MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d. 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: 75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d
SHA3-384 hash: 26b450a84e70da7d9bee7863c65fc5be8f48849cb70f473af54d9981a9f8ee357a6b7f75e6152ed651e0e61f0480c7d3
SHA1 hash: ac7a2dc54a51ee93c89f0a4971140e4fd19a85b8
MD5 hash: 71cee744d5d61305387d5b488804f663
humanhash: beer-low-orange-missouri
File name:PO-8071.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:664'720 bytes
First seen:2021-05-31 11:31:47 UTC
Last seen:2021-05-31 13:18:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 07479b87ff0f63b1469d899bc878018c (1 x Formbook)
ssdeep 12288:MFG5e0bDveN8KZsIOv1QG0fdO23HpHhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhv:MY9vXKeSXg25HhhhhhhhhhhhhhhhhhhF
Threatray 5'559 similar samples on MalwareBazaar
TLSH BEE48D22F1624DB7C5556E789E06972898647E303C285D663BF8284CAF7E3817DAF1C3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-8071.exe
Verdict:
Malicious activity
Analysis date:
2021-05-31 11:45:57 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/96308d54-5224-4079-a490-5f161b8507ad

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/163471/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Deleting a recently created file
Sending an HTTP GET request
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794672
Signature
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 427068 Sample: PO-8071.exe Startdate: 31/05/2021 Architecture: WINDOWS Score: 100 39 www.lezbyfriends.com 2->39 41 www.indyoutlaws.com 2->41 43 10 other IPs or domains 2->43 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 4 other signatures 2->59 11 PO-8071.exe 21 2->11         started        signatures3 process4 dnsIp5 51 cdn.discordapp.com 162.159.133.233, 443, 49711, 49712 CLOUDFLARENETUS United States 11->51 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 PO-8071.exe 11->15         started        18 cmd.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 cmd.exe 1 18->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 45 ummemunira.com 192.185.16.209, 49751, 80 UNIFIEDLAYER-AS-1US United States 20->45 47 www.ummemunira.com 20->47 49 7 other IPs or domains 20->49 61 System process connects to network (likely due to code injection or exploit) 20->61 28 help.exe 20->28         started        31 autochk.exe 20->31         started        33 conhost.exe 24->33         started        signatures11 process12 signatures13 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Maps a DLL or memory area into another process 28->69 71 Tries to detect virtualization through RDTSC time measurements 28->71 35 cmd.exe 1 28->35         started        process14 process15 37 conhost.exe 35->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-05-30 18:57:00 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oxxpqm77bscdj6fqsptydnklhuz4avkwcp76oxqf7jwfx3dqu56q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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e1fee7ee20f6d3bd6e913baeae737c558014454223d552c125c3f963e7c1a843
Formbook
f43b323ae6be7b7945d58fcab72ae3c66ef552b8584063def9d2415d08573c8a
Formbook
+ 5'549 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210531-ypm61cnmtn/
Behaviour
Enumerates system info in registry
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.glocp9.com/ogpo/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d

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_KB_CERT_0be3f393d1ef0272aed0e2319c1b5dd0
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates

File information

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

Malspam

Formbook

Executable exe 75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/163471/

Comments