MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736. 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: 21


Intelligence 21 IOCs YARA 5 File information Comments
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SHA256 hash: c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736
SHA3-384 hash: 70e89e44f568dc73fe86eade842ff29e723f38a291a1e75e18737b4f2369c68e671c845919554250b359fd7069bcb127
SHA1 hash: afd49e86c5aad4e74185b0546ec7a688fddfcd4c
MD5 hash: cc7dd70193068ef8be7dc75f6cebe96d
humanhash: mike-thirteen-muppet-wyoming
File name:DRC091125-03 New order_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:775'168 bytes
First seen:2025-09-12 07:15:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3/mOiZlUKqOZQ8l7Gz170GOgCeLcSPOBRdb/iqyeqt9g7zmWlN37nnZSGTLx9rOG:vy7RQ4Gzx0GO+c5BPiqyZ3g3
Threatray 10 similar samples on MalwareBazaar
TLSH T1BBF4BEAC3210B59EC453CE728974DD74AA207DAA970BC20395D71E9FB81DA96DF102F3
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
DRC091125-03 New order_pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-09-12 07:18:28 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/d18470a1-12cf-4ca0-b20f-00837c14b4d7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27062/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c3c8d76e66ba602d7ad484
Tags:
underscore extens spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Сreating synchronization primitives
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/68c3c8d9dbc6f5a29c4173fc/reports/ae1ed67f-c902-4a39-a88c-5e9c341292ac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-12T04:04:00Z UTC
Last seen:
2025-09-12T04:04:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce9f62e6-cb0a-4e96-b38c-0740545aad3b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1776185
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776185 Sample: DRC091125-03 New order_pdf.exe Startdate: 12/09/2025 Architecture: WINDOWS Score: 100 35 www.s667788.xyz 2->35 37 www.ockscrm.xyz 2->37 39 8 other IPs or domains 2->39 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 51 15 other signatures 2->51 11 DRC091125-03 New order_pdf.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 37->49 process4 file5 33 C:\...\DRC091125-03 New order_pdf.exe.log, ASCII 11->33 dropped 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 15 DRC091125-03 New order_pdf.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 96 1 15->20 injected 75 Loading BitLocker PowerShell Module 18->75 24 conhost.exe 18->24         started        process9 dnsIp10 41 www.c4589.top 54.179.179.216, 49693, 80 AMAZON-02US United States 20->41 53 System process connects to network (likely due to code injection or exploit) 20->53 26 wscript.exe 20->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 61 Switches to a custom stack to bypass stack traces 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736
Gathering data
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Suspicious
First seen:
2025-09-12 06:59:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yl3fkidhtkm26ajpxg5g2lvldpvzv6o6pvnmykfkgtea6g2jy43a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
212151a618e9234e1c746f364ae9f98f12a2198c0ac9c4b3058d056541163240
Formbook
3f56b75e0a22acce7e85ba3b5e24ba8ccdfc573929376671a0ababd8a5db6686
Formbook
41eaa4d9ca00fdef1f8ac2b02ffbb0498b8ed8565916247c20b4a41beaa102a8
Formbook
4f897b135d89fd4fae9653b4ee0e7ac959c478cc12734ec5fe887d6ac92680cc
Formbook
617bf6800d42409a74ae0539d3e3ffc412e6c4bb137c232159c3ca946bc0fcdd
Formbook
89369898ebf3b91a1f28cecd38382b3f47d32e0cbde22543b1ece74c25c03eef
Formbook
94976e161177276c6c1f03697f87bbbda781fedb937342a311728f51a3bce501
Formbook
b456996591120e1dddad01bcd6651f37ee3a30644d7ef77c3e41c21189615404
Formbook
c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736
Formbook
d7c64324b4f2b0aeccd0c12346788a52852bb31199174ec6f699a4f0dc4fee8a
Formbook
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fa27 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250912-h34nlabk4x/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1809ab3f-aac6-48ba-acac-b0dbbfe56fc2
Unpacked files
SH256 hash:
c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736
MD5 hash:
cc7dd70193068ef8be7dc75f6cebe96d
SHA1 hash:
afd49e86c5aad4e74185b0546ec7a688fddfcd4c
Link:
https://www.unpac.me/results/8ca95953-cc18-4b08-8976-125eef22fee4/
SH256 hash:
d231da1c8b1b87de7f96d1b14a9857af39721febede642364fae05843a64926b
MD5 hash:
9ade734080d8bfc46d7ca6d7ba7d8723
SHA1 hash:
49bbaa6a889a641bc31a25f63782a8aeb840e420
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8ca95953-cc18-4b08-8976-125eef22fee4/
SH256 hash:
12dda0cd3b378fbced3071df357733426bb09e47c31fcc3ba6273650f67895dc
MD5 hash:
773c55854eb467033abb78bc2b667f80
SHA1 hash:
54bfd694185cd257abb4ee6b477dba12b971b9b9
Link:
https://www.unpac.me/results/8ca95953-cc18-4b08-8976-125eef22fee4/
SH256 hash:
229354a837745aab79c01f7c3c35f0596a637a8e53e5b42903742fb8a937706b
MD5 hash:
0c9a941bfd588e8e56a9230691d9e3b3
SHA1 hash:
bad91e41b88a43ebfe62208fc6d2555a7ff972df
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/8ca95953-cc18-4b08-8976-125eef22fee4/
Parent samples :
212151a618e9234e1c746f364ae9f98f12a2198c0ac9c4b3058d056541163240
94976e161177276c6c1f03697f87bbbda781fedb937342a311728f51a3bce501
64b46245757a9181c081dfd7d31c504f3d74659d1c72bb01a21697032ab1b702
4f897b135d89fd4fae9653b4ee0e7ac959c478cc12734ec5fe887d6ac92680cc
c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736
1f9e0b93f46f8d3a082b8504b723df366b34fe38c093dbf910660a259ee1761d
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c2f65520679a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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 c2f65520679a99af012fb9ba6d2eab1beb9af9de7d5acc28aa34c80f1b49c736

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27062/

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