MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b
SHA3-384 hash: a660da219c8a41d53e5ed4e41ddc8b0281eaa2ef97a81382c548bab3dd7f64b44e78ab7d5aae140b108fc0314309e13a
SHA1 hash: e38deace2a6a8fb95ffa0033b59d6588af07c152
MD5 hash: 1a19077e7c78ea1854525db9ca8dd544
humanhash: burger-comet-connecticut-oxygen
File name:shipping documents.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:521'728 bytes
First seen:2020-08-19 14:29:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:WG45uxfETwTbizDyou0EPPiK4humnjqt3VwxLN+AK:F45uxC1dQn4
Threatray 2'241 similar samples on MalwareBazaar
TLSH CEB4BF997160329EC81BFCFA85141CA19961AC7B930BE21340B732BD997D5A3CF152BF
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: properso.com
Sending IP: 62.210.157.138
From: Ash Zhang <ash.zhang@ugslogistics.com>
Subject: FINAL SHIPPING DOCS.
Attachment: shipping documents.rar (contains "shipping documents.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48635/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
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/438490
Signature
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271717 Sample: shipping documents.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 6 other signatures 2->44 10 shipping documents.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\shipping documents.exe.log, ASCII 10->30 dropped 54 Writes to foreign memory regions 10->54 56 Injects a PE file into a foreign processes 10->56 14 RegSvcs.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 2 other signatures 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 32 saludcomplementariaintegral.com 34.102.136.180, 49735, 80 GOOGLEUS United States 17->32 34 www.saludcomplementariaintegral.com 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 svchost.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 02:42:50 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5wmox6wb27zbfgr4rdcsjuskgg25ccppfnv3nylq6pa7okca5fq._file
Verdict:
malicious
Similar samples:
0c6ef50f134bbd723eddc99d8f9fc78b37e7e2590ec907ce4209075677add6d9
FormBook
59b3d10d21cabf7b65afd5c425a6c0be1778646a1e5e1411875e8c52e38410b8
FormBook
703ff50ce5c0478d29687466ee83df7f4d7f302343039cba3bab46405e07433b
FormBook
8b6a946bbba908d8087fa23d3eb420ade3d88ea8c36023a97e6b9129c6453988
FormBook
9bbebb59b74b06b6d1db59d4d33f0baa4a6d44ec18b51b4ec11b9ae210e8bff8
FormBook
b6e89905d6d6238171dd9b2fe24dada39d4ca0f9e7634229e5c43b5f3b563dc5
FormBook
b92daf26444f20dda1b9473af9b4016f67fc4e87761b1429021aceba77e3dd5a
FormBook
bb2f11cf6a69920db299f01b3f971aacd7277f0d37884deff05cba52e59b2998
FormBook
dcdd457e51bde64c24cf118ac54c8489efbc4bc55b5f1afc4facdfe673d3543e
FormBook
e2ff7c5e749d36ebfcc2a9d5af487369e454ef301a859eb8fc11ebe15ea73e34
FormBook
+ 2'231 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200819-gek4kf53dj/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/mcn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b

File information

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

Malspam

FormBook

rar b41ed1d09d4213d5aea052e9577e4d9d06297765b4298e762521e2b8bf151797

FormBook

Executable exe 1f6cc75fd60ebf9094d1e446292692518dae884f795b5db70b879e0fb942074b

(this sample)

  
Dropped by
MD5 cbe63daab8456bd2ad38526cc0d29b92
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48635/
  
Dropped by
SHA256 b41ed1d09d4213d5aea052e9577e4d9d06297765b4298e762521e2b8bf151797

Comments