MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e
SHA3-384 hash: a151fd386fccdcf04066cdb8d6d8a4b66e28b7f5b08eaff33a1b802ccfa4c429bdaba6ecf887b605658c1aadd20b9204
SHA1 hash: c30be0ff8f0cfdb4eb8395119e58a647c9ae2495
MD5 hash: a4231c7431f34ce5f1aeecd2c366008a
humanhash: august-washington-freddie-floor
File name:a4231c7431f34ce5f1aeecd2c366008a
Download: download sample
Signature Formbook
Create hunting rule
File size:841'728 bytes
First seen:2021-07-14 15:10:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:KhxrNls9XOd4+QC1FQl2XKp07+IS2iN7O+4ugIFiRTwOxsIrnDLjSWtIDLbvhSvn:KhptS11zxFiuybnXCDMLiqAlfMBtT+S
Threatray 6'414 similar samples on MalwareBazaar
TLSH T18D058D2C23BEA609F633FF316F94E7649FA66EB952159C0D59C40A077421C82BDA7C31
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4231c7431f34ce5f1aeecd2c366008a
Verdict:
Malicious activity
Analysis date:
2021-07-14 16:31:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8c3c9701-4648-4715-b3bf-7667323c4989

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/171714/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b3257f4-f990-4434-ac5b-7052e4d805f7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/816508
Signature
.NET source code contains very large strings
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)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 448919 Sample: vwffPcT2NE Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 31 www.elevatom.com 2->31 33 elevatom.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 7 other signatures 2->47 11 vwffPcT2NE.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\vwffPcT2NE.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 vwffPcT2NE.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 canadadirect.net 67.227.152.192, 49766, 80 LIQUIDWEBUS United States 18->35 37 www.dbgpartners.com 52.128.23.153, 49767, 80 DOSARRESTUS United States 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cscript.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:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-14 15:11:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eqjt2tnnnltgw2yi35s53dq5m3sytqh3ykxhoaza5l5e24dzempa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ffc672939acb2f65e7100816bfaf82b621bcf7ec4aa292911aeb04738f708d7
Formbook
1eaac3194b53e9523347d6d8392bb9ac437437217b530f2c61a270459c7da06e
Formbook
4d15d10d62977acbf98b94bf2d836c116b5410939809e5a961a1d9dea165c3fb
Formbook
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
6f536ae781fd98358126408aa6991b4bb3ec3f9940929a22b25f785b71ec770d
Formbook
75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d
Formbook
a9c3d37d324e9b6a0ebf9f9369c68cc288117edc4657d086b0fbc0cbafee9e64
Formbook
c58abe9cc2eda9f80841417a5e8dd7c75416cf0183a6fda6b616a2c312450ab5
Formbook
e849c7a7302e028b74f1f8d4c4bf715db8fde7fdb80747a4b791d7a3fde9d5e4
Formbook
f3a5f73b6bef3d25071f3e2fb2f3c6402683d2770539e5b046bdc7b485ce3c0b
Formbook
+ 6'404 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210714-mevshjjlwe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.eco-memo.com/7bun/
Unpacked files
SH256 hash:
439670fe5864ae83b65a9cb9c87f0c47c896e9f93b917d7fc8e131767b7bdf98
MD5 hash:
834f93af89ae66e95f3c9a0bbcbb564f
SHA1 hash:
4c58c669f3aad0118ca4a0a58f5dabd2580a7c58
Link:
https://www.unpac.me/results/a55b757d-c424-4bd8-94da-b6f977e8ed0d/
SH256 hash:
07fe4ec68fd566da1357611994a0d1017f1ef0018b4e6f6fbbd6ea42ef47b4f5
MD5 hash:
471cd80fdec46da29b86a3d890882c21
SHA1 hash:
b8c6c5d4f3aaabfd25137e773c11b5734ed0d3c9
Link:
https://www.unpac.me/results/a55b757d-c424-4bd8-94da-b6f977e8ed0d/
SH256 hash:
32e227e2da7efdbc451c496e3cd4d42ccba4a8d8c70fe3086f7b8a7cc19b34d3
MD5 hash:
24b4d0c72a80c7e3871607ffd93d2120
SHA1 hash:
c35649fce54a3d821408dbcc1dc55bba21376c12
Link:
https://www.unpac.me/results/a55b757d-c424-4bd8-94da-b6f977e8ed0d/
SH256 hash:
0ccc9cccce773a37bbf7b40d2d377b9c3cf243547b81f60139cb9ef70b9a3c4c
MD5 hash:
cd2aa3fa657107aa5b8d9b69c9d412ad
SHA1 hash:
b22db0fec36573248df4c26d31adefcc323482fb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a55b757d-c424-4bd8-94da-b6f977e8ed0d/
Parent samples :
24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e
55f06aa36a715afaa715697f490114fdaaa854f1a62d24d8df024fdc95cd1435
e38f60c9ff210681232148c43db51f11967e6360940b50a646c8edb472fb1c42
a728204cf53dff3c0f93facfa43a189166caf917e31e85c3ff3b773ecf0cb9b6
820874caef7dd09b3475fbeac4b6b7372446b6b5eee1583aa7eef9610e27b9f8
SH256 hash:
24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e
MD5 hash:
a4231c7431f34ce5f1aeecd2c366008a
SHA1 hash:
c30be0ff8f0cfdb4eb8395119e58a647c9ae2495
Link:
https://www.unpac.me/results/a55b757d-c424-4bd8-94da-b6f977e8ed0d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 24133d4dad6ae66b6b08df65dd8e1d66e589c0fbc2ae770320eafa4d7079231e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1454013/
Cape
Cape
https://www.capesandbox.com/analysis/171714/

Comments


Avatar
zbet commented on 2021-07-14 15:10:57 UTC

url : hxxp://103.140.250.43/port/.wininit.exe