MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: 6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a
SHA3-384 hash: d85da871fbc15efaa30c24e3b2d542821ab5f47980adea31fecdf14f6e37d489642663562de7bb23a09d56786fad253e
SHA1 hash: 1106ff36fe0aa76ec385621c78c67d1e022f0ab1
MD5 hash: 76f39576733999c9850c86acdd8f73d5
humanhash: floor-ten-finch-moon
File name:FX6nkep9GCEHbmb.exe
Download: download sample
Signature Formbook
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File size:673'792 bytes
First seen:2024-06-11 19:18:50 UTC
Last seen:2024-06-11 20:32:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AX0px+V36Di8BtL5KuuPuTLkvt3jekIIaeUx2/xfGcJj:SBFKfyPuTiJj+IaeQPc1
TLSH T1E1E42300334CB60DD5FF9B729832535413BB31A264D9CB2C9E9914DA3AA7B581A73F1B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon ccc8a8cc30e06030 (10 x AgentTesla, 9 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a.exe
Verdict:
Suspicious activity
Analysis date:
2024-06-11 20:29:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/047e8fda-80fc-44dd-b79d-54510fa2d07a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2548.25036.1852.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6668a3e2a439c6d6b08781f4win7simulatehigh_evasion
Tags:
Generic Network Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6668a32c431e0065139d531a/reports/35281820-cb56-4f7f-94e1-347f015c36f6/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53cee6a2-f494-4407-952e-ba05cd553ab3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455501
Signature
.NET source code contains potential unpacker
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
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)
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
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455501 Sample: FX6nkep9GCEHbmb.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 30 www.jurj.xyz 2->30 32 www.top99bet4d.site 2->32 34 17 other IPs or domains 2->34 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 7 other signatures 2->50 11 FX6nkep9GCEHbmb.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 file5 28 C:\Users\user\...\FX6nkep9GCEHbmb.exe.log, ASCII 11->28 dropped 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 64 Switches to a custom stack to bypass stack traces 11->64 15 FX6nkep9GCEHbmb.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 2 other signatures 15->72 18 explorer.exe 66 1 15->18 injected process9 dnsIp10 36 satyainfra.com 216.10.253.161, 49714, 80 PUBLIC-DOMAIN-REGISTRYUS India 18->36 38 sedoparking.com 64.190.63.136, 49721, 80 NBS11696US United States 18->38 40 6 other IPs or domains 18->40 21 svchost.exe 18->21         started        process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 58 Switches to a custom stack to bypass stack traces 21->58 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-06-11 19:19:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mfkrjdcoadeggwp5btl55eb62vrr42hc2ykiz7girsiu4twwtifa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:cr12 rat spyware stealer trojan
Link:
https://tria.ge/reports/240611-x1hqnsyang/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e9e6258c-ed4b-413c-ae73-90910fa94978
Unpacked files
SH256 hash:
5354bc116f24a240380a1dd62ae528694ea44a96857ccdefe4bc98eea1c61067
MD5 hash:
89e349ef025a380916b91e997abe2487
SHA1 hash:
ad6eab55054ea27a970f6a075118665f10ea09bb
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/bd113b72-26e6-4921-9838-22c8b75b5cf8/
Parent samples :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 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/bd113b72-26e6-4921-9838-22c8b75b5cf8/
SH256 hash:
31cdc95daa009a86d22a7a6827cba20375932078fbaae79de41abbc6e7afa885
MD5 hash:
2bd759000d96d3704fce0bebde53eb54
SHA1 hash:
7f127887be073c0db2d390aca0ffde1028d8a7e3
Link:
https://www.unpac.me/results/bd113b72-26e6-4921-9838-22c8b75b5cf8/
SH256 hash:
6243c709db7165f4a84036c0544b462ee9539412c61de6151a6aa18465659e48
MD5 hash:
5166d8930d5a1bf5a1738cc180587975
SHA1 hash:
4316633ea531432ff67776d1e59dcf8481a7cbbc
Link:
https://www.unpac.me/results/bd113b72-26e6-4921-9838-22c8b75b5cf8/
SH256 hash:
6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a
MD5 hash:
76f39576733999c9850c86acdd8f73d5
SHA1 hash:
1106ff36fe0aa76ec385621c78c67d1e022f0ab1
Link:
https://www.unpac.me/results/bd113b72-26e6-4921-9838-22c8b75b5cf8/
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/6155148c4e00c86359fd0cd7de903ed5631e68e2d6148cfcc88c914e4ed69a0a

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
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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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