MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84483ed46317d2ba114e3b5f49c4a54a8801bf648b73578135372dedd3f8a9ca. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84483ed46317d2ba114e3b5f49c4a54a8801bf648b73578135372dedd3f8a9ca
SHA3-384 hash: c6deb1a7606967f895a268d9579cc897307831acc9045b755c14e8f67dec36217625259bc1ad8d4bee3aad3986c35ab6
SHA1 hash: 4ad10060ddb7c26432bef8fa23eec3fed92d7478
MD5 hash: d483c9e951903fc26e5146bde17dfb73
humanhash: edward-happy-london-mike
File name:B9757A1C.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:6'590'976 bytes
First seen:2022-05-18 13:06:43 UTC
Last seen:2022-05-18 13:35:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 196608:AD6ogcJXjJSS1Mmigg4LckIjeul6BqfOQ+1Ng:A7UaMmJcmuu1N
Threatray 15'617 similar samples on MalwareBazaar
TLSH T13266A2728874FF02F6660C5853A11EEA015C5D6F4FD85309A8AEDFCB7193DAA306F846
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)
File icon (PE):PE icon
dhash icon 4e5f1331b330fcc6 (1 x Formbook)
Reporter obfusor
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
B9757A1C.exe
Verdict:
Malicious activity
Analysis date:
2022-05-19 00:02:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1f93b764-9596-4e95-b5c2-f8d1c40f9426

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/272106/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.32083.30374.23298.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject4.32083.20923.14622.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
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:
Malicious
Link:
https://analyze.intezer.com/analyses/90cbd9f7-7f7e-48c7-b07c-d0a22b53ae90
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/996799
Signature
.NET source code contains potential unpacker
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 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 629295 Sample: B9757A1C.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 7 other signatures 2->39 10 B9757A1C.exe 3 2->10         started        process3 file4 29 C:\Users\user\AppData\...\B9757A1C.exe.log, ASCII 10->29 dropped 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 14 B9757A1C.exe 10->14         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 17 explorer.exe 14->17 injected process8 signatures9 31 Uses netstat to query active network connections and open ports 17->31 20 NETSTAT.EXE 17->20         started        process10 signatures11 41 Self deletion via cmd delete 20->41 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        25 explorer.exe 1 151 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/84483ed46317d2ba114e3b5f49c4a54a8801bf648b73578135372dedd3f8a9ca/
Threat name:
ByteCode-MSIL.Trojan.Heracles
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Status:
Malicious
First seen:
2022-05-18 13:07:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e5dd52da4fa3d13be08ae1fdf59eddbcce0fe300006f0e84d7f885cb61ff0bb
Formbook
3f38d14b57be8821c36b5a3b35fee281a0371fb2b41cbecb2f788c29a34f05ef
Formbook
4ac982ea35522a13de30ff7ddbbec9becf2c7528a48f0aff377e3d6758a7ae7b
Formbook
6eef88d9b2ada286ff5f0ee740bd12a593a6111f2e29e0b86cc43dc437701edf
Formbook
a5ee0630cbe521aa9279b50a655a04ca59ed837919cdf94c8cafb30e4c39598c
Formbook
adaa16ed962f30078fc9bae10e80f8fa2f3fa062e8a115ceb0e5326e9feca24c
Formbook
c483fdd57cf8e05985e6e09ae3c74a7b53cccff68ddccd0cfea136591ec5c306
Formbook
cc715fcd2300c306a1254671a3119516a60d0662b5776a690e0c2b451f868d34
Formbook
d951d78db324f840c3dd3233c7900a8193329d769550cbf1c8857d5ef3fb5252
Formbook
+ 15'607 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:emc3 loader persistence rat
Link:
https://tria.ge/reports/220518-qclzvshhg8/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Enumerates connected drives
Deletes itself
Modifies Installed Components in the registry
Xloader Payload
Xloader
Unpacked files
SH256 hash:
21875aac977d326011a98f7f3a72311ab59d4e5297953fe3388b6971f05ad96a
MD5 hash:
98c76889d151aacf4ff295cd9647c253
SHA1 hash:
07ac5fd392e5c9db3bc51f88e33d935f116300ca
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3ea5fd56-1498-49da-a7cc-2c52e2351d8a/
Parent samples :
c483fdd57cf8e05985e6e09ae3c74a7b53cccff68ddccd0cfea136591ec5c306
84483ed46317d2ba114e3b5f49c4a54a8801bf648b73578135372dedd3f8a9ca
SH256 hash:
d10ee63db20047e0c40a9cb39decf7f1c9d46113f4f890d0a06dac8b22f08dcd
MD5 hash:
0e4c74fbf37195cc7931bdc13438025c
SHA1 hash:
ef55cafe161355eb73620ef31357e026d6f9fbe7
Link:
https://www.unpac.me/results/3ea5fd56-1498-49da-a7cc-2c52e2351d8a/
SH256 hash:
3bcde120a0aa7eb600791e1c80cf58518e09ed23753fff1b009df64a1436e9cc
MD5 hash:
c5ac55ea03e052a1840efd395abab05b
SHA1 hash:
bedb75095854dbc7a2b38947862743eaac05dbad
Link:
https://www.unpac.me/results/3ea5fd56-1498-49da-a7cc-2c52e2351d8a/
SH256 hash:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
Link:
https://www.unpac.me/results/3ea5fd56-1498-49da-a7cc-2c52e2351d8a/
SH256 hash:
84483ed46317d2ba114e3b5f49c4a54a8801bf648b73578135372dedd3f8a9ca
MD5 hash:
d483c9e951903fc26e5146bde17dfb73
SHA1 hash:
4ad10060ddb7c26432bef8fa23eec3fed92d7478
Link:
https://www.unpac.me/results/3ea5fd56-1498-49da-a7cc-2c52e2351d8a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/84483ed46317d2ba114e3b5f49c4a54a8801bf648b73578135372dedd3f8a9ca

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/272106/

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