MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555
SHA3-384 hash: e1f6e31b989a9a0abba66a62de8ed35ea0de0736fc8b9c1ed2df075107d6eda857318eb16fc3be071909f98cb5b0acf1
SHA1 hash: 5892f42bc2ddeea096cdaef0ad6329728473895f
MD5 hash: 9beb0eae8a590f58d5382267b06d047f
humanhash: robin-carbon-shade-purple
File name:SecuriteInfo.com.Variant.Razy.820883.21352.28732
Download: download sample
Signature Formbook
Create hunting rule
File size:735'232 bytes
First seen:2021-01-04 20:49:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:e+j7oeZIqh7x7Y4yUTt4INwKkqaO/6OfvYpVZ:FjMeHhxnPNwOipHZ
Threatray 3'288 similar samples on MalwareBazaar
TLSH FFF4BE07BB854791C490B5B743EAEB721365FDD722C2872316D9AFA3B9733C2290E245
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-JQ1125742021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-04 17:50:27 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/1c47a01b-399f-4bc3-b346-37e8dce2f009

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/110448/
Detection(s):
SecuriteInfo.com.Variant.Razy.820883.21352.28732.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
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
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/573764
Signature
Allocates memory in foreign processes
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 335944 Sample: SecuriteInfo.com.Variant.Ra... Startdate: 04/01/2021 Architecture: WINDOWS Score: 100 31 g.msn.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected FormBook 2->43 11 SecuriteInfo.com.Variant.Razy.820883.21352.exe 4 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->29 dropped 53 Writes to foreign memory regions 11->53 55 Allocates memory in foreign processes 11->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->57 59 Injects a PE file into a foreign processes 11->59 15 AddInProcess32.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 classonlinepy.com 162.214.103.133, 49742, 49769, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 www.bestfraseology.com 64.98.145.30, 49746, 49771, 80 TUCOWS-3CA Canada 18->35 37 22 other IPs or domains 18->37 45 System process connects to network (likely due to code injection or exploit) 18->45 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555/
Threat name:
ByteCode-MSIL.Trojan.Razy
Create hunting rule
Status:
Malicious
First seen:
2021-01-04 20:50:09 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e6c9ec44aee5518a67ba5b5beda49639a715f191bb77099ecd57e326fc0d811
Formbook
2919a5d96ade5e0f2967d98a7b49b1f612435ed6a6b3843424a8c1e99ea0e9ab
Formbook
641c0aa7cf4d3a8dd646a8a295e8c3f66ea01eb4bc86547c90b52390ca04c2b9
Formbook
6526a7eed94f5bff8a1c8b3d9d0aca202b72102edb7beec08644ff9ba06e00e2
Formbook
7a847a23a2407172035d5eeb7fe1117c851b2947e133c1ca3a236293e5fc5432
Formbook
80647f6b0ee0d8b14ba78bbd6cbfdf6e332692af7eb0f3348fc76facc4ad23ef
Formbook
9166caa8818f4cc62ac7922d901d396e17c0ff0867c48d52bd891b05121abafd
Formbook
bbd660181713b47240cc63e19eeb05480de79422be73d133113b6472dc17c924
Formbook
f1c600a86d9492512f5c80574f885bc0b2c0f058419f58b1c8800eb6e1502713
Formbook
fda9bc94b5b0819fb153117c4a037262264d7d22d2610eafd45c7fbfd4765c7b
Formbook
+ 3'278 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210104-3slb5e4jvn/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.foundyourhuman.info/onga/
Unpacked files
SH256 hash:
144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555
MD5 hash:
9beb0eae8a590f58d5382267b06d047f
SHA1 hash:
5892f42bc2ddeea096cdaef0ad6329728473895f
Link:
https://www.unpac.me/results/a0bfedcf-060c-41af-ab4c-3dc5528130b1/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/a0bfedcf-060c-41af-ab4c-3dc5528130b1/
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
Link:
https://www.unpac.me/results/a0bfedcf-060c-41af-ab4c-3dc5528130b1/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/a0bfedcf-060c-41af-ab4c-3dc5528130b1/
SH256 hash:
1ffac68def5ce68f650ac8229d3a40e9ac1fc89adeddc9a6041c3dcebb6d1933
MD5 hash:
8503258c9fb8f1519204a2f9a4ccd873
SHA1 hash:
63a62f152f2fe8d79aa29eb3133ba180b03ed416
Link:
https://www.unpac.me/results/a0bfedcf-060c-41af-ab4c-3dc5528130b1/
SH256 hash:
1997bbd7f0f92e354a95b71fc2c885c7f209d4b4ed24cea0c42c45bfe23be417
MD5 hash:
1761b472500bf20d34aed9cc0997382e
SHA1 hash:
8611f9e9981d9660c46c0fe6a65a3f6f62607915
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a0bfedcf-060c-41af-ab4c-3dc5528130b1/
Parent samples :
9166caa8818f4cc62ac7922d901d396e17c0ff0867c48d52bd891b05121abafd
80647f6b0ee0d8b14ba78bbd6cbfdf6e332692af7eb0f3348fc76facc4ad23ef
f1c600a86d9492512f5c80574f885bc0b2c0f058419f58b1c8800eb6e1502713
144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555
1a2c749fb299acc704d2744fa47b02d2ccc4f9a461be0d5ebaa829824e5fb329
2ce70c12c5b8806fc6b3e507c5ed406599045b20688b456db124b1b685da60d0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555

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:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Web download

Formbook

Executable exe 144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/110448/
  
URLhaus
https://urlhaus.abuse.ch/url/948928/
  
Delivery method
Distributed via web download

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