MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: 676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
SHA3-384 hash: 4a5ba27331e12e1d9155850705cbc969e0da1b2da504b1814dd5d840a73f29253bc4c8398e7af990fe4d2e479e34d851
SHA1 hash: e9e69b71db06550b281b2b794c805cea96affeeb
MD5 hash: 24ce2f86b3f6976ac1da7ddd0b38fda0
humanhash: eight-beryllium-connecticut-september
File name:676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
Download: download sample
Signature Formbook
Create hunting rule
File size:821'248 bytes
First seen:2025-02-07 14:25:34 UTC
Last seen:2025-02-07 15:42:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:MzSggsibzj2aB/Eh1C0eBdUUnm1iFUsdMbLBU:Mz0V9Eh1ABGUnm8FfdsLBU
TLSH T16705AEC13FA4AB09CE3E7534A495CC7553B12A28B465F7E6A6D8B753368C3118E0DF0A
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 :
2
# of downloads :
419
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
Verdict:
Suspicious activity
Analysis date:
2025-02-07 17:33:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/165ef5f6-97f9-4d47-baa6-cac4e287890c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.48709.26935.28765.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a61a2fab8a2d1c6bcd87fc
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
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/779e0751-936f-47df-b64a-4215b95f433e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609555
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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
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: 1609555 Sample: RLrPxMQqI6.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 39 www.lussalesapp.website 2->39 41 www.ltraman.pro 2->41 43 3 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 51 9 other signatures 2->51 11 RLrPxMQqI6.exe 4 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\RLrPxMQqI6.exe.log, ASCII 11->37 dropped 53 Adds a directory exclusion to Windows Defender 11->53 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 59 Switches to a custom stack to bypass stack traces 11->59 15 RLrPxMQqI6.exe 11->15         started        18 powershell.exe 23 11->18         started        20 RLrPxMQqI6.exe 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 77 2 other signatures 15->77 22 explorer.exe 33 1 15->22 injected 75 Loading BitLocker PowerShell Module 18->75 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        process9 process10 28 control.exe 22->28         started        31 autochk.exe 22->31         started        signatures11 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65 67 Switches to a custom stack to bypass stack traces 28->67 33 cmd.exe 1 28->33         started        process12 process13 35 conhost.exe 33->35         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-01-29 13:08:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m5ssr2je37tolyiz6m5mlz7i5zlgd6drowpewmvme6ykdusd4muq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
captiveaaloader
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
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/250207-rrkwsavqhp/
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:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dbdcdcd4-8d6c-47ce-bbe9-2af032dbd7a0
Unpacked files
SH256 hash:
676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
MD5 hash:
24ce2f86b3f6976ac1da7ddd0b38fda0
SHA1 hash:
e9e69b71db06550b281b2b794c805cea96affeeb
Link:
https://www.unpac.me/results/6eb0cdb9-b0b4-4901-8a6c-f12995b484af/
SH256 hash:
ffb97d9798a95e8bf0762ef3261ec76c3d510e2e12fb1e53a433c184c02dbb10
MD5 hash:
0cfaf885e248d58f7b236e6efdf716d0
SHA1 hash:
