MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592. 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: 9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592
SHA3-384 hash: de2788651c8a1d335dd6f964d4aaa4f560e424adb6b2985ff01926f1db5fc7ee67ce7bea6d28a868bc4f619a65abf76c
SHA1 hash: 963cf484db4dbe11b6eda55c0553af02b80397ee
MD5 hash: 85c50798b04fd9e86545aa162455e0da
humanhash: six-florida-yellow-hawaii
File name:85c50798b04fd9e86545aa162455e0da.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:487'424 bytes
First seen:2020-11-25 11:44:03 UTC
Last seen:2020-11-25 13:40:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:yfn7j4whhjZADjNq4Skz2/46nzA3AcUSAL6t8LFKpt576JSomBTAE0vBXl:yfXhjZUjY4Pz2A6zIDUXy8
Threatray 3'029 similar samples on MalwareBazaar
TLSH 70A4ADBC311179DFC91BC9B9DA643D54AE60387B931BC106A25B01EAAA4DBD6CF104F3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
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:
MALICIOUS
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/546874
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
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: 322532 Sample: ptFIhqUe89.exe Startdate: 25/11/2020 Architecture: WINDOWS Score: 100 31 www.unlikethesea.com 2->31 33 www.kateupon.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 11 ptFIhqUe89.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\ptFIhqUe89.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 ptFIhqUe89.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 freundhund.com 81.169.145.92, 49738, 80 STRATOSTRATOAGDE Germany 18->35 37 www.bostonrealestate.club 91.195.241.137, 49724, 49748, 80 SEDO-ASDE Germany 18->37 39 16 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 msdt.exe 18->22         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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-11-25 11:44:06 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
+ 3'019 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201125-z5vzfcyzqx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.pethgroup.com/mfg6/
Unpacked files
SH256 hash:
9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592
MD5 hash:
85c50798b04fd9e86545aa162455e0da
SHA1 hash:
963cf484db4dbe11b6eda55c0553af02b80397ee
Link:
https://www.unpac.me/results/edbc4413-4936-44ea-879d-a482c2be22c7/
SH256 hash:
54183728b451c4f26c164d7870c3f7fc648dd8bdb09d0cad3169eebe8f48ab99
MD5 hash:
15ef5d3d2c90ff7645af4176652c0d13
SHA1 hash:
2c651de6322f19b6f6ddc8362e1348d74dc86750
Link:
https://www.unpac.me/results/edbc4413-4936-44ea-879d-a482c2be22c7/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/edbc4413-4936-44ea-879d-a482c2be22c7/
SH256 hash:
daa39dfb576fafbc5a08c08b80321e81254770f35138af6a530fce9e4dc8d244
MD5 hash:
053518435664e84ad6e82a3fe202a34b
SHA1 hash:
b81b66a4d5fedcd70a980d18e44d75d2ffff42fe
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/edbc4413-4936-44ea-879d-a482c2be22c7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592

File information

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

Web download

Formbook

Executable exe 9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/847208/
  
Delivery method
Distributed via web download

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