MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16fd6d298d5601766ee8fd0e0164898436f9cad9ac79927a14af387166aac100. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments

SHA256 hash: 16fd6d298d5601766ee8fd0e0164898436f9cad9ac79927a14af387166aac100
SHA3-384 hash: dba10bb79a86a78e65dbef1da222b358ea3a519f735b216c46f16ce46d7fdf23fb556548db1a70dbbf2579d0b41e2a4b
SHA1 hash: 93cc3d5ec9b1052e68185c42f22fe7bd55b055db
MD5 hash: 485d4375ab8e346f7889e737df009764
humanhash: alaska-butter-triple-zulu
File name:TEKLIF_0324.exe
Download: download sample
Signature Formbook
File size:646'656 bytes
First seen:2025-03-25 06:33:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:wyjvOn6nzxBZY8ZdLFgxfNH1aae0W8oUYrYB9QdTa7UL:Zj2n6n3qId5CaaeqoUTTQ5aQL
TLSH T172D401A89615D617D99A13B10E72F6B423B91EDEA801D306CFDDBEEF7976E004D00293
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
435
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
16fd6d298d5601766ee8fd0e0164898436f9cad9ac79927a14af387166aac100.exe
Verdict:
No threats detected
Analysis date:
2025-03-26 04:01:39 UTC
Tags:
n/a

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

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Result
Verdict:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1647714 Sample: TEKLIF_0324.exe Startdate: 25/03/2025 Architecture: WINDOWS Score: 100 39 www.ohnmcafee.xyz 2->39 41 www.eleghegl.xyz 2->41 43 9 other IPs or domains 2->43 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 67 7 other signatures 2->67 11 TEKLIF_0324.exe 4 2->11         started        15 svchost.exe 1 1 2->15         started        signatures3 65 Performs DNS queries to domains with low reputation 41->65 process4 dnsIp5 37 C:\Users\user\AppData\...\TEKLIF_0324.exe.log, ASCII 11->37 dropped 69 Adds a directory exclusion to Windows Defender 11->69 71 Tries to detect virtualization through RDTSC time measurements 11->71 73 Switches to a custom stack to bypass stack traces 11->73 18 TEKLIF_0324.exe 11->18         started        21 powershell.exe 23 11->21         started        47 127.0.0.1 unknown unknown 15->47 file6 signatures7 process8 signatures9 49 Modifies the context of a thread in another process (thread injection) 18->49 51 Maps a DLL or memory area into another process 18->51 53 Sample uses process hollowing technique 18->53 57 2 other signatures 18->57 23 explorer.exe 48 4 18->23 injected 55 Loading BitLocker PowerShell Module 21->55 26 WmiPrvSE.exe 21->26         started        28 conhost.exe 21->28         started        process10 dnsIp11 45 204.79.197.203, 443 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->45 30 msiexec.exe 23->30         started        process12 signatures13 75 Modifies the context of a thread in another process (thread injection) 30->75 77 Maps a DLL or memory area into another process 30->77 79 Switches to a custom stack to bypass stack traces 30->79 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2025-03-24 18:20:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bs03 discovery execution rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies registry class
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:
16fd6d298d5601766ee8fd0e0164898436f9cad9ac79927a14af387166aac100
MD5 hash:
485d4375ab8e346f7889e737df009764
SHA1 hash:
93cc3d5ec9b1052e68185c42f22fe7bd55b055db
SH256 hash:
cf68f822581c977624b554e9669f1dacd3ea27da419ce7d922c4fd7159a37655
MD5 hash:
ef21daeeb39441e28b0cc86cc0e23235
SHA1 hash:
1297757d3382f98c8d391ee50d0dd892ab4f4440
SH256 hash:
21c15bd8d9b293afb90561d4271630787fba73bdd5a0119379dde4ea97ac9e23
MD5 hash:
666807de1637d01b66a387b6a2c5c35e
SHA1 hash:
d6a798b882a34d565ba164d2bb5a033363d74139
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
532b11c8087cc519a9ad47e7d9f1129467911478a1ef182b4187584aa011d29d
MD5 hash:
ccee1396e554934bc68432550a9d5470
SHA1 hash:
89301cec622009659e5913b0406de46cf0e873de
Detections:
win_formbook_auto win_formbook_w0 win_formbook_g0 FormBook 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.

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

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