MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4
SHA3-384 hash: 41a0a6e5da9ef54c86a4d4ac7aaf362d56355faa7e27a6f486e61b4290174666e9193b14dd8752a90455638f78d7678c
SHA1 hash: 841eabc421bc351a3a716090937b28ea136a531d
MD5 hash: 3e0eb6f1a717984eca4b727bd7091078
humanhash: cola-maryland-michigan-apart
File name:Proforma Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:784'384 bytes
First seen:2022-02-07 14:54:34 UTC
Last seen:Never
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:PkqpYukpXtsIvqMqjMOgt7lySwQS7+DjYg8h0OQzjLfn85qTgjRT5:DG1znqfHiDjB8aOQzjQ
Threatray 13'117 similar samples on MalwareBazaar
TLSH T15FF4DFAC729575EFC45BCC729A687CA0A63171B787CBC6039127129C8E4DA97DF008B7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/235883/
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
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
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/620132ce4077c8b9a01b6ae0/reports/acd12584-bb48-4579-a7e4-fd48e7a5a1bf/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/b7a94d35-693d-4008-9565-aa8d62b13eb0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/935257
Behaviour
Behavior Graph:
n/a
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-07 14:23:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgar3sswlpvna2iqram7tlitfirbinsdqh4x3t37b5bzmfgmr72a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
20142adbbec4e79cf460d90f427a580223ee0cab8e7946fb6e21133279949750
Formbook
34fc8a270fda2856448cb455e3dca4d8210f5e83f25f1fa8339d8f428a449466
Formbook
4f538ee6b8d7c6e779e1af1945dbcf1903947f45e707e68b1be0ce6a43b8041f
Formbook
69c77fdb89867a4004fcfc8de12e3ea749456ecd8e7cd9a3e316e9b7d5093f48
Formbook
786698eab83f77c1fdc3d37daf49966befe788b0e85167083726354225176d1f
Formbook
889a99efe47a7cd2f2ee5797086d76e5811f9502047d9be1c6cbc1dc815c57fe
Formbook
beccec456cf3e74a220ae1c8fa65cc0f4ddef57bee5d4f2ec71ad7b99da52369
Formbook
d368e6da00a94aa2a44145cde60d85f8b29cf8634893769f243f503524e24043
Formbook
e0b985ed9547d4799d352c98ed428c0ba78e3abfec8897ec406ea07f306cb982
Formbook
+ 13'107 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:s9ne loader rat
Link:
https://tria.ge/reports/220207-sahwjaddg9/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
a7c9191926984533176b429c96b58523446d7d9d36c14abf7aa4e2e0457ad63c
MD5 hash:
98e44131b70d108dec197a48e5cec096
SHA1 hash:
c002a66b36e29bd79ad5b3f32d0a661ba0fd16f8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6f1ae4ae-edad-472a-aecf-182689289402/
Parent samples :
0afd047607e52ba3e4994fd71a66964ab2af835b661746cf12ab53368a40b7ad
ac9e5b47d04e1bbf51afdf5ede13d16ad23dadb174eb3ac0aec1c26d255b807d
ad50215575f299a7cc0aa9616f5e6f4f4ad43ed8d51f15403a519b8871d3547d
dec8cfd95e7f3b0db46981117fe82eb59daab642c20c1e1ecaffe45df22af8c8
beccec456cf3e74a220ae1c8fa65cc0f4ddef57bee5d4f2ec71ad7b99da52369
4f538ee6b8d7c6e779e1af1945dbcf1903947f45e707e68b1be0ce6a43b8041f
20142adbbec4e79cf460d90f427a580223ee0cab8e7946fb6e21133279949750
69c77fdb89867a4004fcfc8de12e3ea749456ecd8e7cd9a3e316e9b7d5093f48
d368e6da00a94aa2a44145cde60d85f8b29cf8634893769f243f503524e24043
4efd8009a4be3d178d95134fbea3a30b01f2053d60414bc77072330b58fb26ad
49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4
ff3f7736a06e89ae300270369d83b922423c8a840903b30a8a21365c4b0b0628
1575198d7ad60f56d2a14359f82de8b6d0a5fc3278c1b6dc55716b17873ab54f
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/6f1ae4ae-edad-472a-aecf-182689289402/
SH256 hash:
9f19679675678f7bf24a24ca8b884058ac84e4687aeb982bbe15f8d50a182330
MD5 hash:
e48cd4705c2d5f1940d2cd399dccebd4
SHA1 hash:
4831d84ece0344af3ab4298a57562af12a4db448
Link:
https://www.unpac.me/results/6f1ae4ae-edad-472a-aecf-182689289402/
SH256 hash:
49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4
MD5 hash:
3e0eb6f1a717984eca4b727bd7091078
SHA1 hash:
841eabc421bc351a3a716090937b28ea136a531d
Link:
https://www.unpac.me/results/6f1ae4ae-edad-472a-aecf-182689289402/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/49811dca565b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 49811dca565bead069108819f9ad132a2214364381f97dcf7f0f439614cc8ff4

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/235883/

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