MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad
SHA3-384 hash: 6c54436ab13c44515dab995615ce4e92a24b24e0fbaafa90d35859d7df48c928519769b1a4624d024f8122495e3058d9
SHA1 hash: ee33d7600dfb3e9bc888e79126ad66b001db405f
MD5 hash: ac5a3bebe7e44737930399317246c31f
humanhash: mexico-apart-romeo-double
File name:20211016-113459_Banco Cajamar.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:536'576 bytes
First seen:2021-12-02 14:25:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:MEpYcrq3cPf3Yd/MexgRG43g0Rrl6v46fQaH:MEpYcrb3YkexgRG43g0RrswaQaH
Threatray 12'050 similar samples on MalwareBazaar
TLSH T191B41280B7E84721C66A89B2057586126B7C2D232910D34F36C0F86FADF77D85DD92AF
File icon (PE):PE icon
dhash icon fcd8d0d2dac0c0e4 (44 x Formbook, 1 x AgentTesla, 1 x XWorm)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20211016-113459_Banco Cajamar.exe
Verdict:
Malicious activity
Analysis date:
2021-12-02 16:03:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/68e79b57-4681-4d58-bfed-95f5c12b0ee6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/210721/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/61a8d741707a51cfe28b5edf/reports/7dac26e0-19a7-4d72-9f6e-3043d848536e/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/31fd938a-8441-4877-a1d2-d6468a0ec9f6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/900420
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 532899 Sample: 20211016-113459_Banco Cajamar.exe Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 11 other signatures 2->46 10 20211016-113459_Banco Cajamar.exe 4 2->10         started        process3 file4 32 C:\...\20211016-113459_Banco Cajamar.exe.log, ASCII 10->32 dropped 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 20211016-113459_Banco Cajamar.exe 10->14         started        17 powershell.exe 25 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 34 www.mychmedicare.com 81.17.29.148, 49768, 80 PLI-ASCH Switzerland 19->34 36 www.cyfarthfa.net 170.130.100.87, 49771, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 19->36 38 www.yemdzosports.com 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 50 Uses netstat to query active network connections and open ports 19->50 25 NETSTAT.EXE 19->25         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 25->52 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/ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-29 11:06:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xiuxefyietu3wbwbr7hd7t5f2usbcfr3yhwnyvph72kpvq52s2wq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1713e0bbb0108206edab4a49cfc1cd04ffbd53d93cbc6e61d7fe97896ddbbcd1
Formbook
67cb5ce28fc7e9a5dae6c7be6da453844762fdea43d985cfc761c1ded66487f0
Formbook
9ea2af324c0b6ab6493a82c59ba4f2aa56d94c5bc830f0e2b5a8288dc63747d4
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
daac858e9ca5b0c8044385c2d94cbef17c41b0bd5c569ad7e03f0a51b4caab7a
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
e4b24664fbf0d04e761c36b6dcfb06c1f301b81a5f4c7c4696b2db972f20708a
Formbook
f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
Formbook
f136f4f9c59c4ff2582063222c6df106a3d1e3d7d9220ff73e3cb2ec487fe1db
Formbook
+ 12'040 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:n3p2 rat spyware stealer trojan
Link:
https://tria.ge/reports/211202-rrae2scgc3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.etaiiler.com/n3p2/
Unpacked files
SH256 hash:
18f485bc48f60303ef69863e39872d39cfaa39b0e10afa44d27e7a1eac6bd6c6
MD5 hash:
c2f0c18dbdb32cb2ca664d2f8b70dbf1
SHA1 hash:
e11099f00b66edf201dd4ddb53a9894e6b071abb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1eeedf66-3975-470c-9720-59503d954752/
Parent samples :
ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad
ef13ad897a51175cd6ab4b266a5792214853f595036156c766ba43a3a76537d7
SH256 hash:
1562fbb9370a42657584b0ce4fcdbee15e21455ecc5ecfb240c235c8e9173591
MD5 hash:
2349d3955e8190b054418e55e96db965
SHA1 hash:
d5b4a943ec23630e2e9313112972386fc31c5c2f
Link:
https://www.unpac.me/results/1eeedf66-3975-470c-9720-59503d954752/
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
Link:
https://www.unpac.me/results/1eeedf66-3975-470c-9720-59503d954752/
SH256 hash:
ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad
MD5 hash:
ac5a3bebe7e44737930399317246c31f
SHA1 hash:
ee33d7600dfb3e9bc888e79126ad66b001db405f
Link:
https://www.unpac.me/results/1eeedf66-3975-470c-9720-59503d954752/
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/ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad

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: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 ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210721/

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