MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
SHA3-384 hash: 8c70aa267f161c7f542c603fad925c64ab115410bc804ca9f9a8f4438248bb5f27554a51d4a96d0933a167a6ffef51d0
SHA1 hash: 0870abd54c8372c738f29c4092fe8123b45a305e
MD5 hash: f858612dba7ed5eabd87e508083c34f5
humanhash: delaware-muppet-undress-magazine
File name:f858612dba7ed5eabd87e508083c34f5
Download: download sample
Signature Formbook
Create hunting rule
File size:262'217 bytes
First seen:2021-10-05 07:27:30 UTC
Last seen:2021-10-05 10:18:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:F8LxBsho/iuY/Zu9hK+b1A/ccNktx+d0UWyj5J70REgmD:/ho6uY/clb1QcMxX4eh
Threatray 9'970 similar samples on MalwareBazaar
TLSH T145441217A2C05477C2E65AB14C71D3BEA7B7D00054438A47CB842E3BABB41DA5B5F3E2
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 9K10012021FP001.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-01 19:03:31 UTC
Tags:
trojan opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/8f95987d-1074-4a12-a75a-be9ccdb4e6f3

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/194924/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43465.18622.18541.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/615c06a0e3d213d202b76e36/reports/47bd2a39-93f8-4b11-99b6-137373ee71dd/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6c652154-0786-4ad3-93b5-2b05b9df7fb2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864539
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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 dropped file
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 496969 Sample: Exq3dXFDHe Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 5 other signatures 2->42 10 Exq3dXFDHe.exe 17 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\ugnzehc.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 Exq3dXFDHe.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.wildkraeuter-wochenende.com 217.160.0.243, 49837, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->30 32 www.ratiousa.com 17->32 34 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 18.116.226.211, 49832, 80 MIT-GATEWAYSUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0/
Threat name:
Win32.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2021-10-01 14:35:29 UTC
AV detection:
26 of 45 (57.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pr7h2gwt7cx5b76lufr3vr6b36ooxaqcvfvgdmylnf2wtyaakgya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
67cb5ce28fc7e9a5dae6c7be6da453844762fdea43d985cfc761c1ded66487f0
Formbook
6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
Formbook
a2d7a6453efd6b8c31af2e225ae7f93064d44fe328b5bb2e530d820e5e6ca5f8
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
daac858e9ca5b0c8044385c2d94cbef17c41b0bd5c569ad7e03f0a51b4caab7a
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
+ 9'960 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nk6l rat spyware stealer trojan
Link:
https://tria.ge/reports/211005-jaq3gahdc8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.rthearts.com/nk6l/
Unpacked files
SH256 hash:
036a350ce38ae0a3c83955bae112688671db19837d009ee3a0b077b4bac2daba
MD5 hash:
4d1b4ce1162dbe73256a1bc0ac3d58da
SHA1 hash:
39ef9e936b912cfcf3a5fbc04df870ceff63a739
Link:
https://www.unpac.me/results/68c83dce-6856-406a-a103-06da184a2984/
SH256 hash:
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
MD5 hash:
f858612dba7ed5eabd87e508083c34f5
SHA1 hash:
0870abd54c8372c738f29c4092fe8123b45a305e
Link:
https://www.unpac.me/results/68c83dce-6856-406a-a103-06da184a2984/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0

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: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:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1655349/
Cape
Cape
https://www.capesandbox.com/analysis/194924/

Comments


Avatar
zbet commented on 2021-10-05 07:27:31 UTC

url : hxxp://202.91.10.92/wp-content/jfb.exe