MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99a0c13cf8d2bc4b4eb7579c8bc68471c4738b95b27fb771cb4640c5c4698d94. 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: 99a0c13cf8d2bc4b4eb7579c8bc68471c4738b95b27fb771cb4640c5c4698d94
SHA3-384 hash: 3f561b44fffd9fd5c18c7c5235274008e927b89fbd16edc3a0aa9847e62e293e05fef0e0d330c57936fca6d6f3e71e6c
SHA1 hash: cfcac191fc03591a9a61915f3c911b4e51a7ad60
MD5 hash: 1e1d3ebcf735559256fe106de64001f2
humanhash: bluebird-mike-ohio-romeo
File name:1e1d3ebcf735559256fe106de64001f2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:224'531 bytes
First seen:2021-03-10 10:06:08 UTC
Last seen:2021-03-10 11:53:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:rPKyLLlIL9nuNkHn5fJBtGwjPGofA20Vib:mqc9nuNE5xHGwjuofR0W
Threatray 4'129 similar samples on MalwareBazaar
TLSH CB24121776E685B7DDC782B00DBA8B39C5BC511C1132E4835FB67F39A4329EE5328282
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1e1d3ebcf735559256fe106de64001f2.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 10:11:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c41114a-0fc6-4583-b62e-6fe91c9a0225

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/123578/
Detection(s):
SecuriteInfo.com.Gen.Variant.Zusy.370710.15970.9292.UNOFFICIAL
Create hunting rule

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/634164
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 signatures2 2 Behavior Graph ID: 366053 Sample: 01XYJEhFbf.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 5 other signatures 2->45 10 01XYJEhFbf.exe 11 2->10         started        process3 file4 29 C:\Users\user\AppData\Local\...\jobg7gz.dll, PE32 10->29 dropped 55 Detected unpacking (changes PE section rights) 10->55 57 Maps a DLL or memory area into another process 10->57 59 Tries to detect virtualization through RDTSC time measurements 10->59 14 01XYJEhFbf.exe 10->14         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 explorer.exe 14->17 injected process8 dnsIp9 31 mauriciozarate.com 199.34.228.56, 49745, 80 WEEBLYUS United States 17->31 33 www.bkhlep.xyz 150.95.255.38, 49733, 80 INTERQGMOInternetIncJP Japan 17->33 35 10 other IPs or domains 17->35 47 System process connects to network (likely due to code injection or exploit) 17->47 21 msdt.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.kodairo.com 21->37 49 Modifies the context of a thread in another process (thread injection) 21->49 51 Maps a DLL or memory area into another process 21->51 53 Tries to detect virtualization through RDTSC time measurements 21->53 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Gathering data
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 00:53:35 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgqmcphy2k6ewtvxk6oixrueohchhc4vwj73o4olizamlrdjrwka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
3d3095586bf72d6b631e44681654c68707a6f07987b02e367e7d88ac9ddab77c
Formbook
43aa01ebbd20c81ee60bd5b6bacabcdd0a84e0aeb892c0ea18383261dbcdb0fb
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Formbook
a6f46c55982462a48a9fa43feb02b514df87a97b06a1ee073c57ae132cc1bec7
Formbook
b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
Formbook
b8ae844621bf21969ca7070937f91101ca4f7277917979ad9d4a4ac43d6e5fad
Formbook
e091222f766082c33c0606405115206cb2d915929dfe2ac899b1945d6442c512
Formbook
+ 4'119 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210310-efalgvjgrs/
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.856380692.xyz/nsag/
Unpacked files
SH256 hash:
99a0c13cf8d2bc4b4eb7579c8bc68471c4738b95b27fb771cb4640c5c4698d94
MD5 hash:
1e1d3ebcf735559256fe106de64001f2
SHA1 hash:
cfcac191fc03591a9a61915f3c911b4e51a7ad60
Link:
https://www.unpac.me/results/a32dc37b-09b9-48e6-9bff-40e4eb7d1cfa/
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/99a0c13cf8d2bc4b4eb7579c8bc68471c4738b95b27fb771cb4640c5c4698d94

File information

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

Web download

Formbook

Executable exe 99a0c13cf8d2bc4b4eb7579c8bc68471c4738b95b27fb771cb4640c5c4698d94

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1056771/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/123578/

Comments