b25d9f8855fc09d2aec9882e5d8605e28108eb43
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6eb0cdb9-b0b4-4901-8a6c-f12995b484af/
Parent samples :
cabc5d9c4521d4ed396a616015bc0ce4f0a23e287a7dfbbcff504b1235ac4aad
f0e65a838c01e4741493c605aab2232854d22a14d913374a2c61f083b35d7aa7
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b58a7d4bb391ebe2243a86ea92641445e98a4da3e51abf3d2c905fb8ac0dd9dd
19c81289b55d23365b8c4f7c6f951063b3aa05c10a4d8025dedd0893903fcb59
c95f3abb8db4e2a88ca3d533b42608b4d466d70e1e92fab9d234e6afb6ffe011
7fc8b3746ac1a4ce5a1b211f56034656c4017aef413aee72b0884ad5f0a94054
676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
60bfb47f60c7f0a6aa8185734c85849995f497117e38ba2c2e9fdeb1330b0cf1
12cb84b318ee85c5d7b4ec15d5f6fb2c26a43f93c68e98c6f40c2e2b17bcdf65
5dc75fc4ff5d018e6f56ed3f2676781e2ae1a341a878ee5ef36513376b75a310
0d6a9673eb3db83be393b8e85fceb372b5fbad79ce1c56bd92ea4b6b3166f657
cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd
0531f60ef00a3998d4932da7000a10630fae4b355cb81db091008f3899e039a8
0b9d81ffc7bd0ddeed01b5a0adc279cd4a79003ce9253fc7e096fcdc63ec371c
004de56c87ec09f1022747d6713c26328397dec1a683f76aa178a48da776c82c
543a5190118c546db54b03846c3927a4cefc69809b5854fdd0fecf1763dfed2f
ee6be21c96c562717375ac6d428d00777826ddd74a59b8a1559eb353950f5d93
5c7dfeaaab049b0c4a2b6fe06c7d6d8d54202ab9b5ba637b73faa01bccb5debc
0f5ddd1e5c66b90c7a37c276228ef498be1297d5cf3823afd72b0ad08b08987a
e0f397c466a112a3c04c99cdd5a1fbacd2131a90d520d5245f5d0a2336e53233
8032eec5f8978a6eb901f96583472cc3bef407b41a3357ec253b8204305b69b2
b9581e9af28f052e463acd6117271db974830bba5a7ba5825068596947e872bd
0fdc25f5430a61cd969c0bcb2e5ed6965d4eb4dc73374649eeaf5a6b77498d6d
SH256 hash:
66b3255d6c4aa592921e7d3fe6d0bdbef3c0af2b008e15c4a7de78ffc0aca2f5
MD5 hash:
e961122a57c90d4a359d227ce8fa39e0
SHA1 hash:
f96b138bc7aab4fe350f59b9ad441348ffd5659a
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/6eb0cdb9-b0b4-4901-8a6c-f12995b484af/
SH256 hash:
07864a36094fdb51d595bc3e42bce8429054de6c820f8c9dcfe1820c0fd1f8ff
MD5 hash:
d3b47fb3dd8b1c832901282b2d95a83b
SHA1 hash:
84d0afe2d8b7efd5f06eab1ac26d2bc9e25f9c38
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/6eb0cdb9-b0b4-4901-8a6c-f12995b484af/
Parent samples :
18911c12980ff90d3ca5b456a41ba93f6e63d14efa8763ee354c3684e0632795
55a8d72b696099f7b5803eafc1afd27432754f3c0c90bbdac46a6e964e5818f4
883b2afba671ff4851527b315260a4415a111c013811fec1822dcae4076628e5
8924d6255fe634004cc46de0a9ee6b4d7c44c1612947d747ebea2a6c06d2a37e
c76f4cc201813bc9e4a8d5ae27ce0c59b799f02dd48b3e09af20118a8fe18c50
23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e
94f858ec5529f4f52ae1bed542d9a38b2ab7e4be0446c4d9252f0de3d7cf2dce
e7fc9e51d81f4b40dca80a3d83ca54a03120566b6dd6f76e0299546ac178f633
c240de1c470b2ba22b8628de9a10b7d81e9f453eb94a46a9d0875f7f1705409c
090ae9dc91f1165ca92841d7e3485580caa257c2848fed356d78c86e3d72f50b
ec40bd9352347399d79a1393ee4478d945b81a0c5555a8d30bf043afb1e70e93
64a8f5c2209bf86e1aa4489fffa5cf93aee6955b0106909345a313de38ad7885
83e5cd1ba8c1485400c9faa0295df97768515bb2161114790dd6a3d8cbb05c4a
8c3b7bab6d9c32f813aa49cc65578049f516dd8607f6b2b43fd1e696d5b86988
f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
bf7e2c77f1159e34afbead32a16fbff023b6467104ff0220c81f607a2910880e
ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7
6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73
676528e924dfe6e5e119f33ac5e7e8ee5661f871759e4b32ac27b0a1d243e329
010fc4f0e382f0c0de55b3fcf4b80f6284694833af9d759c584b63a7d540cf2f
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: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

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