MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856
SHA3-384 hash: 5884ce962b9d7e055bd102ec69474a44241f7bc9081fea21b7cd772d5ba29e17333bf30c28ef0aa1f6a74ee0cdcb1822
SHA1 hash: a7465fdbeaa1a60129ac3320a815e9ebdc7ba3c5
MD5 hash: af112badf65b6d025a07fa95da6e9f20
humanhash: alabama-two-apart-uniform
File name:af112badf65b6d025a07fa95da6e9f20
Download: download sample
Signature Formbook
Create hunting rule
File size:1'304'576 bytes
First seen:2021-12-06 07:08:18 UTC
Last seen:2021-12-06 08:58:45 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 24576:YcHC2MP6Pct4dJa1gZh9RRzSB9Ygr/Gd4jnf/g2RqQf:YcUAsg9MF/Z/g29f
Threatray 12'482 similar samples on MalwareBazaar
TLSH T1DA55BD2C21754967ED3C1A7514428B3B5EF04C3DA9A7E3CD3B4435AF9AB16840F2A2ED
File icon (PE):PE icon
dhash icon 86e8c0c8ccd89ce6 (18 x AgentTesla, 18 x Formbook, 8 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
trail order x catalogue.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-06 06:33:41 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/54ac70f2-3c9a-4d74-b4a3-431c147cc144

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/211654/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FSG.genEldorado.2115.4472.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61adb7114d8e6f3a5e13d07d/reports/289a0c45-d31c-4cb4-a05e-b014f43a23e9/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6463cbad-1c7f-4ce5-9d28-2f7f04d00a26
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/902012
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
Sigma detected: Conti Backup Database
Sigma detected: Disable or Delete Windows Eventlog
Sigma detected: PowerShell SAM Copy
Sigma detected: Suspicious PowerShell Invocations - Generic
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: 534487 Sample: hR7Em4PMvz Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 9 hR7Em4PMvz.exe 3 2->9         started        process3 file4 26 C:\Users\user\AppData\...\hR7Em4PMvz.exe.log, ASCII 9->26 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 13 hR7Em4PMvz.exe 9->13         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 Queues an APC in another process (thread injection) 13->60 16 wlanext.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        28 www.toesonly.com 185.107.56.60, 49830, 80 NFORCENL Netherlands 19->28 30 www.federaldados.design 19->30 32 2 other IPs or domains 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-06 07:09:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
Formbook
42173f59707de5929c3bc6cd37d5e0dc55d990bce2c29aa6deac6e86c3eec250
Formbook
4bde2d0abed748c6fb8620ab890cbb09fa5749c4ef749e8cd5c6c7dd40cfd37b
Formbook
5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c
Formbook
60ff626adc6a02e50f060f456b0b7f8a11577e923624b3fa8c009d758892439b
Formbook
69169d89d7b806d4e42f45dc20447e2d8657cb7f5425b08fa35d6cdd1f303be4
Formbook
85601ede72b1c348db5663e3782e7b3f3157c2356e2c90b769bb2afc2d476e4c
Formbook
+ 12'472 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:9gr5 rat spyware stealer trojan
Link:
https://tria.ge/reports/211206-hysqjadean/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.cuteprofessionalscrubs.com/9gr5/
Unpacked files
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
Link:
https://www.unpac.me/results/4da975f9-3871-48bf-9897-2b2506c909b9/
SH256 hash:
0f83f727c8cd088ca6134f1bdaaf700492c3f6f7e01c8e94f1acd04dd27f8929
MD5 hash:
01c7a0d331241ec260be300a86e0e9e4
SHA1 hash:
c0b0acd2c7f1c5da719167d4a3a677473cab2545
Link:
https://www.unpac.me/results/4da975f9-3871-48bf-9897-2b2506c909b9/
SH256 hash:
20b043001e2a32b70de6d177a955979c50e7e5024abba2dd94e4a1d542f78671
MD5 hash:
fefca1da5f8b661869b93c205c087d21
SHA1 hash:
55451475d933e516b7666c7d73432b35a87b5eeb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4da975f9-3871-48bf-9897-2b2506c909b9/
Parent samples :
4bde2d0abed748c6fb8620ab890cbb09fa5749c4ef749e8cd5c6c7dd40cfd37b
60ff626adc6a02e50f060f456b0b7f8a11577e923624b3fa8c009d758892439b
69169d89d7b806d4e42f45dc20447e2d8657cb7f5425b08fa35d6cdd1f303be4
259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510
42173f59707de5929c3bc6cd37d5e0dc55d990bce2c29aa6deac6e86c3eec250
1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856
SH256 hash:
1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856
MD5 hash:
af112badf65b6d025a07fa95da6e9f20
SHA1 hash:
a7465fdbeaa1a60129ac3320a815e9ebdc7ba3c5
Link:
https://www.unpac.me/results/4da975f9-3871-48bf-9897-2b2506c909b9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856

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 1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1857660/
Cape
Cape
https://www.capesandbox.com/analysis/211654/

Comments


Avatar
zbet commented on 2021-12-06 07:08:19 UTC

url : hxxp://198.46.199.153/090341/VBC.exe