MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e. 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: 76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e
SHA3-384 hash: d3b1b3ee3de7167a3bcd3c3aadcd141ca4d76817a9a5a730c0f914f9c1b481a280017792ce6fc08abc6833771738d6b9
SHA1 hash: aa61f8b2f036242c64a7d5dacca731829ca7b6a8
MD5 hash: ddec146b75932fdbd9bcc131a5475ca1
humanhash: louisiana-cardinal-robin-eighteen
File name:Contract invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'070'080 bytes
First seen:2022-02-01 08:49:43 UTC
Last seen:2022-02-02 12:01:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:oHv8Jf0GXDiI4qF+yZsB9HlabMZll6jjOwXp2iVOV:PJftXW3RdZlEjjVXw
Threatray 12'914 similar samples on MalwareBazaar
TLSH T13A35E160B3A7C542F40B8F351468B12042B3B4D3B9C6DE776B6936498F9EB991E8530F
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Contract invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-02-01 08:57:34 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a1411678-10b7-4237-b627-e35923b376b1

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/229100/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61f8f43ea0f6a794b32fd33d/reports/9dbb688a-e0ca-49dc-a92d-01da6509f6d9/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/89e4bd5a-dd51-4b8d-b432-e17fd23ab4cc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/931431
Signature
Antivirus / Scanner detection for submitted sample
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
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
Self deletion via cmd delete
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: 563909 Sample: Contract invoice.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 32 www.trophyclubtrack.com 2->32 34 trophyclubtrack.com 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 9 other signatures 2->42 11 Contract invoice.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\Contract invoice.exe.log, ASCII 11->30 dropped 14 Contract invoice.exe 11->14         started        17 Contract invoice.exe 11->17         started        process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected process8 process9 21 cscript.exe 19->21         started        signatures10 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        26 explorer.exe 3 158 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-02-01 08:50:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
13 of 43 (30.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o2uuxhjlryvpxcn6k7fqvwzwntln5l2lvqtvpc6veovnosmybbxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3e317e0e4e62e0842ba4d1d52f8bd3e45a1b7a8e01e784771803d722dbfaf3a8
Formbook
3e6336be6f08626c2891a8163f0ea7604c8d11fb26c707f4dd8a4de187426acd
Formbook
58fb47124bf49f4190852baec863af03f73216cbba65c7eaa527f6ec6612e42b
Formbook
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
Formbook
b96d8904afc128bf96f360fb2702b6eb0d4d70ae6cbf32e7e4bbdd90ff884a04
Formbook
bfb63f78c88894c097832d1073716db0d322456da3a2bccc15e57eac15fa903d
Formbook
db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468
Formbook
f63ca508c3ea24625418ebfff72faa49193fdf16c8f2e2b8b7839eaf2f301200
Formbook
+ 12'904 additional samples on MalwareBazaar
Unpacked files
SH256 hash:
f267933c618caf2474f8366ae6962780d0b07dfe783499e34b7c1f8560bf2d77
MD5 hash:
a41a380e999d8fb946182afdfbcc7574
SHA1 hash:
0a0babeeea27536b532f9738c73aef6b56ef191b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/506f8e5e-3c7a-4586-95d0-3367b3557d9c/
Parent samples :
719c2edea3c0aaa814d65c272598d8d64db5ac0d0cf0a9adb12fe7a0a1fc9f19
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f
3e317e0e4e62e0842ba4d1d52f8bd3e45a1b7a8e01e784771803d722dbfaf3a8
76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e
f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f
SH256 hash:
098b7cef17e119aae13555a56528c4850c24dc1e38f91f626c753cce16ffdf2a
MD5 hash:
165636ddf41bd7a8cd0a0159bfd61d73
SHA1 hash:
f2d8bc16ecdb73eb4240869ec820bb007c615b53
Link:
https://www.unpac.me/results/506f8e5e-3c7a-4586-95d0-3367b3557d9c/
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
Link:
https://www.unpac.me/results/506f8e5e-3c7a-4586-95d0-3367b3557d9c/
SH256 hash:
76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e
MD5 hash:
ddec146b75932fdbd9bcc131a5475ca1
SHA1 hash:
aa61f8b2f036242c64a7d5dacca731829ca7b6a8
Link:
https://www.unpac.me/results/506f8e5e-3c7a-4586-95d0-3367b3557d9c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/76a94b9d2b8e/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/76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e

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 76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/229100/

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