MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b. 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: b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
SHA3-384 hash: fb3e858ab2936dd7d5563d92d7c936fb847fb3913d13569ff440e36aad241ee72f180ec9eef3d738d22087b556310193
SHA1 hash: f54093f3b5e316c9092c4bbd107f7ec304b217ca
MD5 hash: 13f5db88696a2e532efd64ab6b5636d2
humanhash: violet-hotel-november-south
File name:13f5db88696a2e532efd64ab6b5636d2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:222'127 bytes
First seen:2021-03-09 12:40:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:MBlL/HxdJSgS91lMTIPwbvsQLjJ+kMsKr1dl0qaBn:mBTAgCGECvUkMprj+qcn
Threatray 4'103 similar samples on MalwareBazaar
TLSH 5224125A73D948F7E1E662B229B7B72CD3BED1140526C11327B80F3FA5500C7CE1A9A6
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BUNKRequsition_Mar 2021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-09 12:18:45 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/a55410aa-c100-4a2d-a680-221897c1ab03

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/123217/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Sending a UDP request
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/632779
Signature
Detected unpacking (changes PE section rights)
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 365356 Sample: E4AaEjT91C.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 33 www.theaupe.com 2->33 35 www.mkbjx.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 3 other signatures 2->49 11 E4AaEjT91C.exe 11 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\4mb2jk.dll, PE32 11->31 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Maps a DLL or memory area into another process 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 E4AaEjT91C.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 theretailbusinessschool.com 185.2.4.20, 49713, 80 REGISTER_UK-ASGB Italy 18->37 39 onstatic-pt.setupdns.net 81.88.57.70, 49715, 80 REGISTER-ASIT Italy 18->39 41 16 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 WWAHost.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Gathering data
Threat name:
Win32.Spyware.Convagent
Create hunting rule
Status:
Malicious
First seen:
2021-03-09 12:26:44 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjuxwhetty2gusw47dwsznfa4sj7eoikksqek7ev72suqxbpugnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
083d5efb4da09432a206cb7fba5cef2c82dd6cc080015fe69c2b36e71bca6c89
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
af05a9b5f7ed6483d7f10ea0e521e0a15fd90d224ca04a9665991ab630a54991
Formbook
e3670bfc1db6fb7223bb6b231ef4c3afd9d34de1d8f87b7a8e7a4cb27cfaa37d
Formbook
+ 4'093 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210309-2qrc4ryqas/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.hikayemedya.com/smd0/
Unpacked files
SH256 hash:
09105e275257bcc7227c62e588368bb1444d52f45a13134da85437f09af56d52
MD5 hash:
d8c3bc235ff601785b26037778aabf61
SHA1 hash:
485c56c2d8d22dda289cdd2c7caf0349c13d49b1
Link:
https://www.unpac.me/results/d7a8131d-0667-47e9-b136-6bc59af1b108/
SH256 hash:
b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
MD5 hash:
13f5db88696a2e532efd64ab6b5636d2
SHA1 hash:
f54093f3b5e316c9092c4bbd107f7ec304b217ca
Link:
https://www.unpac.me/results/d7a8131d-0667-47e9-b136-6bc59af1b108/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b

File information

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

Web download

Formbook

Executable exe b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1053976/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/123217/

Comments