MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4023f16ab570c96bbfc7d6c9685d137382c82029c15df71696acdc20023dd31b. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: 4023f16ab570c96bbfc7d6c9685d137382c82029c15df71696acdc20023dd31b
SHA3-384 hash: 1a53b794798f31a32eb5510348e86accc34bc68e71c6468635736ac85386a929b9c07cc935c2276bf7c2ec31927ed4f2
SHA1 hash: b92a0256ced0778c1892e4f7457679e9dcf626db
MD5 hash: acd4b8a4942027c60549e8adb8195727
humanhash: november-delta-emma-delaware
File name:ÖDEME DETAYLARI 170325.exe
Download: download sample
Signature Formbook
File size:694'784 bytes
First seen:2025-03-17 09:34:30 UTC
Last seen:2025-03-17 10:35:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mQTPphPpFk6TzS+rlapC/BdEZaPe/jS/9JZZDnWlnlDlDkSI6UWeK4:rhPpF+elU6BdYu1JrWllxkl6P
TLSH T114E4019526B98F26EEB913F14A30E23447F62D99E421D30B8EC6ECDF34A17416B15393
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
420
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ÖDEME DETAYLARI 170325.exe
Verdict:
No threats detected
Analysis date:
2025-03-17 09:36:51 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1640442 Sample: #U00d6DEME DETAYLARI 170325.exe Startdate: 17/03/2025 Architecture: WINDOWS Score: 100 32 www.riminal-mischief.cfd 2->32 34 www.rg-txtagstorefrontfze.world 2->34 36 3 other IPs or domains 2->36 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 11 other signatures 2->46 11 #U00d6DEME DETAYLARI 170325.exe 4 2->11         started        signatures3 process4 signatures5 58 Adds a directory exclusion to Windows Defender 11->58 60 Injects a PE file into a foreign processes 11->60 14 #U00d6DEME DETAYLARI 170325.exe 11->14         started        17 powershell.exe 23 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 70 2 other signatures 14->70 19 explorer.exe 39 7 14->19 injected 68 Loading BitLocker PowerShell Module 17->68 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.camtech.online 13.248.169.48, 49733, 80 AMAZON-02US United States 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 25 cmstp.exe 19->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 56 Switches to a custom stack to bypass stack traces 25->56 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.Snakekeylogger
Status:
Malicious
First seen:
2025-03-17 09:35:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 22 (81.82%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unc_loader_037
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bs03 discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
4023f16ab570c96bbfc7d6c9685d137382c82029c15df71696acdc20023dd31b
MD5 hash:
acd4b8a4942027c60549e8adb8195727
SHA1 hash:
b92a0256ced0778c1892e4f7457679e9dcf626db
SH256 hash:
f60a24b92fae48f6a753e23756e81bc20d4e9ab0ef8ca2c4c1719e5b521bcfe6
MD5 hash:
7b42e6fe0c33a4479d04426e14ce41c5
SHA1 hash:
0ef906c70ecfd6b3b50fa9d7e4824a6bfc12de22
SH256 hash:
3e923e7f2482711f12f18d0e06df54060c00f627e10a3b281d03c56cb3e575f1
MD5 hash:
93e8b70a625ccf6970a6423bb140ec49
SHA1 hash:
42d87185590782aec7969f4621d153a3b9d14465
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
532b11c8087cc519a9ad47e7d9f1129467911478a1ef182b4187584aa011d29d
MD5 hash:
ccee1396e554934bc68432550a9d5470
SHA1 hash:
89301cec622009659e5913b0406de46cf0e873de
Detections:
FormBook win_formbook_w0 win_formbook_g0 win_formbook_auto Windows_Trojan_Formbook Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 4023f16ab570c96bbfc7d6c9685d137382c82029c15df71696acdc20023dd31b

(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 (HIGH_ENTROPY_VA)high

Comments