MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46
SHA3-384 hash: 7230c3b045d981b9bbf33c323d442ec5c00f62a62b55c7a03bec3efac69583c9cfcc3877e81897a2a063b367d4c788f5
SHA1 hash: c74dd8bf5f6a93767558ef562b8d1799fdabb2a9
MD5 hash: 334ddeb9827b8610fc67191288ac939e
humanhash: twenty-emma-march-arkansas
File name:334ddeb9827b8610fc67191288ac939e
Download: download sample
Signature Formbook
Create hunting rule
File size:777'728 bytes
First seen:2022-04-14 11:15:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ddlw2iNDNUZbm3MY8x1s6rgkElBOsBFB8LKD8lGNJLJ8Vj4/9heJ3Hm690vFwd:21kZq3MNJQ3qLKDHNIVj4Hetnu
Threatray 12'263 similar samples on MalwareBazaar
TLSH T1DEF41215E2CD2EE6D01A03BA5DB0D1016669EB16996ED8153EFBB04FA273BD32470C4F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
NSH- TRADERS RFQ2203-20825.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-14 05:47:27 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/42b57b14-3adc-4595-b304-5afb5d281b39

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/263671/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/6258028a482f2f41caad9c50/reports/b851a847-dd98-4535-ba77-d6f09d78ad8c/overview
Result
Verdict:
MALICIOUS
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/707e2a8c-0cd5-4e82-a515-d4c009f1a938
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976886
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609369 Sample: g0Egrzrn7Z Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 45 www.affordablebathroomsbyfrank.net 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 11 other signatures 2->59 11 g0Egrzrn7Z.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming37zklnyH.exe, PE32 11->37 dropped 39 C:\Users\user\...39zklnyH.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp74DC.tmp, XML 11->41 dropped 43 C:\Users\user\AppData\...\g0Egrzrn7Z.exe.log, ASCII 11->43 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 65 Adds a directory exclusion to Windows Defender 11->65 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 15 g0Egrzrn7Z.exe 11->15         started        18 powershell.exe 24 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 www.rapibest.com 199.192.31.5, 49818, 80 NAMECHEAP-NETUS United States 22->47 49 www.samedaycash.loan 188.114.96.7, 49820, 80 CLOUDFLARENETUS European Union 22->49 51 4 other IPs or domains 22->51 61 System process connects to network (likely due to code injection or exploit) 22->61 30 cscript.exe 22->30         started        signatures11 process12 signatures13 71 Self deletion via cmd delete 30->71 73 Modifies the context of a thread in another process (thread injection) 30->73 75 Maps a DLL or memory area into another process 30->75 77 Tries to detect virtualization through RDTSC time measurements 30->77 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 16:21:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
28bae65cec413f6c0dcb0df2b34f0a9cb4a53ea246de0fff2baee4a98d8551d2
Formbook
33d9ff922b2b34291e7e84fee8cb11062f4e1eb56cff714fca88f8fa5b507c09
Formbook
574fa65d6f75e60274434f27f9f28f439c093ba8ba7eb8303a441a5e851d70c8
Formbook
7c88273247fcb72cc63b4153e079d0b034f9065ca14c4918e1519773ca27144b
Formbook
8e7a6dbb2098baeb2669737e69b40625b4b046ab8145acc530c21bedab7f223d
Formbook
95c6926c4af01e7a782b16967a66b3c349f24a6ab2393b1a20c47e28a1ad7249
Formbook
a102818080dee054dc3006ca676c09a7c0b398e0fa29164d86ee0978cd38d183
Formbook
c08029bf515af0b640fb4fcdd2d0805cd88f953cbff0315f325a4869d662678f
Formbook
d36aed39f3fb785951a4e948bcb4f86033a398ee0ddfef85040564751918b669
Formbook
+ 12'253 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:r87g loader rat
Link:
https://tria.ge/reports/220414-nc5e4ahgf3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
39e441a543904b641526982d9a068086c6617c7634d6fbf23afa95e2c2d17ba0
MD5 hash:
a6988e39e88adaf61eec4ead2f094c39
SHA1 hash:
69f894fe81864a6872219ae63abc3d20f8a1af4b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/43f2d038-ce98-430e-bc92-dfe3aff058a6/
Parent samples :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 hash:
1c4887454a749236e7f09798e25ad20ece1a8e1c73207a95d02b1e6c2b65ae07
MD5 hash:
fd30c3a35b2d833bcccd7d8398b8c529
SHA1 hash:
fe3671a5c1f855886ff143dc5389bcdf4e0f8409
Link:
https://www.unpac.me/results/43f2d038-ce98-430e-bc92-dfe3aff058a6/
SH256 hash:
bdd83cf70418f3e2d26e9f11e839cdf7a007648fb480e74345b6b2364187a61c
MD5 hash:
0d13f5295dff7abeb2e6e076d513e2ac
SHA1 hash:
54dbbcf10a2e88263aa54bd6c0e1bfd60b4ef153
Link:
https://www.unpac.me/results/43f2d038-ce98-430e-bc92-dfe3aff058a6/
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
Link:
https://www.unpac.me/results/43f2d038-ce98-430e-bc92-dfe3aff058a6/
SH256 hash:
ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46
MD5 hash:
334ddeb9827b8610fc67191288ac939e
SHA1 hash:
c74dd8bf5f6a93767558ef562b8d1799fdabb2a9
Link:
https://www.unpac.me/results/43f2d038-ce98-430e-bc92-dfe3aff058a6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46

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: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 ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2147060/
Cape
Cape
https://www.capesandbox.com/analysis/263671/
  
URLhaus
https://urlhaus.abuse.ch/url/2148217/

Comments


Avatar
zbet commented on 2022-04-14 11:15:36 UTC

url : hxxp://192.3.22.31/46/vbc.exe