MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a
SHA3-384 hash: 9462bae2dcec76856656f4043315e1fa8305513375474524f4fe2fb617663988f6105993c0e4211f2b76197a825c0b57
SHA1 hash: ba63cf407a91f0b716daf1a82ddb7c043158bc23
MD5 hash: 5e9ae3b9f8d62a2f6699457979fc1cd4
humanhash: south-double-purple-east
File name:PO NO 28950.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:756'224 bytes
First seen:2025-03-13 07:58:55 UTC
Last seen:2025-03-17 12:01:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7xk1tyTu/HjUupelCQ+289VqHc5XfKxGm70ajcS/qaBrnuiuUK2P8JsGdoRapCGR:7a1FAdl0289VMctfO7DqeDuE8yGdoRaz
Threatray 36 similar samples on MalwareBazaar
TLSH T113F4124C7F69B761CA4E1BB2D4232208D5F64492E13AF29B0DD518F30E39BD8851FA67
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 Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
589
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO NO 28950.exe
Verdict:
No threats detected
Analysis date:
2025-03-13 08:54:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/39b92818-41b9-4602-a762-79c1f570b704

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d29a0d08116ce42570b73e
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67d29053e95d0f9029e8a641/reports/35f0a26c-441b-4455-a7bb-b3a4fdaa09ef/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5798a67-308e-4d36-81f5-a68c73c781ef
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1636909
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1636909 Sample: PO NO 28950.exe Startdate: 13/03/2025 Architecture: WINDOWS Score: 100 31 www.tether1.xyz 2->31 33 www.bawiin.xyz 2->33 35 15 other IPs or domains 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Antivirus detection for URL or domain 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 53 6 other signatures 2->53 10 PO NO 28950.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 33->51 process4 file5 29 C:\Users\user\AppData\...\PO NO 28950.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 PO NO 28950.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 cFI6x3mkQA68O3qzJqn.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 dxdiag.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 cFI6x3mkQA68O3qzJqn.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.10134.app 107.148.6.145, 49748, 49749, 49750 PEGTECHINCUS United States 23->37 39 www.thriay.website 209.74.77.230, 49740, 49741, 49742 MULTIBAND-NEWHOPEUS United States 23->39 41 5 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-03-12 04:12:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zvfzrxr5vtyg4quvso74bghzn7m5ap5jy2uv4gvvu72ksoye2kna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
03723f94dee063bbbcd8fe02e71ad5459805f10429b39956c5d7e05ab3068b7e
Formbook
1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14
Formbook
26448f1e910a4e7de44f7fd93fe2cc5850d915d120fe9a6a4c9a3c2f63bc83f3
Formbook
730dcaa50239c82c3d920f812bcad23a638a09c783479097291f8a6d9bca07a7
Formbook
cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a
Formbook
error
Formbook
f54d38c602d64dc36e00201f688132f39ef2b4cd94a1511cad05c2fd8ded6475
Formbook
+ 26 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250313-jve6ps1ps6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1f6256cf-8917-4538-89af-0f4333a95793
Unpacked files
SH256 hash:
cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a
MD5 hash:
5e9ae3b9f8d62a2f6699457979fc1cd4
SHA1 hash:
ba63cf407a91f0b716daf1a82ddb7c043158bc23
Link:
https://www.unpac.me/results/78dbe130-e630-4565-ba50-a15c117ab0f0/
SH256 hash:
331efd1a967e23846db7d1990899b7e323091dff0dea2a3db8d8765bc70cd1ca
MD5 hash:
e843654cf9a886538bcc7f3d463ada36
SHA1 hash:
04e5dc752e7f90a83a0088a8ef6735a527a997f0
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/78dbe130-e630-4565-ba50-a15c117ab0f0/
SH256 hash:
094a2002272a6a5c1a719550f4ce12f25f397689796f090ad26991cf60698c46
MD5 hash:
a92790e0ffd6d83c3e036197e9eb7092
SHA1 hash:
192c8ab285101b240de22931e4fc96907f134c99
Link:
https://www.unpac.me/results/78dbe130-e630-4565-ba50-a15c117ab0f0/
SH256 hash:
de2eff57c8d958bd4fdc470ac699c850c263a59938672cb709408ced14084016
MD5 hash:
98ad7aed7271d8f65d9374b6003fc651
SHA1 hash:
d811708e0571f0c34c50e9b8f742c392c2ff51f7
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/78dbe130-e630-4565-ba50-a15c117ab0f0/
SH256 hash:
1e4d0ed84b35e02cf442980fd28c50dc574ba9bfda076da52f0ce4ba2fd72c59
MD5 hash:
81dbc07d54b42fc3ac4c937949a53c0f
SHA1 hash:
b68339569710c114a7036603ccfa95fffbb4b04a
Link:
https://www.unpac.me/results/78dbe130-e630-4565-ba50-a15c117ab0f0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd4b98de3dac/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/cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a

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
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.

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