MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a
SHA3-384 hash: 3b196218a265bb72653089a985a9c4ae9291412dca418db6351ee9fad9b921b1fb5578c9a26929f97d56572b087b20e0
SHA1 hash: 03455f7bf12f372a67c8c8063ed3ba4ed9ef5057
MD5 hash: b2854a0ded6ecaa2d5bf95e48cac1487
humanhash: aspen-eleven-romeo-speaker
File name:Nueva cotización185225772.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:196'741 bytes
First seen:2022-04-29 09:32:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunbbOH19uHTkbTe1MIaZirxNBmQTPQ30cM4Zb1bkHkFerwMoo69ju:HNeZmg1QzkbhnQIRM+JFQoDI
Threatray 11'838 similar samples on MalwareBazaar
TLSH T1A11412983EB0C827DAA72B71153AB7585FE7D71E6574130F1B201E4A7872342EE1B322
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Nueva cotización185225772.r09
Verdict:
Malicious activity
Analysis date:
2022-04-25 03:56:04 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/6c1cee99-486c-4167-bc77-ab0f717cf154

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/267763/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/626bb0dc2b32b1c37c70cf57/reports/446ef237-ce3c-4ce9-b653-f69af11470b2/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/93bb3387-6874-4ee2-b32b-e0c2d5545ccb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/985349
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 617845 Sample: Nueva cotizaci#U00f3n185225... Startdate: 29/04/2022 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 7 other signatures 2->69 11 Nueva cotizaci#U00f3n185225772.exe 18 2->11         started        process3 file4 45 C:\Users\user\AppData\Local\Temp\imyhdv.exe, PE32 11->45 dropped 14 imyhdv.exe 11->14         started        process5 signatures6 85 Multi AV Scanner detection for dropped file 14->85 87 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->87 89 Tries to detect virtualization through RDTSC time measurements 14->89 91 Injects a PE file into a foreign processes 14->91 17 imyhdv.exe 14->17         started        process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 17->55 57 Maps a DLL or memory area into another process 17->57 59 Sample uses process hollowing technique 17->59 61 Queues an APC in another process (thread injection) 17->61 20 explorer.exe 3 6 17->20 injected process9 dnsIp10 47 privatetravelvietnam.com 192.185.114.102, 49843, 49866, 49867 UNIFIEDLAYER-AS-1US United States 20->47 49 theinternetboss.com 15.197.142.173, 49848, 80 TANDEMUS United States 20->49 51 28 other IPs or domains 20->51 43 C:\Users\user\AppData\...\y8tttfqvhudw.exe, PE32 20->43 dropped 71 System process connects to network (likely due to code injection or exploit) 20->71 73 Benign windows process drops PE files 20->73 75 Performs DNS queries to domains with low reputation 20->75 25 rundll32.exe 1 12 20->25         started        28 y8tttfqvhudw.exe 20->28         started        30 y8tttfqvhudw.exe 20->30         started        file11 signatures12 process13 signatures14 77 Tries to steal Mail credentials (via file / registry access) 25->77 79 Tries to harvest and steal browser information (history, passwords, etc) 25->79 81 Modifies the context of a thread in another process (thread injection) 25->81 83 2 other signatures 25->83 32 cmd.exe 2 25->32         started        35 cmd.exe 1 25->35         started        37 WerFault.exe 3 10 28->37         started        process15 signatures16 53 Tries to harvest and steal browser information (history, passwords, etc) 32->53 39 conhost.exe 32->39         started        41 conhost.exe 35->41         started        process17
