MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d
SHA3-384 hash: 10eb3af1ac6fcbbef96feb23c50faa82d0c7fc6b5f2a55df8040f481c5747166b2a613e67371bfa1554eb15e9b929561
SHA1 hash: be2b13eff72882c14e7f776c5b760faec827662a
MD5 hash: ca6e3210bc6bdb9e6dbc26cc95f4c1d4
humanhash: equal-stream-jupiter-cup
File name:Payment tt.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:619'520 bytes
First seen:2022-05-23 05:43:49 UTC
Last seen:2022-05-23 06:41:15 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 12288:BtXI+3G62kWao44FOCpWjndk0sY5AcbHapyBJ6M8tqwIa89Vbrm:bF3GFkWs4MuWj3s3fMjwjKha
TLSH T134D41220259CCF6BC88D0675EC6112DC13F05E01BD92E757AF89B6EB5E72386C6113AB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 688e33f0e8e071b2 (10 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment tt.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 05:48:06 UTC
Tags:
formbook trojan stealer opendir
Link:
https://app.any.run/tasks/cb014462-c22d-4910-b846-992d34e16957

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/273511/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand.exe fareit obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/628b1f233223462f89dc97c5/reports/b2d163b4-575f-45a9-bc39-58d9d8c271ec/overview
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/bdb2ee76-a631-468d-bbb8-ff1d66677277
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/999505
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic
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: 631999 Sample: Payment tt.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 36 www.emelseya.com 2->36 38 www.edensedgesamoa.com 2->38 40 emelseya.com 2->40 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 11 Payment tt.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\Payment tt.exe.log, ASCII 11->28 dropped 14 Payment tt.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.greenoliv.com 156.250.233.68, 49810, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->30 32 198.54.117.217, 49841, 80 NAMECHEAP-NETUS United States 17->32 34 7 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Performs DNS queries to domains with low reputation 17->44 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-23 00:33:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xp3wujp6wyfqac2ckuvnzzpxfwdrvawwy3wtxnzkp6gzjsein5gq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:dahn loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220523-ge513sfbfn/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
b8a64a2274939bbde60a0a5f0113677de915972dfff262e8825f03df0b1a1274
MD5 hash:
a88b103f6485b2343118642da019c7be
SHA1 hash:
b66686dbb46215583daa65dfe5c0875212e6112c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7ffd7a45-d226-47a8-864a-48a9b9f29620/
Parent samples :
2de49b3102da5350531a70b7d670ce8c1a9da5d664d7530325780b9d19aed395
bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d
ed072604ebceced91d3493f0805453f7e75f2ddbc22158ac6d3c2081a4a6c922
f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7
SH256 hash:
fdd10fb67e6276b3d848c92d4686f56b2ecbea1d629795a241ca6306a2f62d55
MD5 hash:
f20fd214bbda1a459a3eb415eec86017
SHA1 hash:
c658f61e4f308a69a4509649439814166c655e84
Link:
https://www.unpac.me/results/7ffd7a45-d226-47a8-864a-48a9b9f29620/
SH256 hash:
260b5fd8c93db7bf86e36b587079483233020e755074798ddbc40821a4afe0eb
MD5 hash:
13346af03b105b0b8f593724d6dc0c1d
SHA1 hash:
85c3722ba3a0cbe36b4a8997a9476bc498b7b3e7
Link:
https://www.unpac.me/results/7ffd7a45-d226-47a8-864a-48a9b9f29620/
SH256 hash:
2fa404f63bbdfce04a0d21673667ecc2c0a0bda97d068f3cb2f3f5fc3c2b1ffb
MD5 hash:
3205942b11a9768b856c4dfa3498b4c8
SHA1 hash:
4797f603f2b2d003de9a9031277a7c16cb800436
Link:
https://www.unpac.me/results/7ffd7a45-d226-47a8-864a-48a9b9f29620/
SH256 hash:
9399189f876e2db5f65e04df41b9217c8959b6002fd1a7b9922f8f29b22c7d14
MD5 hash:
87893c85767753c72faf1aeb33c6afdc
SHA1 hash:
437d628f35521f3820132798e918d6d2e0b6f1c8
Link:
https://www.unpac.me/results/7ffd7a45-d226-47a8-864a-48a9b9f29620/
SH256 hash:
bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d
MD5 hash:
ca6e3210bc6bdb9e6dbc26cc95f4c1d4
SHA1 hash:
be2b13eff72882c14e7f776c5b760faec827662a
Link:
https://www.unpac.me/results/7ffd7a45-d226-47a8-864a-48a9b9f29620/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bbf76a25feb6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d

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.

Malspam

Formbook

Executable exe bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/273511/

Comments