MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b475b8978e80b7cfc97d95df7e5c7b51efd86ec23d5257ec0c5aa40df7abf30a. 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: 9


Intelligence 9 IOCs YARA File information Comments
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SHA256 hash: b475b8978e80b7cfc97d95df7e5c7b51efd86ec23d5257ec0c5aa40df7abf30a
SHA3-384 hash: b3a737318ec785102543127aa00f1489c15fc2a396d10c76099f04f87b3a433a300391502d960cb8a7f873d2a4dd3559
SHA1 hash: dc0a94947dd9ffa8f928ce0e3098965f365410d9
MD5 hash: 1562becba4f926150ced8f08a42c9111
humanhash: neptune-winner-freddie-harry
File name:jEgLNI40Ro9O775.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'340'416 bytes
First seen:2020-12-17 07:48:32 UTC
Last seen:2020-12-17 10:29:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:6YDs9sUmrvWy2Ma820LivOY1ycU2Sb4mVCjnZCqsj0msb/0QrT38Ry8uQIQR4y8x:6YDs9sRrvn2Ma820LivOvcU2S0m0jnUy
Threatray 3'177 similar samples on MalwareBazaar
TLSH EE558E1477AD6708F1B2AB7AC6D46495C6FEF923A715D82E2CD022CE0272FC8C951727
Reporter ffforward
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
jEgLNI40Ro9O775.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 07:50:39 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/66d5b6d8-3c67-4552-8f9f-6dfb82ed155f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tc.12745.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565054
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 331613 Sample: jEgLNI40Ro9O775.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 33 www.wshp.icu 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AntiVM_3 2->45 47 4 other signatures 2->47 11 jEgLNI40Ro9O775.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\jEgLNI40Ro9O775.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 jEgLNI40Ro9O775.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 copytradebrasil.com 192.185.213.159, 49765, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 cheeserstudio.com 81.169.145.95, 49763, 49776, 80 STRATOSTRATOAGDE Germany 18->37 39 26 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 svchost.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b475b8978e80b7cfc97d95df7e5c7b51efd86ec23d5257ec0c5aa40df7abf30a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 07:46:44 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
+ 3'167 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/201217-gt5nn9e562/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.saindustrialhemp.com/e66m/
Unpacked files
SH256 hash:
b475b8978e80b7cfc97d95df7e5c7b51efd86ec23d5257ec0c5aa40df7abf30a
MD5 hash:
1562becba4f926150ced8f08a42c9111
SHA1 hash:
dc0a94947dd9ffa8f928ce0e3098965f365410d9
Link:
https://www.unpac.me/results/6d950e51-b7fb-46fc-ae52-71f47c3cdc7d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b475b8978e80b7cfc97d95df7e5c7b51efd86ec23d5257ec0c5aa40df7abf30a

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Excel file xlsx dd6a5782cb05511209d6848f75652c9c9e2a41fdc75bc074141b3511484231ed

Formbook

Executable exe b475b8978e80b7cfc97d95df7e5c7b51efd86ec23d5257ec0c5aa40df7abf30a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/924929/
  
Dropped by
SHA256 dd6a5782cb05511209d6848f75652c9c9e2a41fdc75bc074141b3511484231ed
  
Delivery method
Distributed via web download

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