MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df
SHA3-384 hash: 7af2ffa111ce4e734d833acfea4c55e6bf99f841280d1fb11a2afc09ff53be73e8178d09e7e2fd80c0786dee937c6f12
SHA1 hash: 02b88eead33b222ff500e59b7a1ad2e635f0a5c7
MD5 hash: 7ded9f125a5cb85288467f51a6c7a798
humanhash: diet-july-orange-quebec
File name:IMAGE_0023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'859'072 bytes
First seen:2022-05-10 04:17:58 UTC
Last seen:2022-05-10 04:38:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:CaiyHF7F7bmWAirOF1f3PTH/2aoaw7T5LOl/kxN/6nT0nMziD6W:Cangiry1f3rH/2aoaGwl/k36nwnOjW
Threatray 15'170 similar samples on MalwareBazaar
TLSH T19185E05B2B84A921C2BE2B70563C75A0C3B124CE6BA9C35F58C7B1D66B7634E7BC05C1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMAGE_0023.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 04:19:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2f64e123-29d1-4c74-a8cd-c3dff5dd7e7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.3531.32453.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Adding an access-denied ACE
Launching cmd.exe command interpreter
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6279e77ca40dfc4df212028d/reports/5f6e968a-fb4f-455d-8fbe-f47431a5afea/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c9f015e6-45f6-45b4-8c9e-8a0e14907bb7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990686
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 623182 Sample: IMAGE_0023.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 36 www.smonique.com 2->36 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected UAC Bypass using CMSTP 2->50 52 9 other signatures 2->52 12 IMAGE_0023.exe 4 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\IMAGE_0023.exe.log, ASCII 12->32 dropped 34 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 12->34 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->60 16 RegAsm.exe 1 12->16         started        signatures6 process7 process8 18 tasklist.exe 16->18         started        signatures9 38 Modifies the context of a thread in another process (thread injection) 18->38 40 Maps a DLL or memory area into another process 18->40 42 Sample uses process hollowing technique 18->42 44 2 other signatures 18->44 21 explorer.exe 18->21 injected process10 process11 23 cmd.exe 21->23         started        26 autoconv.exe 21->26         started        signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 04:18:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
142
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2t53zsqzar2ukehxryglk6yddac4vz4aqpknha6uygeh7q2phpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
002ea0849da3c63ce6c09c084567e9470c3616084ef19402316e9d52f35c62a7
Formbook
365513da20efb05517fcb10a348acb39e3391a5ec8cb44c8a6f15253e661b401
Formbook
3bc803f9caaeca99da460ce804bfc9bf4cb8c1dc33d08016002e4fe7263a6111
Formbook
3bdf54d6b07a96a026ed34f1db8d5cc442c1a211d02ff888659d7263ccc77c4c
Formbook
4ba70a201f9aeed927954ccf79ebba102df5f50c437c278636b1905b3f71058f
Formbook
513624286483a4e172511b412b82445a06eefc904d54de75da656ec1a6f8ae99
Formbook
87bc99f92dd1d5344195aed847c8ed3af8e0aea954133a97fb65834e81278645
Formbook
cb4f0f68dacf3b0deddf62a86e6d8d4963ba941f6aadf2f874ece8ee3768ab54
Formbook
+ 15'160 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:oeir loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220510-ewybfshfhp/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
b9bdd377275d9e5ad067efd01c694343b99428813effa2449c423cfd9fedc106
MD5 hash:
62b3129d891b3f27a6171f592c1e9694
SHA1 hash:
c6646cd5bc4e4fae4bb9bc63fd1a8f98457366c0
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
72de6f5dcbdecc30a5671f82ab2f9ffc7782e34c978db4590b8acb68f62e7302
MD5 hash:
efb5b5bc1a9a6b848f36a4dc540bb95e
SHA1 hash:
7d705c8f3a773b15e7c311560cfa48fb82842030
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
1af4662df1e96ed5da934d1f58a5cb3bfb4cce4b0a75d1e9ccb788da341e3c49
MD5 hash:
e465db78740ac2425afeffe51530e9cb
SHA1 hash:
a59cc598aa0ccefebcf36d49cdd8b0c038368d0f
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
de946071f5ce37d7bd121d1d7123a795c6111bb37715139a956110b97b0ba98a
MD5 hash:
ee5770ede963b3444343d074820acf46
SHA1 hash:
8863ca4d0e2f49f93c5325135931a163d652ab73
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
SH256 hash:
bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df
MD5 hash:
7ded9f125a5cb85288467f51a6c7a798
SHA1 hash:
02b88eead33b222ff500e59b7a1ad2e635f0a5c7
Link:
https://www.unpac.me/results/d437265d-05eb-4d77-b652-956d7cc23432/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bea7dde650c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

Formbook

Executable exe bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments