MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8b1244a4aa61a5efc1d6ced3ae0407111574eda81cbe9f01f269e5fae9bf4b5. 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: c8b1244a4aa61a5efc1d6ced3ae0407111574eda81cbe9f01f269e5fae9bf4b5
SHA3-384 hash: 1a1f0309df2775c117d53c73d427b1c4b1a9fc59f3567fdcd083306832a84c5c721d6e81c2065d7e7af5ddc39bde0684
SHA1 hash: 1d60c4d0d0725141c3bd3d38d47db298449816fe
MD5 hash: aa6073912bbf760550b1df1c4153fc8c
humanhash: salami-minnesota-maine-mirror
File name:MV HARMONY SW_0000045_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:879'616 bytes
First seen:2020-08-05 09:29:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 507b3b5b1f6a270893e48e06f2f1033f (5 x AgentTesla, 2 x NanoCore, 2 x MassLogger)
ssdeep 12288:iOKeqxgkm/OcuIuQBCzcQFGCiol1TkKUSR3uKIwWdFGYpGI8cGiMazOHwFf:cHGnOMuQqNuWxuQVVcRMNHw5
Threatray 3'787 similar samples on MalwareBazaar
TLSH AA159E22B2904837C3631A789DDBA778A937BE113924B98727F55C4C5F3D68138293E7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: lucky.mydomainhoster.com
Sending IP: 103.98.237.92
From: "POHANG SHIPPING CO.,LTD." <pohang@pohangshipping.com>
Reply-To: pohanq@pohangshipping.com
Subject: Overdue Payment
Attachment: MV HARMONY SW_0000045_pdf.arj (contains "MV HARMONY SW_0000045_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39364/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Variant.Zusy.310507.14466.2707.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410855
Signature
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Detected FormBook malware
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 257755 Sample: MV HARMONY SW_0000045_pdf.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 53 www.besnapped.com 2->53 55 redir.imaginet.co.za 2->55 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Detected unpacking (changes PE section rights) 2->67 69 7 other signatures 2->69 11 MV HARMONY SW_0000045_pdf.exe 2->11         started        signatures3 process4 signatures5 87 Maps a DLL or memory area into another process 11->87 14 MV HARMONY SW_0000045_pdf.exe 11->14         started        process6 signatures7 89 Modifies the context of a thread in another process (thread injection) 14->89 91 Maps a DLL or memory area into another process 14->91 93 Sample uses process hollowing technique 14->93 95 Queues an APC in another process (thread injection) 14->95 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 47 www.controleapp.com 104.27.183.48, 49740, 49746, 49747 CLOUDFLARENETUS United States 17->47 49 www.shibsankar.com 17->49 51 3 other IPs or domains 17->51 41 C:\Users\user\AppData\...\c4nhiv_3f1.exe, PE32 17->41 dropped 71 System process connects to network (likely due to code injection or exploit) 17->71 73 Benign windows process drops PE files 17->73 22 rundll32.exe 1 17 17->22         started        26 c4nhiv_3f1.exe 17->26         started        28 c4nhiv_3f1.exe 17->28         started        30 WWAHost.exe 17->30         started        file10 signatures11 process12 file13 43 C:\Users\user\AppData\...\84-logrv.ini, data 22->43 dropped 45 C:\Users\user\AppData\...\84-logri.ini, data 22->45 dropped 75 Detected FormBook malware 22->75 77 Tries to steal Mail credentials (via file access) 22->77 79 Tries to harvest and steal browser information (history, passwords, etc) 22->79 81 Modifies the context of a thread in another process (thread injection) 22->81 32 cmd.exe 1 22->32         started        83 Maps a DLL or memory area into another process 26->83 34 c4nhiv_3f1.exe 26->34         started        37 c4nhiv_3f1.exe 28->37         started        85 Tries to detect virtualization through RDTSC time measurements 30->85 signatures14 process15 signatures16 39 conhost.exe 32->39         started        57 Modifies the context of a thread in another process (thread injection) 34->57 59 Maps a DLL or memory area into another process 34->59 61 Sample uses process hollowing technique 34->61 process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8b1244a4aa61a5efc1d6ced3ae0407111574eda81cbe9f01f269e5fae9bf4b5/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 09:31:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcysisskuynf57a5ntwtvycaoeivotw2qhf6t4a7e2pf7lu36s2q._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
035c2fa5d912202dd34e8410b14a42b0db007c2be8ed819bbc444f9818497f5b
Formbook
3d77c2490675a0f4e86f55ac8751a9a1912cd56bd168d9ae6c110cc385a65872
Formbook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
Formbook
487d192d19c37c9d4841141d3a41248b70400caa0cdcaed3d94ac7d4f3782222
Formbook
590fde182a154cd89b15d88546d60351b9fecb51e04fbbf4affd8d49a618bd23
Formbook
68b0e57c728398876c4a835e93ff8e5fe6e90d05175a8815ac17b8a4ba4c68cc
Formbook
7378560e6a7dd993634e25ba4c6f301172c742d82c7ae0fd8c71c986fe4af5ba
Formbook
aaf7a834529623fa776d9574d7026a9a40148fec3b8d598e8e8dfced91973760
Formbook
d7083f1007834bbc16f0b6d2ee0e1e2b9e79a04af2a2e21f2d2682c9dff939eb
Formbook
fd77bda3f991235956974723013237b8dd8ed7f661dfad976d2fde68804c55a7
Formbook
+ 3'777 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat evasion trojan persistence spyware stealer family:formbook
Link:
https://tria.ge/reports/200805-garcz5t6ka/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
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/c8b1244a4aa61a5efc1d6ced3ae0407111574eda81cbe9f01f269e5fae9bf4b5

File information

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

Malspam

Formbook

arj 4060e23bed741b111e9e0dd60254ad25c4fb71075dbe73c7471d1c716d850c3f

Formbook

Executable exe c8b1244a4aa61a5efc1d6ced3ae0407111574eda81cbe9f01f269e5fae9bf4b5

(this sample)

  
Dropped by
MD5 fd183cbffcca11e5fccfe9b3f6fc3460
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4060e23bed741b111e9e0dd60254ad25c4fb71075dbe73c7471d1c716d850c3f
Cape
Cape
https://www.capesandbox.com/analysis/39364/

Comments