MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc. 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: 20


Intelligence 20 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc
SHA3-384 hash: 61cdb3322eec01993b6bdcd8af25f58193e43cbd5923ac57b0c9fa0637bdac0bb1db801f14cfd93b009b3c54e1cc1a76
SHA1 hash: a70fddd81c757bcc549c610a801f05744b430bac
MD5 hash: dd50a83bcf8d30a365e324a3c1460d12
humanhash: oregon-west-california-six
File name:OGg7f1705TWAnui.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:614'400 bytes
First seen:2025-03-10 11:05:28 UTC
Last seen:2025-03-17 12:01:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:vfqRmRxFGMt2Q3xn+Sl1tBGY/+p8di3GMU:6qxFGMt2QkO3BGY/Vi2MU
Threatray 4'783 similar samples on MalwareBazaar
TLSH T10AD40154BA1DEB32DEA547F00A31D27103B94F5EF421E3899DEAACEB3431F522554A83
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
360
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
OGg7f1705TWAnui.exe
Verdict:
Malicious activity
Analysis date:
2025-03-10 11:17:45 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/9614d68c-a635-464e-8c79-bfcab3f874ae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ceca570d1b39e3a208adbc
Tags:
shell virus spawn
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
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67cec7b43c5f644bd94b10e6/reports/a2ae2065-0da5-426c-8292-83b5559d7ed1/overview
Verdict:
Malicious
Labled as:
Genie8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc
Result
Verdict:
MALICIOUS
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71364d71-95ff-48f3-825e-cfc5c98a22e1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633510
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
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: 1633510 Sample: OGg7f1705TWAnui.exe Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 59 www.reenhive.energy 2->59 61 www.ourpetia.online 2->61 63 4 other IPs or domains 2->63 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for URL or domain 2->83 85 10 other signatures 2->85 11 OGg7f1705TWAnui.exe 7 2->11         started        15 TxTuERQAoJxC.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\TxTuERQAoJxC.exe, PE32 11->51 dropped 53 C:\Users\...\TxTuERQAoJxC.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmp84AD.tmp, XML 11->55 dropped 57 C:\Users\user\...\OGg7f1705TWAnui.exe.log, ASCII 11->57 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 11->95 97 Writes to foreign memory regions 11->97 99 Allocates memory in foreign processes 11->99 101 Adds a directory exclusion to Windows Defender 11->101 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        28 2 other processes 11->28 103 Antivirus detection for dropped file 15->103 105 Multi AV Scanner detection for dropped file 15->105 107 Injects a PE file into a foreign processes 15->107 24 RegSvcs.exe 15->24         started        26 schtasks.exe 15->26         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 30 explorer.exe 36 1 17->30 injected 73 Loading BitLocker PowerShell Module 20->73 32 conhost.exe 20->32         started        34 WmiPrvSE.exe 20->34         started        36 conhost.exe 22->36         started        75 Found direct / indirect Syscall (likely to bypass EDR) 24->75 38 conhost.exe 26->38         started        77 Tries to detect virtualization through RDTSC time measurements 28->77 40 conhost.exe 28->40         started        process9 process10 42 mstsc.exe 30->42         started        45 msdt.exe 30->45         started        signatures11 87 Modifies the context of a thread in another process (thread injection) 42->87 89 Maps a DLL or memory area into another process 42->89 91 Tries to detect virtualization through RDTSC time measurements 42->91 93 Switches to a custom stack to bypass stack traces 42->93 47 cmd.exe 42->47         started        process12 process13 49 conhost.exe 47->49         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 06:31:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pqsv4hnfai7cjwetfetmfpxzgnnccdvocsor4urwzewjwxej5g6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
2dbc649f56dbbc3bc0b958929fd993b6a0dc60513c9cf95c9e577bc71534031c
Formbook
54902efb04a961959a6ac354c9c54fa1cd59172ae5f713c3a0bfa30448217af3
Formbook
70f93b60537a4520135818ff850c19575d848f0024c1bf787fe25cbafcf4524d
Formbook
795af0703ab2ab7cfcfcc38449e7da1a20967be437e5877ee27da317b3991357
Formbook
7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc
Formbook
837b5c608ebc19191678d6cca32c6558e6ad3624015858ecc8c895766298a5b1
Formbook
cd7cd7f1cca233eab23d5fc8b50d0025dda42cefe89edecf38a6324eb3dd334b
Formbook
error
Formbook
+ 4'773 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:my18 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250310-m7janssvhx/
Behaviour
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
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
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e14ddce7-5c9d-43c2-be35-131f0b600d7a
Unpacked files
SH256 hash:
7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc
MD5 hash:
dd50a83bcf8d30a365e324a3c1460d12
SHA1 hash:
a70fddd81c757bcc549c610a801f05744b430bac
Link:
https://www.unpac.me/results/0594f2ba-3b4a-4381-8ce7-217cce50af8a/
SH256 hash:
1ae70e9920316346f39648486fe46b70ea00f90b9595cfc0a78958cee45b9224
MD5 hash:
f0884d03aca538d5f2b208d9aaf7874c
SHA1 hash:
132212e8a27c756ae62d926f6b62c91e226e768a
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/0594f2ba-3b4a-4381-8ce7-217cce50af8a/
Parent samples :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 hash:
27ed6e65df589033e825894e123cb7a7d4545abfad30a6bd01b428b77785b6bf
MD5 hash:
c2e55744501e646d336bcdd883dda75a
SHA1 hash:
fa57cfe53c830083e31a7fd4c700ccfe8e530812
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/0594f2ba-3b4a-4381-8ce7-217cce50af8a/
SH256 hash:
014af1eeb386d2d55905a3a9e582d070fb7fb04fd6167dfdcf5fe40ef4628035
MD5 hash:
fab7758d7c5b6317d1559d5c06aba0e0
SHA1 hash:
039e53c637bc55803e95e5cb8782120b61f93f0c
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/0594f2ba-3b4a-4381-8ce7-217cce50af8a/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c255e1da502/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/7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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

rar a5ce785b78a4aa25c4662fbf5261dcfe460af27854dd8183772fc8d01185e576

Formbook

Executable exe 7c255e1da5023e24d8932926c2bef9335a210eae149d1e5236c92c9b5c89e9bc

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a5ce785b78a4aa25c4662fbf5261dcfe460af27854dd8183772fc8d01185e576
  
Dropped by
MD5 f9ca62b6e65bdf61af3eee720417b6b9

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