MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045
SHA3-384 hash: 2e5f9f6e579bfffb0a1efb0a6a2538af01d415fe85cb073760bb2bf6412a9c7c22b70e39583dc4bf5bf04a7137dd41e1
SHA1 hash: a3b3152dbea14ed71a5e226a123433dfc3ecb60a
MD5 hash: 204e0bf841b9900fa03d6dff302857f3
humanhash: spring-summer-july-lemon
File name:204e0bf841b9900fa03d6dff302857f3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:770'560 bytes
First seen:2021-01-26 15:53:58 UTC
Last seen:2021-01-26 18:13:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LyooVOHfNbxp8pay/ORjp1C0kCeVxxQqR:LyooV2/8SR1Y/h
Threatray 321 similar samples on MalwareBazaar
TLSH 89F402866AC117B0CA90F8B257F5657D4BE0AEEFB012E33A595437E0CE303C568CA567
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
204e0bf841b9900fa03d6dff302857f3.exe
Verdict:
Malicious activity
Analysis date:
2021-01-26 16:06:57 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0574c675-b37b-4d65-b1a7-40a151045f04

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/113956/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42783.18303.28212.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/590976
Signature
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 signatures2 2 Behavior Graph ID: 344528 Sample: 4NoiNHCNoU.exe Startdate: 26/01/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 3 other signatures 2->46 10 4NoiNHCNoU.exe 15 4 2->10         started        process3 file4 30 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\...\4NoiNHCNoU.exe.log, ASCII 10->32 dropped 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->60 62 Injects a PE file into a foreign processes 10->62 14 AddInProcess32.exe 10->14         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 2 other signatures 14->70 17 explorer.exe 14->17 injected process8 dnsIp9 34 www.monalizacos.com 216.24.179.55, 49766, 80 IT7NETCA Canada 17->34 36 ghs.googlehosted.com 216.58.207.179, 49761, 80 GOOGLEUS United States 17->36 38 7 other IPs or domains 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 help.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-01-26 12:14:24 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
14d9c9f0dbe84637aad5dca71f874b7fd2c11e7b476c4da126090c23b8e95536
Formbook
2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312
Formbook
3d9b59ef7e396dcbfbb58069b1876d6b85e111c7e36b6a302cf4e955fb711a29
Formbook
43ef60cadb56aed45b964b3f85827c9557b49f400a972f1cf9e16566e5dcf2d7
Formbook
761e77be2bbf6089f04b1901c44548bd4ff5ac873a74b1ca0e0604bb902eff22
Formbook
77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3
Formbook
c1e6cafdf311804c6d5a427de9f61965c223ae33fac564f33300f2a477ae8cd0
Formbook
e0fdf86fc02f69f4c0f9717f216bfc704a07926df45ac979e7aaf4bfa44f69f2
Formbook
fbc1e4ec22cd7339eb5fbc8d64320bb825f411e3c6ade350705586bfab4e1808
Formbook
ff68f0b8908d33ce1a3eb32cc1478e911b4e9dd853371f62a604fb366b274234
Formbook
+ 311 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210126-sf26whaa4e/
Behaviour
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.artdonline.com/wdva/
Unpacked files
SH256 hash:
739eac3ce58cb2de7613b1e8c0558902d6c58b05473f6da07a94944c9260bd66
MD5 hash:
9262b6e4aef09076bacbd665033d8f96
SHA1 hash:
8c62544a191f6603a058d2ee18d8a3f62fcd2e93
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/95ad1992-8f1d-4b9e-9de0-1fcc58f3c8dc/
SH256 hash:
a60900adc31e8e28ff541b91a55de5d9719c0d1ddc3022eb6f6fb5ac19cc9e4f
MD5 hash:
831fb0609b3509b4fb31ac662ac69217
SHA1 hash:
985c33fa2b01e305995e2ea166b961b01f0f6335
Link:
https://www.unpac.me/results/95ad1992-8f1d-4b9e-9de0-1fcc58f3c8dc/
SH256 hash:
1ffac68def5ce68f650ac8229d3a40e9ac1fc89adeddc9a6041c3dcebb6d1933
MD5 hash:
8503258c9fb8f1519204a2f9a4ccd873
SHA1 hash:
63a62f152f2fe8d79aa29eb3133ba180b03ed416
Link:
https://www.unpac.me/results/95ad1992-8f1d-4b9e-9de0-1fcc58f3c8dc/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/95ad1992-8f1d-4b9e-9de0-1fcc58f3c8dc/
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
Link:
https://www.unpac.me/results/95ad1992-8f1d-4b9e-9de0-1fcc58f3c8dc/
SH256 hash:
2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045
MD5 hash:
204e0bf841b9900fa03d6dff302857f3
SHA1 hash:
a3b3152dbea14ed71a5e226a123433dfc3ecb60a
Link:
https://www.unpac.me/results/95ad1992-8f1d-4b9e-9de0-1fcc58f3c8dc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045

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 2ba9185ecb7b43e54242e560724993fbf5e24c3e1acd57889ac9dc305e934045

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/978945/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113956/

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