MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6. 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: e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6
SHA3-384 hash: 3a68f618a5c8469f581f793fa9272da4dc07853ad48bff521822801eb3633ccc6c207094c6c2985279e1fa4fc9716cae
SHA1 hash: 5195443ab0c20c2b192aa18e911a002363069c64
MD5 hash: 83cc8405d694c0e1b3d7211202265f00
humanhash: nevada-ten-idaho-colorado
File name:83cc8405d694c0e1b3d7211202265f00
Download: download sample
Signature Formbook
Create hunting rule
File size:1'034'752 bytes
First seen:2021-08-19 09:02:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:f0E8O4S5OSFxksDc9F3nC0Py3gAhQepWIQbJZTA60Y8N8mHLDBZ0jsx88G+6wVyL:fGpqpWNDGL9qwx8dB2
Threatray 7'995 similar samples on MalwareBazaar
TLSH T1D525273C15B83A27D0BAC366EBE18417B1A094AF7121ED59A8DE43A70743B4775C723E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IBDETIN.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-19 07:00:55 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/cc2fa6e9-98cf-4926-a116-ad0fd072bf28

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/180617/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.998-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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/45077cdb-0873-4665-bdf0-ffd1530ab72c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/835663
Signature
.NET source code contains very large strings
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 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: 468106 Sample: zg41Dt4WhE Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM3 2->40 42 5 other signatures 2->42 10 zg41Dt4WhE.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\zg41Dt4WhE.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 zg41Dt4WhE.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 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 foeweifgoor73dz.com 34.102.136.180, 49718, 80 GOOGLEUS United States 17->30 32 www.verdijvtc.com 45.15.155.20, 49722, 80 DEDIPATH-LLCUS Netherlands 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.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/e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-19 09:03:04 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
049f2bcbaa6d18cf9ee22b12c47ba8578c938d04df6d35a3c4cd3ed81fdcf4ab
Formbook
1bb79d3f58130c38c2d1c54737aaa69bfdf5693cf6177efaac78377020b86ad6
Formbook
2f4d0e2ce90ab2c35dcba4c85e38346eae6ac2cef0f939ccdd21cade4d6343ca
Formbook
55d713c0259fec5f0e64aa9f01d63ee1db90b60960e3b61b11e36bf1cd0fd2f1
Formbook
a03ebb1ad2450b07206923043ad865cb83e1d4798a9273704a9626854fd17399
Formbook
a53a4c82477eada893191662cf4ab4b3f44d1da7cae9ea8a7de3f859a424292b
Formbook
e65ddcb1e8d85b5d13ab1aaf5d9747feea1e3e442ed82773640d740627f4d7ca
Formbook
f10508b4bd982e597771e6128fede0b532c42cb799ac495c922940c27a942dbe
Formbook
+ 7'985 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nff rat spyware stealer trojan
Link:
https://tria.ge/reports/210819-vryzcnsvn2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yellow-wink.com/nff/
Unpacked files
SH256 hash:
9bbf51c1a15456a58ccdff3b2097a5193232ba95caea3880b64fe470426b5406
MD5 hash:
4ca0a642696e18709bafdb582371ec4a
SHA1 hash:
4cddb38874d2550785c5fc67a0fe245920b7595e
Link:
https://www.unpac.me/results/935271f7-adc6-45f7-b923-a6e418ffcb9a/
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/935271f7-adc6-45f7-b923-a6e418ffcb9a/
SH256 hash:
cefb4fa9d8f118ece98e8e9da00644e3d086058903f64721335b513af69b0892
MD5 hash:
7413d26f5700cfee7acdf5c6f5c5d89c
SHA1 hash:
05906b80d83de78d0bee721893f69be0ceb608a9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/935271f7-adc6-45f7-b923-a6e418ffcb9a/
Parent samples :
e65ddcb1e8d85b5d13ab1aaf5d9747feea1e3e442ed82773640d740627f4d7ca
55d713c0259fec5f0e64aa9f01d63ee1db90b60960e3b61b11e36bf1cd0fd2f1
5e8297dde5b002b5304bf70d6e33db9bbd40cda37f0e02edaddd732657f6ac32
a03ebb1ad2450b07206923043ad865cb83e1d4798a9273704a9626854fd17399
a53a4c82477eada893191662cf4ab4b3f44d1da7cae9ea8a7de3f859a424292b
e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6
SH256 hash:
e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6
MD5 hash:
83cc8405d694c0e1b3d7211202265f00
SHA1 hash:
5195443ab0c20c2b192aa18e911a002363069c64
Link:
https://www.unpac.me/results/935271f7-adc6-45f7-b923-a6e418ffcb9a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6

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
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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 e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1545032/
Cape
Cape
https://www.capesandbox.com/analysis/180617/

Comments


Avatar
zbet commented on 2021-08-19 09:02:36 UTC

url : hxxp://103.171.0.73/Networking/.svchost.exe