MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e
SHA3-384 hash: 3b06da54466dfa149ef634b22e8c4a8a75210421e5dbda983fd47abc8dd50bc7e45360afa9d3da768f17f677362fcd45
SHA1 hash: 78999f5794af07e10001ef629e13884f825c4f6f
MD5 hash: 34b88efaa959d3edeab358be0b28fae8
humanhash: speaker-lima-mike-oregon
File name:34b88efaa959d3edeab358be0b28fae8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:416'256 bytes
First seen:2021-10-06 09:33:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:/sDnZQ+3HwORBh6xFx3qo0dAbswYtB6kiS9hJKE9zX3xO+9zsI9t0J:unqongfaLJBJFGE9zXhh9H9
Threatray 9'932 similar samples on MalwareBazaar
TLSH T11A94F12CA7274654CC3B47F02C04ABA25B746D26112BD3784B98E4FE3FA77B45ED0652
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
34b88efaa959d3edeab358be0b28fae8.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-06 09:54:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/519da072-7cb6-4cdf-8ec5-ea21f28ea7c8

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/195434/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615d6d52e3d213d202b8588d/reports/96f3a440-4733-406e-b68a-9015b2792a2f/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/39b297af-5cb3-4eef-a70c-656d7492a0c4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865402
Signature
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 signatures2 2 Behavior Graph ID: 497831 Sample: pmvJAhEzd3.exe Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 pmvJAhEzd3.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\pmvJAhEzd3.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 pmvJAhEzd3.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.veeboruto.com 103.224.182.210, 49831, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->30 32 www.grampianscottages.com 202.124.241.178, 49803, 80 NETREGISTRY-AS-APNetRegistryPtyLtdAU Australia 17->32 34 10 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 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 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 23:24:06 UTC
AV detection:
18 of 43 (41.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5f3ccb49e66ef3bf10ec0a226360f55238063c739154cb131407ff02d0706e67
Formbook
6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
Formbook
6bcdb1b6795c22308aee5d390cfae409d21a3238a304466dd54c1dee43570afd
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
a1f0e0eb6e2c24c99e3f61ff818a1cba483e8906d7a9c3ebbc041f2b039e55f0
Formbook
dcee55c9896715272cfd344a7a62fe6c5dbe0e61d7d8548beeda46c15bd8e07c
Formbook
e14df53adff2889344d4502133a00a389e06039715c26a7724ed3f046fc683a1
Formbook
eb39b7952714c4a7c7fbfc68a077ef0a2dd31c24da35078da08bcfc0b1e2ff32
Formbook
f34b081e06b7cfcdabd9055fad7790bc66a20d62846172a24f914bf2d5298432
Formbook
fedeb19031bcc0941b0943dd3ed45ee6095b8c489c072c85e513b414abf8acf5
Formbook
+ 9'922 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fkt8 rat spyware stealer trojan
Link:
https://tria.ge/reports/211006-lkfqlaahh3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.grampianscottages.com/fkt8/
Unpacked files
SH256 hash:
135c9f3c8f8092d70cec25ed29f7b1666846d088d0ff91fa2625928207133c99
MD5 hash:
8c9e4251ca98659375a95984eeeaddfc
SHA1 hash:
a00deb7a98ebc35e52c828a350ebbfd4c21edc34
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dd84a706-ebe7-4836-a357-af9a56b28c5e/
Parent samples :
eb39b7952714c4a7c7fbfc68a077ef0a2dd31c24da35078da08bcfc0b1e2ff32
5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e
ff64ff314c7947e5faae8181ac818b124a6d17d0fc3a66e8777a78a613d6093c
dfbb8dc13848a4763fddee0be94415ef938755656c54e3f151995e2d50f251dc
c32b5b1c2a90a6a38f7dc2dcb4541c111fa1ddc39eab5f0173205aa4079cbc5e
2776237004407d8c72906ce72050cda1b0d9abeb20e313abf7a98e6fea03ce8d
SH256 hash:
03c5d87c919d10d97984cc9f1b3318465fa9cc45c75800117021eedac1d8d35e
MD5 hash:
9bd56d1239e35e9f7f3f97a93fc67e4c
SHA1 hash:
8268283e2686ab6e2f7f038d8241e4845f1b72bd
Link:
https://www.unpac.me/results/dd84a706-ebe7-4836-a357-af9a56b28c5e/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/dd84a706-ebe7-4836-a357-af9a56b28c5e/
SH256 hash:
5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e
MD5 hash:
34b88efaa959d3edeab358be0b28fae8
SHA1 hash:
78999f5794af07e10001ef629e13884f825c4f6f
Link:
https://www.unpac.me/results/dd84a706-ebe7-4836-a357-af9a56b28c5e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e

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.

Web download

Formbook

Executable exe 5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1639332/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195434/

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