MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2
SHA3-384 hash: 7bb2f348b73c3380062c4c3af114d22ceb0299b2111fb30299ba51479b880cf85b30604bb10fbdb768cb4daaca9cc71c
SHA1 hash: 43bcabbfaffce6dfb7c5ec763f11ea85d8876dad
MD5 hash: 03206cea63667d5f8e8861f554720473
humanhash: batman-shade-quebec-uniform
File name:Carta de pago.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:365'568 bytes
First seen:2021-01-16 07:33:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 375074facb4538d8601767b5ab845277 (2 x AgentTesla, 2 x RemcosRAT, 2 x Formbook)
ssdeep 6144:DxNFYoqeHQPJ3GERo95/shp8wPWFVm04N0dVok:tNFYHeiRg/s78wPWS/0dVok
Threatray 3'472 similar samples on MalwareBazaar
TLSH B3741803A82C89B2EF38A33E41050DC991F51C9C16D9B22A57B9BD3DD97D4225D1FE2E
Reporter abuse_ch
Tags:CHL exe FormBook geo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.litos.net
Sending IP: 86.109.108.50
From: Banco de Chile <notices@bancochile.cl>
Subject: Notificacion de pago
Attachment: Carta de pago.iso (contains "Carta de pago.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
366
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Carta de pago.exe
Verdict:
Malicious activity
Analysis date:
2021-01-16 07:44:57 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/93862030-dade-4dbd-825e-29d877935e95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112305/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop16.9685.23053.9345.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582963
Signature
Antivirus / Scanner detection for submitted sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340520 Sample: Carta de pago.exe Startdate: 16/01/2021 Architecture: WINDOWS Score: 100 34 www.youremsys.com 2->34 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 4 other signatures 2->48 11 Carta de pago.exe 1 2->11         started        signatures3 process4 signatures5 52 Maps a DLL or memory area into another process 11->52 14 Carta de pago.exe 11->14         started        17 conhost.exe 11->17         started        19 cmd.exe 1 11->19         started        21 cmd.exe 1 11->21         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 23 explorer.exe 14->23 injected process8 dnsIp9 36 droppstagw.dynu.net 88.129.37.7, 49732, 49755, 80 SE-A3httpwwwa3seSE Sweden 23->36 38 www.masdimensiones.com 156.250.194.212, 49733, 49756, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 23->38 40 22 other IPs or domains 23->40 50 System process connects to network (likely due to code injection or exploit) 23->50 27 explorer.exe 23->27         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 27->54 56 Maps a DLL or memory area into another process 27->56 58 Tries to detect virtualization through RDTSC time measurements 27->58 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-01-16 03:55:14 UTC
AV detection:
20 of 46 (43.48%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yfpw7kvud2seogoxswmvyficjwyhdh5fzgttceifq7we4hqed7ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
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Formbook
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Formbook
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Formbook
b9e89d7766f894c102cd449dace5e9c1ef8f3cdca070af5f6ce22a7737eb593a
Formbook
c826a0b0506ddc4d93aba9f41ed795a88cca8bdb8c54f4af5d8dbdf9767e9ad3
Formbook
+ 3'462 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/210116-dx1t7gf7rs/
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 WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.smallcoloradoweddings.com/kio8/
Unpacked files
SH256 hash:
c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2
MD5 hash:
03206cea63667d5f8e8861f554720473
SHA1 hash:
43bcabbfaffce6dfb7c5ec763f11ea85d8876dad
Link:
https://www.unpac.me/results/74797776-0ffb-468e-bb17-82460f7c8f7f/
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/c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2

File information

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

Malspam

Formbook

iso affaec3e32d0244aaf424180de568e23d03da3eb6c43dcb0b82b4e5185731abc

Formbook

Executable exe c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2

(this sample)

  
Dropped by
MD5 9a4da2f3284b0179325ab5c1aab91db7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112305/
  
Dropped by
SHA256 affaec3e32d0244aaf424180de568e23d03da3eb6c43dcb0b82b4e5185731abc

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