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-04-25 03:21:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zu3naiuuxd75noun7kewnxluw2puv532hlj6l2dirmrmxjwxqava._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b547b6fbd2328c64aab9806e3617ec953098db3af45a2546697d9ca7ee838c9
Formbook
2b4ae3511a344b0417708b8bb5765da86678d5a8c4d87a367eec42937d242965
Formbook
2f47cecb0ac0c17ad38f1e8b65e4bbb7180d87d750ed7e93ce9fc5db11e5cae5
Formbook
39586764971f496d274f3d453029954720962ed36672050b742aef8b4e68a78e
Formbook
6c70916e3e579d049190487f2415804c50bae69b409a1cffbc6de56e7976af80
Formbook
7a975e0983903a474303dfbab00a6ccd3a5f9f3339fb1d756aa36f5172361e7c
Formbook
98c9c20fcffa6fe99c0841a33f4a9283552b9393d958818b9b2b610d5467822e
Formbook
9cd0bbacb06bc4a961772ad5dac574736247fa7604116855118ecabb6926643b
Formbook
b1864b93f536f9f345949786b9d7229a56745506750c886abd462f07cb92a93b
Formbook
c97f3c263a8cf99b9535d4cb5276eaab9e07fca8c51ac010d5fbfbad6fc5261d
Formbook
+ 11'828 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:g5so loader rat suricata
Link:
https://tria.ge/reports/220429-lh8nlahge3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
bc110d7bae12529cdc1e25394cfdfe68afbb960b7fc4bb7e807be92ed2c14479
MD5 hash:
53ee1d9de63729396cea5156950dbcb6
SHA1 hash:
20fc3377e7f481ad067ffc410e42a9469d041c03
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d728bc59-f474-474d-b0cb-c2a5d29ee767/
Parent samples :
de730251e1e204e4ee22464f4638e2baa2c64ee9a9520180443f593497678c58
9a89f7d24e1bc1ca09e2a9ed6b123a5e34fd963b5ced315c49e2bce5ed6b4bcb
3be0ec47961daf00ad70c778e46eb97964a4a0c53b281e3ae7828c2ee79e0f62
cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a
621b174ac7de9b3b3b7698769ba6a83577db9453c8a93da26491d0cbfadf9f62
c0aca9838fde50ce7f8d57a322812fe457914e6cd0f06337664b959c8f8bfd52
304602b81a7a20873c7e72eec0d2c97b5994890910db8f7f0e05025d468bed86
SH256 hash:
0cf3ad5b7c801a45ccdf6bfc05d5fea9ceeb0c11e3b97135c4a361ec7313e0cd
MD5 hash:
cc8f5313a432dadd77e613490ada659e
SHA1 hash:
50b29e800afe946a683b7aa1535ff3f4fa24e4ad
Link:
https://www.unpac.me/results/d728bc59-f474-474d-b0cb-c2a5d29ee767/
SH256 hash:
6e82777e8bb5b54c839fe1f3b7663bc11b3cce785ad50f6cebe3285c823d619d
MD5 hash:
21f7cb5d43ce0c930360f3d6d87f0000
SHA1 hash:
79593b3bf9d089f2b68e2a58dfb32b3fe8d01538
Link:
https://www.unpac.me/results/d728bc59-f474-474d-b0cb-c2a5d29ee767/
SH256 hash:
cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a
MD5 hash:
b2854a0ded6ecaa2d5bf95e48cac1487
SHA1 hash:
03455f7bf12f372a67c8c8063ed3ba4ed9ef5057
Link:
https://www.unpac.me/results/d728bc59-f474-474d-b0cb-c2a5d29ee767/
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/cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a

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:pdb2
Create hunting rule
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

r09 4f99fa17f3e7cdc941a0f8b0d25948be0bfb38c209bc416ee0ad952ea0150f40

Formbook

Executable exe cd36d02294b8ffd6ba8dfa8966dd74b69f4af77a3ad3e5e8688b22cba6d7802a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4f99fa17f3e7cdc941a0f8b0d25948be0bfb38c209bc416ee0ad952ea0150f40
Cape
Cape
https://www.capesandbox.com/analysis/267763/
  
Dropped by
MD5 5b3bebfdb5f166ac040c34fab1bdba6e

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