MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977
SHA3-384 hash: 7f818757b0cdeedb37fd3244b10dc6ec98300f2cecd003a3ee860afb8a09f9762bb0e27192f2e7e9f6f70f49d1f32dd9
SHA1 hash: 75267b2a2fac23f1a7df8e087f65b480b6a17c33
MD5 hash: 7481e1b17229dbe145a0b8fec886f560
humanhash: nitrogen-arkansas-earth-mississippi
File name:payslip.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'142'784 bytes
First seen:2021-03-05 07:20:53 UTC
Last seen:2021-03-10 00:47:38 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 12288:7hiwj+W9DUki62PEfk9UrMgHe/d2p8XsK6/keAR3XaYCtt9phJ3:7rfizEc6Qgq88XFa7AavB
Threatray 4'047 similar samples on MalwareBazaar
TLSH 99352B3036A66208E47E5B300D74E2D163FA7E5ABF15CB1E2899074D9F235938F11BB6
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
11
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payslip.exe
Verdict:
Malicious activity
Analysis date:
2021-03-05 07:24:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fe4d0d9a-3a99-4d90-aa45-95e6dab344f1

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/122410/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.ZWR.29442.7020.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/629481
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
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
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 signatures2 2 Behavior Graph ID: 363710 Sample: payslip.exe Startdate: 05/03/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 11 other signatures 2->50 10 payslip.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\Local\...\tmpD3DD.tmp, XML 10->32 dropped 34 C:\Users\user\AppData\...\payslip.exe.log, ASCII 10->34 dropped 36 C:\Users\user\AppData\Roaming\YFpLVdaiS.exe, PE32 10->36 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 14 payslip.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 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 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 cosmoproturkey.com 45.65.61.8, 49744, 80 NETWORKDYNAMICS-PTY-LTD-AS-APNetworkDynamicsPtyLtdAU Australia 19->38 40 www.kollektiv.agency 169.1.24.244, 49735, 80 AfrihostZA South Africa 19->40 42 6 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 25 wscript.exe 19->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-05 05:07:08 UTC
AV detection:
3 of 47 (6.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3n6lkgn4rml3mt5lxinxx65lm7hk72dht3tt3hlexjlq5otovf3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
43aa01ebbd20c81ee60bd5b6bacabcdd0a84e0aeb892c0ea18383261dbcdb0fb
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f
Formbook
92f656d44d38fbc5e7964e36634bf95d18e157228624d1b38ea933633579ddc4
Formbook
e3670bfc1db6fb7223bb6b231ef4c3afd9d34de1d8f87b7a8e7a4cb27cfaa37d
Formbook
+ 4'037 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/210305-36dq5p44xe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/ae397827-b1a8-40cc-9cba-d3fdbf52d7ff/
SH256 hash:
db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977
MD5 hash:
7481e1b17229dbe145a0b8fec886f560
SHA1 hash:
75267b2a2fac23f1a7df8e087f65b480b6a17c33
Link:
https://www.unpac.me/results/ae397827-b1a8-40cc-9cba-d3fdbf52d7ff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

Executable exe db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/122410/

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