MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984. 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: e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984
SHA3-384 hash: d2f995c44a3e8687ab3e7c5e65609aad46b0e9219335e7161e3ca62cf2ac01014fe5bd51a1350bffe11c766b0c76594c
SHA1 hash: 5e61d05157c4aa1acfc6a89de619f6bbcad176f6
MD5 hash: 16e1a5d26c0698ac48d63661264e0ba1
humanhash: pizza-nine-oven-fruit
File name:16e1a5d26c0698ac48d63661264e0ba1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:654'336 bytes
First seen:2021-01-13 19:45:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Ig/VMGS1XrEbWp+7jAKVBAIYyPNmvq6xnhpTn3SQs/wRDNvcY:3V81XIKp+7jAIBXqzxnn3SQCwRDF
TLSH 52D4F10032A84F65D57E97FA1A72D13017B2AD1A5523D34D4EC06CEB3DBEF818A90E67
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111815/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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/580543
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Found malware configuration
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: 339311 Sample: YvGnm93rap.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 31 www.tootleshook.com 2->31 33 www.hechoenvegas.net 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 7 other signatures 2->47 11 YvGnm93rap.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\YvGnm93rap.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 YvGnm93rap.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.puzelhome.com 195.78.66.137, 49744, 49765, 80 SUPERHOST-PL-ASPL Poland 18->35 37 www.4037a.com 104.233.238.207, 49743, 49764, 80 PEGTECHINCUS United States 18->37 39 17 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 msiexec.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/e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-13 16:54:52 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4tue2a6uznyj2437t3r6ng2a26l6iuwyh6vdl4fano3yvb5nbgca._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210113-w8y51f5rqs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.bodyfuelrtd.com/8rg4/
Unpacked files
SH256 hash:
8fcda62a1ad4fe58b4c2d8d73b9924230f5aca722660c21c2c361472f3332b1b
MD5 hash:
a22f50e75fecb6f5a5e9a4a044bf99b7
SHA1 hash:
4e7017a7f46bca1df22ce2cad2924be092c6a8b7
Link:
https://www.unpac.me/results/acff922b-45ce-45d4-9f2c-54bc2b8fa1e6/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/acff922b-45ce-45d4-9f2c-54bc2b8fa1e6/
SH256 hash:
c01d8c94ad3d8638c836b4cecf7f5528a003b6b59d38167395f16d8af43cd8a3
MD5 hash:
b833fd19e8a9d93e04312b166446f8b0
SHA1 hash:
6984f233385ead2137cf9a48d5c9cdf7b589d5fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/acff922b-45ce-45d4-9f2c-54bc2b8fa1e6/
Parent samples :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 hash:
e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984
MD5 hash:
16e1a5d26c0698ac48d63661264e0ba1
SHA1 hash:
5e61d05157c4aa1acfc6a89de619f6bbcad176f6
Link:
https://www.unpac.me/results/acff922b-45ce-45d4-9f2c-54bc2b8fa1e6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984

File information

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

Web download

Formbook

Executable exe e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/111815/
  
URLhaus
https://urlhaus.abuse.ch/url/953276/
  
Delivery method
Distributed via web download

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