MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b
SHA3-384 hash: 2eeabc8c17979adc69adccb476363906fd058e9a66186911a6120e7ffd0c1645c203dad925d788c11437d161c128856d
SHA1 hash: d07a7d4710f523f8697fdf6dc8650148004c9a10
MD5 hash: 68c7be45229321de31af819f33ba1345
humanhash: snake-potato-beer-butter
File name:RFQ_2025-01-21_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:817'672 bytes
First seen:2025-01-22 05:46:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:dkepQ1GOZgkwQ3GRcJXhkeXju0gqXDxBi:dlG+kw4GR0R7XjfTXV8
Threatray 2 similar samples on MalwareBazaar
TLSH T15405DFD03F367319DEA86931D259DDB992A11978B005BEF266DC7B9332CD251AE0CF01
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
File icon (PE):PE icon
dhash icon 0030b2b26969f000 (3 x Formbook, 3 x SnakeKeylogger, 1 x VIPKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
468
Origin country :
CH CH
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67908880e708b6e7a3af40e5
Tags:
underscore virus agent msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected phishing vbnet
Link:
https://www.filescan.io/uploads/67908656c448cf1f9394387f/reports/92e7006d-4fce-4cbd-80c6-008652be4709/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/47151d55-8eb5-4aa7-9a75-615a7e8b59e0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1596558
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for 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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1596558 Sample: RFQ_2025-01-21_pdf.exe Startdate: 22/01/2025 Architecture: WINDOWS Score: 100 59 www.qzsazi.info 2->59 67 Suricata IDS alerts for network traffic 2->67 69 Sigma detected: Scheduled temp file as task from temp location 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 7 other signatures 2->73 10 RFQ_2025-01-21_pdf.exe 7 2->10         started        14 XhYpEiIgqZGwEj.exe 5 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\XhYpEiIgqZGwEj.exe, PE32 10->51 dropped 53 C:\...\XhYpEiIgqZGwEj.exe:Zone.Identifier, ASCII 10->53 dropped 55 C:\Users\user\AppData\Local\...\tmp90D8.tmp, XML 10->55 dropped 57 C:\Users\user\...\RFQ_2025-01-21_pdf.exe.log, ASCII 10->57 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 10->83 85 Writes to foreign memory regions 10->85 87 Allocates memory in foreign processes 10->87 89 Adds a directory exclusion to Windows Defender 10->89 16 RegSvcs.exe 10->16         started        19 powershell.exe 23 10->19         started        21 powershell.exe 23 10->21         started        23 schtasks.exe 1 10->23         started        91 Multi AV Scanner detection for dropped file 14->91 93 Machine Learning detection for dropped file 14->93 95 Injects a PE file into a foreign processes 14->95 25 schtasks.exe 1 14->25         started        27 RegSvcs.exe 14->27         started        signatures6 process7 signatures8 63 Maps a DLL or memory area into another process 16->63 29 vEo2FPoq073ycajSnWmeA0.exe 16->29 injected 65 Loading BitLocker PowerShell Module 19->65 32 WmiPrvSE.exe 19->32         started        34 conhost.exe 19->34         started        36 conhost.exe 21->36         started        38 conhost.exe 23->38         started        40 conhost.exe 25->40         started        process9 signatures10 97 Found direct / indirect Syscall (likely to bypass EDR) 29->97 42 dvdplay.exe 29->42         started        process11 signatures12 75 Tries to steal Mail credentials (via file / registry access) 42->75 77 Tries to harvest and steal browser information (history, passwords, etc) 42->77 79 Modifies the context of a thread in another process (thread injection) 42->79 81 3 other signatures 42->81 45 vEo2FPoq073ycajSnWmeA0.exe 42->45 injected 49 firefox.exe 42->49         started        process13 dnsIp14 61 www.qzsazi.info 47.83.1.90, 49744, 80 VODANETInternationalIP-BackboneofVodafoneDE United States 45->61 99 Found direct / indirect Syscall (likely to bypass EDR) 45->99 signatures15
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-01-22 04:23:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=53nk6l64xjsxzep4ssywz56nvr3kctsrbq7x3fi5hmk3etpjknvq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
Similar samples:
441c8c73ea3f781774e9ee684d4d51127ec736c9fb6423fad0aea20695abd3c3
Formbook
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250122-ggvyws1mgs/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bba84f5f-f704-4bdc-afed-0e4246a2fbc5
Unpacked files
SH256 hash:
e1fad37516ccab2a32d91431ce962a8473fde96408ec7813a54b9ef77a5587b0
MD5 hash:
2d6eb8c275c9b426105e4b7ef4072c40
SHA1 hash:
f54b6aa51655762e2aab761e6317899c50e806c5
Link:
https://www.unpac.me/results/ab3e8d3d-59ff-4ac3-a657-4068a05804a3/
SH256 hash:
8082c12ea05c1a41d5a0cfb3dea4ad8515362a3b02423ca461a2c770d5fcbb53
MD5 hash:
ab50b698262d59ccc81af5ee52b99a6e
SHA1 hash:
a25af7069fed8605e991781dbaab560daee83a23
Link:
https://www.unpac.me/results/ab3e8d3d-59ff-4ac3-a657-4068a05804a3/
SH256 hash:
cdbba1f9aa12c085000bafdb0669ffc63670fbe2c7d0b7e6112304ae84e89bd4
MD5 hash:
14d9f12c96c53f46952d1475293ef237
SHA1 hash:
8aa5c252d9c420763e46ca295f51c3629d948bf8
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ab3e8d3d-59ff-4ac3-a657-4068a05804a3/
SH256 hash:
20e9a69b597edd25ef9e117bd633699436de7a98a76565c4046a75105beacb1d
MD5 hash:
c5c4e45911a9768306249ac843b9a0be
SHA1 hash:
29b38b128035ddbf691be362b00f9727baf2e6fc
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/ab3e8d3d-59ff-4ac3-a657-4068a05804a3/
SH256 hash:
eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b
MD5 hash:
68c7be45229321de31af819f33ba1345
SHA1 hash:
d07a7d4710f523f8697fdf6dc8650148004c9a10
Link:
https://www.unpac.me/results/ab3e8d3d-59ff-4ac3-a657-4068a05804a3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eedaaf2fdcba/report/overview.html
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 eedaaf2fdcba657c91fc94b16cf7cdac76a14e510c3f7d951d3b15b24de9536b

(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