MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008
SHA3-384 hash: 7bd4ad96e91e8f0eaa606db0cb417b95e5ef87ebb0768d3b900f301a0581a1164ccd5660d86f4018b6073e9df0c640a8
SHA1 hash: c5b8acf38cec74a50b860cc28e057fe94f5faac3
MD5 hash: aed69bded2c5920724549a7112b9fecb
humanhash: blossom-delaware-charlie-mockingbird
File name:aed69bded2c5920724549a7112b9fecb.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:967'168 bytes
First seen:2020-12-04 19:28:25 UTC
Last seen:2020-12-04 21:48:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:X5A6U2GktzMJJmAQK5Y8JB0J5nhNU+dfhnr:RU2GVrmKXJByDU+d1
Threatray 17 similar samples on MalwareBazaar
TLSH DE258C0AA104BE15D9FE0A37CC966920937D9C13DB06C6AD9DD039ED5FB37F9884B206
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106796/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.44828224.99.4718.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Launching the process to change network settings
Launching cmd.exe command interpreter
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/555987
Signature
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 327095 Sample: nqGVhcI121.exe Startdate: 04/12/2020 Architecture: WINDOWS Score: 100 45 g.msn.com 2->45 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 8 other signatures 2->59 11 nqGVhcI121.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\xuGfwTpgRYPQ.exe, PE32 11->37 dropped 39 C:\Users\...\xuGfwTpgRYPQ.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpAAC3.tmp, XML 11->41 dropped 43 C:\Users\user\AppData\...\nqGVhcI121.exe.log, ASCII 11->43 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 nqGVhcI121.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 nqGVhcI121.exe 11->20         started        22 2 other processes 11->22 signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        process9 dnsIp10 47 tributoalcuerpo.com 34.102.136.180, 49755, 49762, 80 GOOGLEUS United States 24->47 49 www.keylightholdings.com 104.28.8.85, 49759, 80 CLOUDFLARENETUS United States 24->49 51 5 other IPs or domains 24->51 61 System process connects to network (likely due to code injection or exploit) 24->61 30 mstsc.exe 24->30         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 30->65 67 Maps a DLL or memory area into another process 30->67 69 Tries to detect virtualization through RDTSC time measurements 30->69 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-04 12:05:17 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
11ed6cc2222d5e0db7cc26544b9acf7370f2dab930e73a7268d388d73674b776
Formbook
2ac56457e5dfd887f318ab16bbc8fa9711095b8cb4cae99f5a34358c9a8502f0
Formbook
5c262eeac56f9ceeb0b44f0b0c46535aa23c3f1317d2c03148648342854fb98c
Formbook
64fa98c6d88fdd55fa6c93b8ab2f08e6e5b3347b102651f86a9f9ac569e2a239
Formbook
824d9e9082e27b16c7bff8e0c02321c69abde54bcbc160a17f68ad4eba21170f
Formbook
9603997de7895ccfbd7b9493e7c64a9a089adc98a4929308ff74f18e88f9eac7
Formbook
9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270
Formbook
aa7bb4cef770d1c8fe06f5e4d7a0bff3c2947df233dd5c78f731a154c07f5013
Formbook
c1db0bc7089675799a66c321a0401a402b94e0d455037b0cbd76e54188de43c8
Formbook
c5bfbac52396976e672116e5fb07d6cae05d2b07b749d08283a26bcf29677dbe
Formbook
+ 7 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/201204-zjfrnr7w1a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.artyhairworld.com/mgd/
Unpacked files
SH256 hash:
a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008
MD5 hash:
aed69bded2c5920724549a7112b9fecb
SHA1 hash:
c5b8acf38cec74a50b860cc28e057fe94f5faac3
Link:
https://www.unpac.me/results/2a0a5eb8-33ab-4ca8-b1bf-614def8cf129/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/2a0a5eb8-33ab-4ca8-b1bf-614def8cf129/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008

File information

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

Web download

Formbook

Executable exe a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/885049/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/885445/
  
URLhaus
https://urlhaus.abuse.ch/url/880621/
Cape
Cape
https://www.capesandbox.com/analysis/106796/

Comments