MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4df82c087abde68f33236754d4c234e2d4f4cd24cdc44d3350dbbe69da58dc91. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 4df82c087abde68f33236754d4c234e2d4f4cd24cdc44d3350dbbe69da58dc91
SHA3-384 hash: 556e16de9a805a1c793bdb3b2af50a4b0a1d643441805f7bdfde483311cb69840da1314b1376fcf9822ac57347e97e3b
SHA1 hash: 9cb9cfe2c7e2fa1f325ef2225caaaba4ff5476ad
MD5 hash: 7cb46f0e5fcd0ec84487f094af9e2036
humanhash: enemy-twenty-sad-moon
File name:7cb46f0e5fcd0ec84487f094af9e2036.exe
Download: download sample
Signature Formbook
File size:675'328 bytes
First seen:2021-02-04 12:01:52 UTC
Last seen:2021-02-04 13:46:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:1Zi9709q1OenMJzEQdh0dSZff7QWStQHfovjNJfMNTajks3CMngEkZ/B99:1Zl/zE26dShf0W3obNJfMNTDungZ/
Threatray 3'740 similar samples on MalwareBazaar
TLSH 48E402453FBC5B5BD7762FF50AB0D01463FD91022826D30A8EE22ACDA539F985E80D97
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RF-E68-STD-2020-239.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-04 09:29:10 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 348621 Sample: r4OQr2LJjv.exe Startdate: 04/02/2021 Architecture: WINDOWS Score: 100 31 www.serenshiningarts.com 2->31 33 serenshiningarts.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 r4OQr2LJjv.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\r4OQr2LJjv.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 r4OQr2LJjv.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 serenshiningarts.com 34.102.136.180, 49744, 49748, 49757 GOOGLEUS United States 18->35 37 shops.myshopify.com 23.227.38.74, 49750, 80 CLOUDFLARENETUS Canada 18->37 39 8 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 netsh.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       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-04 09:41:50 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.theatomicshots.com/xle/
Unpacked files
SH256 hash:
390968a13a4268add7e4ab77718cdec07715a342e3323fb8b36ec0b8a7198b96
MD5 hash:
b6183c168d76accd7d0be8da14f2f082
SHA1 hash:
930ba5794c87b9182106c48e8eb0effd08a847bc
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
SH256 hash:
1fa7ef7be1c4343628e13635a51011631905dd6727ca166da53c9c9765ffed8c
MD5 hash:
1d579806d94f4c43fcdd13baadeb1c32
SHA1 hash:
18b56c5c8da39428246f0d5f8e124bca9c29e032
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4df82c087abde68f33236754d4c234e2d4f4cd24cdc44d3350dbbe69da58dc91
MD5 hash:
7cb46f0e5fcd0ec84487f094af9e2036
SHA1 hash:
9cb9cfe2c7e2fa1f325ef2225caaaba4ff5476ad
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe 4df82c087abde68f33236754d4c234e2d4f4cd24cdc44d3350dbbe69da58dc91

(this sample)

  
Delivery method
Distributed via web download

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