MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8. 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 5 File information Comments
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SHA256 hash: f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
SHA3-384 hash: cedba978bb8ff5d9933d62c4fe10e8f2d8f9a3617302b06d6e368cd4c831446a87a747ba4ce0eeef9fd77c288e5c4316
SHA1 hash: 8734f0b46d14f1af7b78d216ec4c120d87b8a636
MD5 hash: 6d137688fd296841b3f9e6b5df57a0fe
humanhash: march-eleven-william-eleven
File name:f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
Download: download sample
Signature Formbook
Create hunting rule
File size:709'120 bytes
First seen:2025-01-10 14:31:32 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:fRwEIR4R52J+XtCKSX0YxwIPYRPXrmoEDK1vzXYlznMriukrrZIR:fRwEIeevKA0KwIPYd7mopslBI
TLSH T1AAE4E19C3901F18FC447C5354E61EDB8AA643DAA9707931396E72EEFF81E996CE040D2
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 e44ad8ccc8a4a0c0 (22 x Formbook, 4 x RemcosRAT, 3 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
Verdict:
No threats detected
Analysis date:
2024-12-03 14:03:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/67178cf5-40e0-4372-a281-1c7800f0f4e5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Ratx-10038422-0
Create hunting rule

Win.Packed.Ratx-10038456-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67812f8b1e9cdec7dbbb7510
Tags:
virus shell msil
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
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67812f7c493c50f7a0f1dc2e/reports/d7222531-8030-425b-9a4f-8b63d88b4c3c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69311601-e463-421e-a104-4ca4c01b6855
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1588742
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Loading BitLocker PowerShell Module
Machine Learning detection for sample
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1588742 Sample: Rx9taljC4E.exe Startdate: 11/01/2025 Architecture: WINDOWS Score: 100 39 www.8080713.xyz 2->39 41 www.qzxx.top 2->41 43 4 other IPs or domains 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 53 8 other signatures 2->53 11 Rx9taljC4E.exe 4 2->11         started        signatures3 51 Performs DNS queries to domains with low reputation 39->51 process4 file5 37 C:\Users\user\AppData\...\Rx9taljC4E.exe.log, ASCII 11->37 dropped 55 Adds a directory exclusion to Windows Defender 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 61 Switches to a custom stack to bypass stack traces 11->61 15 Rx9taljC4E.exe 11->15         started        18 powershell.exe 23 11->18         started        20 Rx9taljC4E.exe 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 79 2 other signatures 15->79 24 explorer.exe 31 1 15->24 injected 77 Loading BitLocker PowerShell Module 18->77 26 conhost.exe 18->26         started        28 WmiPrvSE.exe 18->28         started        process9 process10 30 svchost.exe 24->30         started        signatures11 63 Modifies the context of a thread in another process (thread injection) 30->63 65 Maps a DLL or memory area into another process 30->65 67 Tries to detect virtualization through RDTSC time measurements 30->67 69 Switches to a custom stack to bypass stack traces 30->69 33 cmd.exe 1 30->33         started        process12 process13 35 conhost.exe 33->35         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 10:16:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=634ot4twuqsgavpdxxcgvujhn32fhs7w23uk77thcj7kacm35tua._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bc01 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250110-rwaxdayqgq/
Behaviour
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
Win.Packed.Ratx-10038422-0
YARA:
n/a
Link:
https://app.threat.zone/submission/b845967e-1659-4f26-a5ff-a37234c2b353
Unpacked files
SH256 hash:
07864a36094fdb51d595bc3e42bce8429054de6c820f8c9dcfe1820c0fd1f8ff
MD5 hash:
d3b47fb3dd8b1c832901282b2d95a83b
SHA1 hash:
84d0afe2d8b7efd5f06eab1ac26d2bc9e25f9c38
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/c63a72b0-a167-494e-998d-52ba972387a9/
Parent samples :
18911c12980ff90d3ca5b456a41ba93f6e63d14efa8763ee354c3684e0632795
55a8d72b696099f7b5803eafc1afd27432754f3c0c90bbdac46a6e964e5818f4
883b2afba671ff4851527b315260a4415a111c013811fec1822dcae4076628e5
8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e
c76f4cc201813bc9e4a8d5ae27ce0c59b799f02dd48b3e09af20118a8fe18c50
23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e
94f858ec5529f4f52ae1bed542d9a38b2ab7e4be0446c4d9252f0de3d7cf2dce
e7fc9e51d81f4b40dca80a3d83ca54a03120566b6dd6f76e0299546ac178f633
c240de1c470b2ba22b8628de9a10b7d81e9f453eb94a46a9d0875f7f1705409c
090ae9dc91f1165ca92841d7e3485580caa257c2848fed356d78c86e3d72f50b
ec40bd9352347399d79a1393ee4478d945b81a0c5555a8d30bf043afb1e70e93
64a8f5c2209bf86e1aa4489fffa5cf93aee6955b0106909345a313de38ad7885
83e5cd1ba8c1485400c9faa0295df97768515bb2161114790dd6a3d8cbb05c4a
8c3b7bab6d9c32f813aa49cc65578049f516dd8607f6b2b43fd1e696d5b86988
f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
bf7e2c77f1159e34afbead32a16fbff023b6467104ff0220c81f607a2910880e
ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7
6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73
676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
010fc4f0e382f0c0de55b3fcf4b80f6284694833af9d759c584b63a7d540cf2f
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/c63a72b0-a167-494e-998d-52ba972387a9/
SH256 hash:
0a7d5d9aeac5e00008b1a2231e4f352b14f7c23749fda795555b672be2711c00
MD5 hash:
1f39d3ca79aec7a1ce6b3fdd6c522f7e
SHA1 hash:
1293f86b5fb3800c72f987f5a3f9bb5b6c53de82
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/c63a72b0-a167-494e-998d-52ba972387a9/
SH256 hash:
f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
MD5 hash:
6d137688fd296841b3f9e6b5df57a0fe
SHA1 hash:
8734f0b46d14f1af7b78d216ec4c120d87b8a636
Link:
https://www.unpac.me/results/c63a72b0-a167-494e-998d-52ba972387a9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f6f8e9f276a4/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/f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8

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:NETexecutableMicrosoft
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

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