MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
SHA3-384 hash: cb49dab21b3ed41a5cf51f048dd3e0e3f4bb030e6cb2c02acd57145881ded7552dbd0c252d3369aeb9b43a814524bd60
SHA1 hash: 304c9b23ad939b3baa4f06d49c7705b8d0fa8dc6
MD5 hash: 87abe4fdec140cc98b1ef54b8311960b
humanhash: washington-fruit-echo-finch
File name:SKM1200942Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:804'864 bytes
First seen:2020-10-12 06:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'240 x SnakeKeylogger)
ssdeep 12288:SMOLqh0P6ADQutFrTE02VVJDKNY1WXK3iOgjjG35SljlVYjt/MgIi8D6Z:eLMy6AbPE0eVANYYX6gj65SlBG8Dy
Threatray 2'396 similar samples on MalwareBazaar
TLSH 9505E06137E59F82E1BE8BF51624155043F63A1B396EF20C2DC629EF5AB4F818610F63
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: tele-grup.ro
Sending IP: 46.102.249.123
From: luminita@tele-grup.ro
Subject: Re: Order
Attachment: SKM_1200942345.img (contains "SKM1200942Pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69951/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
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/488016
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
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 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: 296456 Sample: SKM1200942Pdf.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 33 www.bakerlopez.icu 2->33 35 www.biotechimage.online 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 6 other signatures 2->49 11 SKM1200942Pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\SKM1200942Pdf.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 SKM1200942Pdf.exe 11->15         started        18 SKM1200942Pdf.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 37 concretecontractorlansing.com 198.54.116.38, 49737, 80 NAMECHEAP-NETUS United States 20->37 39 frontrisers.com 34.102.136.180, 49733, 80 GOOGLEUS United States 20->39 41 12 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 help.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 02:53:31 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cxlr26qlmwp2kqu2f2lnsgc5vvvmud7cahp2qavx7uhpfobbdr3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00c31ece69362a5cccc665bc1d57b48240d5bf53cbb159cb72b26454849e798e
Formbook
1f3a78fa36bc0741a38e82e73ea0a214ef806c0d968c70b99aa71c73864be656
Formbook
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
Formbook
62afb1cbcacb77aa2ca99cc55c0e3536738415289f53c4a3a57d9b9cc08ee5ab
Formbook
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
Formbook
7d7edb74ec4a4b30b75d0337169be83d230a384ba2bb9597c626aaeadbef8048
Formbook
914b9ec48f15df901f689ee02624b6b164a57ee6dc6383f7770e432f92faa337
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
d4224f6f5b734de53a5a7e5f5675b05f9a808deb058e64d00859146f8255594c
Formbook
d9ba192982200a73ca54ce3c9f10c43a185e0d99864eee685bc7ba70c311110a
Formbook
+ 2'386 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201012-7re5mkzqqn/
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 SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.diamondsbydanielle.com/t4vo/
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/70be7ed6-6b8f-464f-8987-da55182052fb/
SH256 hash:
1cf90ee5b529a9ebd672d202e368e16454b830b17189ff2b168e2364518b0526
MD5 hash:
a2210546b6d215d114ab06835bb39052
SHA1 hash:
8ca5ddfc5c13b3a992c880424cb028cca720fd91
Link:
https://www.unpac.me/results/70be7ed6-6b8f-464f-8987-da55182052fb/
SH256 hash:
541c1f5b4bea6c50b3c2e833579d8bc2985b7ffc4b18adf359131f2ee98eea4c
MD5 hash:
65b0d8c8a71c3decc82521a30b4456b1
SHA1 hash:
9293009c11ad1b91b4fd4b6cacc51536a0d5ebab
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/70be7ed6-6b8f-464f-8987-da55182052fb/
Parent samples :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 hash:
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
MD5 hash:
87abe4fdec140cc98b1ef54b8311960b
SHA1 hash:
304c9b23ad939b3baa4f06d49c7705b8d0fa8dc6
Link:
https://www.unpac.me/results/70be7ed6-6b8f-464f-8987-da55182052fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76

File information

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

Malspam

Formbook

img 8dc773eb583f0ed30ec1e54c129bff1f0490eaaae9be41980a4fb8e0991764c5

Formbook

Executable exe 15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76

(this sample)

  
Dropped by
MD5 8c8c0838901a3c4bbb85ec53d23eb9d6
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69951/
  
Dropped by
SHA256 8dc773eb583f0ed30ec1e54c129bff1f0490eaaae9be41980a4fb8e0991764c5

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