb1677130a11443889af9a9c44e8e7 |
|---|---|
| SHA3-384 hash: | 24c1e091469a626a401a38b599c111d2cbb6557b055cb489d622edc238812ad76d9a8d078c211c54a7e53492c52241bf |
| SHA1 hash: | 832a8565799dc46ccb4c0460582b5a0d82e104d6 |
| MD5 hash: | 82cff5feef3192ca45e48aebd8576d1b |
| humanhash: | wisconsin-zebra-kitten-georgia |
| File name: | AWB 9899691012 Clearance Doc_pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 784'384 bytes |
| First seen: | 2023-11-20 06:57:35 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'249 x SnakeKeylogger) |
| ssdeep | 12288:ImBa/mFiTEJ0+0OR8FCkoYclnlDZnofg0nqRSgGpNYfw5UOQattamnkWJiyAl:4Itxo40nQSDLz2OZfkWJlA |
| Threatray | 183 similar samples on MalwareBazaar |
| TLSH | T1C9F4F43D1B9E0667FCB9D6A7EFD0812BF061AAE3F209AD24D4D703559302A4670D427E |
| TrID | 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.1% (.SCR) Windows screen saver (13097/50/3) 8.9% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 0830b05959b9b004 (5 x AgentTesla, 1 x Formbook) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
293
Origin country :
DEVendor Threat Intelligence
Detection:
Formbook
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:
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.
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
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 12:40:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 38 (60.53%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
agenttesla
Similar samples:
+ 173 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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
4549efbcddb7a6ed25955f2ccd49f43ab707299e12fe60655b1809edeef6c573
MD5 hash:
40e53a6960031e8ffe002c3e15fb2c5c
SHA1 hash:
e74ecc57d72abbbe5486130bd6f4c1b4136efec3
SH256 hash:
0a351e21008b1210125bc55edc9838942ad40a8e64fd28dada7cfdbf728b7e6e
MD5 hash:
4818f50f932b66aecaf32630944c4717
SHA1 hash:
2a823c0d41a3e0feed74f31bbc0042473aed3a11
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
60b30ac27a4caaf8f67926c782f654538ea09162362d7580ff507dff49fed7b9
MD5 hash:
a1c60e9ce9e8fc44eb29925f21946602
SHA1 hash:
ac019747bbdfdaf79ba645bf4a833a2cb0df79d7
SH256 hash:
4166ad5cb4dc5c1a94846632840494ae95cb1677130a11443889af9a9c44e8e7
MD5 hash:
82cff5feef3192ca45e48aebd8576d1b
SHA1 hash:
832a8565799dc46ccb4c0460582b5a0d82e104d6
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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