MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084. 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


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084
SHA3-384 hash: 4055445f5276d4a0714e9638fe612274f99a57ee452f5df2d785e113693ecd03c704278469c8a07d44343bc2e2399ae0
SHA1 hash: 1d3c5a7c207670935e144608da09b34a2e9bf8ff
MD5 hash: ae466afa4292c5c6f3d21ad0e9a9c52b
humanhash: ink-cup-charlie-island
File name:QUOTATION_MARQTRA031244úPDF.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:2'348'032 bytes
First seen:2024-03-25 12:30:37 UTC
Last seen:2024-03-25 14:36:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:20VVh/qMriEHJMtjmvn2cy5bwioFsMgmkYuGV6f0G:zhlrikKtyvn9MbwioyM0V50G
TLSH T1D2B53316DB6851BACAEF77BFD87305064FB1F640205AD3138C457E923A53B0A149BBA3
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon dcfc6c0e0f88c2c4 (2 x AveMariaRAT, 1 x AgentTesla, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084.exe
Verdict:
Malicious activity
Analysis date:
2024-03-25 12:41:11 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/38456d8d-c42f-4754-bb33-2bb28a30d92d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084
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:
Unknown
Link:
https://analyze.intezer.com/analyses/a54fb86c-8f75-4916-8b60-391a5ec2ddd9
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1415052
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-03-20 10:26:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ib74iuncjjnh2cfqm76iue3b6v7a6rrtdqm4jydjvywzm7gtgcca._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger rat spyware stealer trojan
Link:
https://tria.ge/reports/240325-pp4vrsae5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
f15632f4ba940677a4a64abe688874072313a805ad12c9ad7bfff90206f0f3ec
MD5 hash:
f9ac3b1b7a6d41a7624f294fe287b4ef
SHA1 hash:
862ee70a4c8f19edb9d055955605e0392ef54cb0
Link:
https://www.unpac.me/results/a778ef58-5fdb-482b-955c-c7d423502ac6/
SH256 hash:
4715ef824058abd497ffd012b5e29f9449d9f3a51df0d367684ea75c666c43d9
MD5 hash:
bc660205b66fc7d11234d2d829a25cd5
SHA1 hash:
50ee4da2381ae0182fdbe0b977b94cd2ca85e66f
Link:
https://www.unpac.me/results/a778ef58-5fdb-482b-955c-c7d423502ac6/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/a778ef58-5fdb-482b-955c-c7d423502ac6/
SH256 hash:
c30277ec2f2630c9b0540633c0d11e77a192229f53cbcf3d1b06a1683d172e4a
MD5 hash:
023f1667d8dbe30d9560ec76772cec25
SHA1 hash:
2328cc5d9a740d2f7f81fac9006e2059138e3f37
Link:
https://www.unpac.me/results/a778ef58-5fdb-482b-955c-c7d423502ac6/
SH256 hash:
c088ea4aa7702db8493b39d9cb2fe94d660cbb0de4ab87249cea305df4dbf6ab
MD5 hash:
37405dfa2ea48f3c455436818668ab85
SHA1 hash:
0c26eab9f41904e6e81fa850a4bfe9d410805ef8
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/a778ef58-5fdb-482b-955c-c7d423502ac6/
Parent samples :
fc1bc12b9fd30ac827862bbdcb650af53170b938ad575092afe6f85929d6dae0
c088ea4aa7702db8493b39d9cb2fe94d660cbb0de4ab87249cea305df4dbf6ab
5f77d00c25d59a2768f177de6643bc4c655cd621617529691e5339754e1ca118
199854b9d6151b9a4840baee02f0fe5f32e64d1504ecc3c6213fbef4e4e5037a
407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084
aa5e905630fdcd343ea0c1bdc41c67ec3b60abcab50f2ed7bcfba931e7d30f11
SH256 hash:
407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084
MD5 hash:
ae466afa4292c5c6f3d21ad0e9a9c52b
SHA1 hash:
1d3c5a7c207670935e144608da09b34a2e9bf8ff
Link:
https://www.unpac.me/results/a778ef58-5fdb-482b-955c-c7d423502ac6/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/407fc451a24a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

Formbook

Executable exe 407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments