MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8. 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: 33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
SHA3-384 hash: e16dc3d16a89d92c4e72239326e7a9e7dd060099524657579f78baca7335841774aa3bbb8889147aa43cb79a87b3a48b
SHA1 hash: ae86ea40fa1532425e7af51c4356a07d75303f91
MD5 hash: d13fe90ba28506d6da905387249bc084
humanhash: stairway-florida-mockingbird-oven
File name:purchase order # 3061552371.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:707'072 bytes
First seen:2021-08-30 06:20:22 UTC
Last seen:2021-08-30 13:52:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:xY0q7t5k5vNbHSEOJZMtqEZr4aqiCXbwX1wm2D/o8StukFUgpx7kGclFMWqcaP:iQTiMgSF9CXb0B2YLTpNILqZ
Threatray 8'581 similar samples on MalwareBazaar
TLSH T152E40A7F19BDA2279175C6F58BE38827F0108B6F3110692476D347264322A7AB5F336E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase order # 3061552371.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 06:55:41 UTC
Tags:
trojan formbook stealer phishing
Link:
https://app.any.run/tasks/c6d842d0-7b0b-4426-9365-b2deb651a6c8

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/183523/
Detection(s):
Sanesecurity.Rogue.0hr.20210830-0705.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f01e1f2f-746a-4add-9bd2-d9c9c0b57cf1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842086
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474520 Sample: purchase order # 3061552371.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 31 www.shaneau.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 purchase order # 3061552371.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\purchase order # 3061552371.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 purchase order # 3061552371.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 impactaccountingsolutions.com 69.20.104.42, 49752, 80 RACKSPACEUS United States 18->33 35 www.jerikocreativehub.com 209.99.40.222, 49750, 49751, 80 CONFLUENCE-NETWORK-INCVG United States 18->35 37 8 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 systray.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 06:11:04 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gouxaludrccjq6m4afcohi5ma3qjlksfftqgnibkhbqnzwinno4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ae1df4d50a7ed640973980699737b85e8947baef0087c511b4b1ebf8bdc22ba
Formbook
1c0a0e62b6945e4613b04e61cfc76b876d647b632ccf5d72d9d1e24fa967550f
Formbook
37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
Formbook
5ffbe2b24599383732373e34a80cd2cf864d806595d80dfc1e1ae3af83065780
Formbook
6935472304f1b2e4e19ca521bf82ef1064f62ced4bf0ee3d1b6eac32a3f4b61f
Formbook
6f536ae781fd98358126408aa6991b4bb3ec3f9940929a22b25f785b71ec770d
Formbook
eeb09100ff7eb31eb91735290de6a3cfe364b50365f4713aef21f7cf3db5744d
Formbook
+ 8'571 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:imm8 loader rat
Link:
https://tria.ge/reports/210830-rjkxr3mmqs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.impactaccountingsolutions.com/imm8/
Unpacked files
SH256 hash:
19ad8f76ee9b6aad9de40d81efac29db12f45a1acb3af6be469ef6ec7ed1b2ac
MD5 hash:
079e47880b0579fdcb175f07bdbec8f2
SHA1 hash:
8a5e1704451077421f748b5c93b50cdb5a39bc52
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/be7c58b4-44cc-439a-81ea-7db1c4cacfc4/
Parent samples :
0ae1df4d50a7ed640973980699737b85e8947baef0087c511b4b1ebf8bdc22ba
eeb09100ff7eb31eb91735290de6a3cfe364b50365f4713aef21f7cf3db5744d
37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
b5a2c6ad35eae14ca13d811a3a1a445fabee8a8aa63625f25520375a20fe44bd
87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed
21d66e706ba5aa94f0c778ec914896b5c26db0c14ec93822cbe00525c2139845
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/be7c58b4-44cc-439a-81ea-7db1c4cacfc4/
SH256 hash:
c251e65587aa5ccf896670deffd5badf1947daff0044dd954f6bdffd9adad2f3
MD5 hash:
ef1b19d4981e4742408ebbc0c36e11d8
SHA1 hash:
674b2e507bb300612c306bfaebcabd0b8b81b507
Link:
https://www.unpac.me/results/be7c58b4-44cc-439a-81ea-7db1c4cacfc4/
SH256 hash:
33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
MD5 hash:
d13fe90ba28506d6da905387249bc084
SHA1 hash:
ae86ea40fa1532425e7af51c4356a07d75303f91
Link:
https://www.unpac.me/results/be7c58b4-44cc-439a-81ea-7db1c4cacfc4/
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/33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8

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_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: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 33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/183523/

Comments