MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693. 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
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SHA256 hash: 7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693
SHA3-384 hash: b1b9b768d1fabca17312e30478f7707ec91a7dcc0d05b02237de0d8ad65521941bf5dcd3f2dd9fe23d6cac69fc70b554
SHA1 hash: 4df5d609ea5b05dfcba4b9e51120a10374f7d450
MD5 hash: beee308b51db0c02f8eeebf7d2773a6d
humanhash: timing-double-fish-arkansas
File name:grace $.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:494'080 bytes
First seen:2021-09-03 03:38:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:xjQxFwVygVZcnxaRjV1p/EX66D70vhWzwl7M:OUoi1JEq6kvawlM
Threatray 8'841 similar samples on MalwareBazaar
TLSH T138B4230CDB546B3BCAE8C4BD709384A447B9A58F7727E78DAA4E11AC46123CCCC512E7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
grace $.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 03:39:40 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a0a0e584-b677-489b-869f-45c37c721669

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/184997/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Launching cmd.exe command interpreter
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9ea7029-00c7-4440-bd1e-53d8f2c01c9e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844492
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 476923 Sample: grace $.exe Startdate: 03/09/2021 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 8 other signatures 2->42 10 grace $.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\grace $.exe.log, ASCII 10->28 dropped 52 Writes to foreign memory regions 10->52 54 Injects a PE file into a foreign processes 10->54 14 RegSvcs.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 gabrielabravoillanes.com 186.64.117.145, 49724, 80 ZAMLTDACL Chile 17->30 32 www.services-24hras.com 54.38.220.85, 49725, 80 OVHFR France 17->32 34 11 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 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/7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-03 01:59:33 UTC
AV detection:
14 of 43 (32.56%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=plztlszkezdn3lprf5zqlbncc5jd3kdivlvrfotcdm3hyg4ue2jq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4796e12d5a33b3b717b0ddc65286b9de7479e86bc91cc0bdb843722a5b62951b
Formbook
55e967fecbdcb5166af6a5a6b8d09db0ca26582ed70d170a248a4d1e69c9a8c9
Formbook
5e5f76b60e8eb895e5af44be8ce40f88b77a44840851f761e6818da652ae5cac
Formbook
6db6324fe282260a224e77fff9bdad3240a63d48ac587f2a701785ea69c317a5
Formbook
a086821049463b0bfc414cb3763c4f82688182d2d018ae5c9cd472f59f9e36ff
Formbook
aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda
Formbook
ab4795f656b54e9388c89d6a4df52747510fa418bdb50aa3bafd7b332ef1ff81
Formbook
f7e96b7c6612b709e413bbc8c72796cadbb7ce91ed17ec77d5ba4d4422e729cb
Formbook
+ 8'831 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:t75f loader rat
Link:
https://tria.ge/reports/210903-d7mtescab2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.vertexnailsblaine.com/t75f/
Unpacked files
SH256 hash:
034c645316c78acb2b9110f9bfd8b840b981489bab385e8c39912ec5c7c4f1c9
MD5 hash:
d17b3ace9f0ca124101674d27328cbf6
SHA1 hash:
8ed2472b79df133a2d6cc73cbed726c444b91bff
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/29877820-c703-490c-bc6d-2514091f320b/
Parent samples :
7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693
5bc9d0c8fd02f1c138178b1291378304a653717076f9e12ba4334609dcf7b11c
c840ee368fcab5974485c16fc456b1dc1923cc5e113ce6a96f6f314a7ec5ac94
34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9
4a91d8f52d07bcd7fde157c6b56e2881c4abba94a0f7921633da4ae2bba53074
43d831616e23a03c055971bc1c7c9ae0e87f491976e72ce8fa0074610f004488
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/29877820-c703-490c-bc6d-2514091f320b/
SH256 hash:
0626d04edc5c081a281bb0ce961025a68b38ab1dc2fb06e5d03587dac8fcf978
MD5 hash:
1f6a7fb2a3df27d9e72afe2b8c3e3fd7
SHA1 hash:
2aedaf34fa636047a24db2ff31f203cdc121efe5
Link:
https://www.unpac.me/results/29877820-c703-490c-bc6d-2514091f320b/
SH256 hash:
7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693
MD5 hash:
beee308b51db0c02f8eeebf7d2773a6d
SHA1 hash:
4df5d609ea5b05dfcba4b9e51120a10374f7d450
Link:
https://www.unpac.me/results/29877820-c703-490c-bc6d-2514091f320b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7af335cb2a26/report/overview.html
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/7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693

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.

Malspam

Formbook

Executable exe 7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184997/

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