MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3. 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 3 File information Comments
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SHA256 hash: 25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3
SHA3-384 hash: f629e52c028f961f7c05d4c0a9efd49ed15ffaf41dc9f27f7ffcea37df2cf693e087fcd370c931f503498a9becb148a1
SHA1 hash: e6c32240a28d90156493dd84360e083f0899ce36
MD5 hash: 113286f80f81317488aa39f931bde38f
humanhash: summer-blossom-yankee-sad
File name:PO_0008.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:695'726 bytes
First seen:2021-08-02 10:49:56 UTC
Last seen:2021-08-03 15:18:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 457e32d3dd9c9bc4442beae8353acab7 (6 x Formbook, 4 x AgentTesla, 1 x RemcosRAT)
ssdeep 12288:SKqJZ4sLu1XsqA+aYX9fy+bVTuCv4xFlkyDZ6U+:T6ZhLuWqA5MLQxbdB+
Threatray 7'153 similar samples on MalwareBazaar
TLSH T17DE4F810B6EDA82AF03379F95FEED17CE65AB6F0531FC2AF11A5044B0695D811B222F1
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
351
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_0008.exe
Verdict:
Malicious activity
Analysis date:
2021-08-02 10:53:15 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/dec3e28e-cf57-4c99-b996-28ec9a41067f

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/175778/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a system process
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/bca265f9-1b28-4e3a-a7bc-02b183ef4ee1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825461
Signature
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
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: 457873 Sample: PO_0008.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 28 www.youngsvideography.com 2->28 30 www.ecozoca.com 2->30 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 6 other signatures 2->52 10 PO_0008.exe 2->10         started        signatures3 process4 signatures5 54 Maps a DLL or memory area into another process 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 13 PO_0008.exe 10->13         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 16 mstsc.exe 13->16         started        19 explorer.exe 13->19 injected 22 autofmt.exe 13->22         started        process8 dnsIp9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Tries to detect virtualization through RDTSC time measurements 16->42 24 cmd.exe 1 16->24         started        32 td-balancer-dc11-60-102.wixdns.net 185.230.60.102, 49744, 80 WIX_COMIL Israel 19->32 34 www.zombiguitar.com 81.17.18.194, 49739, 80 PLI-ASCH Switzerland 19->34 36 16 other IPs or domains 19->36 44 System process connects to network (likely due to code injection or exploit) 19->44 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 07:49:26 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewqjakzrldguyck4ndtpksoyvdzgifidppzdjql3aux2obluzlzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
266321f3918aa86a1b7915453a294ca5c36bf2072647b549cdd35f526b3375a3
Formbook
3c94599cada17b9fae62316e54a1d69db7c475223721a5a57abe8774a2b5da74
Formbook
56d6f10098e58e9b99da5ac5a8ed3c9a1f37eff6b2361907316cf3222f8652ec
Formbook
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
Formbook
7095eaf52cf5806f19b13137aa004a72f92cea88fc94c4397dd1f10aa08e8b1a
Formbook
7e88f1c425154e6fff6d031aaaa4d8bb4c8ff131e429f44310fd936bfc08b357
Formbook
82c32dd8462adfec60639b321066c7f9a9e5377dfd442bcf2537a036e8ce7218
Formbook
98bf20a283219c4cc786234b7d389766fddbe3b095d13c9109f5406128e83103
Formbook
9c2725c92b6d2ab8d0a3d786358751d8a449fd8bfd02adce7e80bd5e07714d93
Formbook
f711f998297a0d98cb243f6ce2c0ed47271be92cad4ad0aa53cd369fb16c1746
Formbook
+ 7'143 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210802-bsaedww9xn/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.microprojects.net/usvr/
Unpacked files
SH256 hash:
735a72c47cc8a0314c3e9b1a4efa120b3631bf72accec0e5dc105303810ad2fe
MD5 hash:
bf33aaa801bec9118216c716b69b0fde
SHA1 hash:
b62fc01a8116c09a15fc021a2fed52f4e898d3fc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/85bc8266-1366-4659-8851-fb66df68a821/
Parent samples :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 hash:
25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3
MD5 hash:
113286f80f81317488aa39f931bde38f
SHA1 hash:
e6c32240a28d90156493dd84360e083f0899ce36
Link:
https://www.unpac.me/results/85bc8266-1366-4659-8851-fb66df68a821/
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/25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
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

rar 605423f09dfd4d182851233f492b7dca74050686f530862ca6a91516bfc18c10

Formbook

Executable exe 25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 605423f09dfd4d182851233f492b7dca74050686f530862ca6a91516bfc18c10
Cape
Cape
https://www.capesandbox.com/analysis/175778/

Comments