MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9677ba2c1b2c60c5d2807be7961625f56b6d319d050d4e04accdb55f5a080376. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 9677ba2c1b2c60c5d2807be7961625f56b6d319d050d4e04accdb55f5a080376
SHA3-384 hash: d9c421f0d04b217665e0879f6e0db16ba969812ac1616736afcf22d99bfdf3d54886a4b049e3d2c8a62c2ffbe0a6807a
SHA1 hash: 5e4fb9cf35d45200234e27a5b4b31ef722eb231f
MD5 hash: 86fa91dea29253abd7bb5f9c44d07bc0
humanhash: uncle-north-uranus-paris
File name:triage_dropped_file
Download: download sample
Signature FormBook
Create hunting rule
File size:848'896 bytes
First seen:2022-05-30 23:11:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 36d1397ff6726d458e8ad3a15a1ce760 (1 x RemcosRAT, 1 x FormBook)
ssdeep 12288:RYtC9CATIafkM5Asf8SAh9uKCkgLnexY4P3+dxAWMeM7jEOd/e:RYtZCbAbpRxsdxD/MMOd/e
Threatray 16'065 similar samples on MalwareBazaar
TLSH T19B058E23B3A18937D77315794D2B96E4AC39BE302D24B8422BF43D4C9F39690793A167
TrID 61.1% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
24.1% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
10.7% (.OCX) Windows ActiveX control (116521/4/18)
1.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.2% (.SCR) Windows screen saver (13101/52/3)
File icon (PE):PE icon
dhash icon c8c982848998ac94 (10 x Formbook, 6 x DBatLoader, 4 x RemcosRAT)
Reporter malwarelabnet
Tags:exe FormBook formbook modiloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2022-05-30 23:12:34 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ae552a41-1256-47e4-88cb-ae2b96628094

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/275555/
Detection(s):
SecuriteInfo.com.W32.Trojan-Gypikon-based.DEMax.19273.909.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit keylogger remote.exe wacatac
Link:
https://www.filescan.io/uploads/62954f59370bb1455cd2ad12/reports/90c49b92-acdb-4747-9828-49b74a4869cb/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/06c2d40b-0d81-4dd2-9d64-93dcfdf7b8e5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003866
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected FormBook malware
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 636362 Sample: triage_dropped_file Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 6 other signatures 2->88 10 triage_dropped_file.exe 1 17 2->10         started        process3 dnsIp4 68 s6bina.am.files.1drv.com 10->68 70 onedrive.live.com 10->70 72 am-files.fe.1drv.com 10->72 48 C:\Users\Public\Libraries\Yfqhzxzuoh.exe, PE32 10->48 dropped 50 C:\Users\...\Yfqhzxzuoh.exe:Zone.Identifier, ASCII 10->50 dropped 116 Writes to foreign memory regions 10->116 118 Allocates memory in foreign processes 10->118 120 Creates a thread in another existing process (thread injection) 10->120 122 Injects a PE file into a foreign processes 10->122 15 logagent.exe 10->15         started        file5 signatures6 process7 signatures8 124 Modifies the context of a thread in another process (thread injection) 15->124 126 Maps a DLL or memory area into another process 15->126 128 Sample uses process hollowing technique 15->128 130 2 other signatures 15->130 18 explorer.exe 2 15->18 injected process9 dnsIp10 52 miyagencia.com 167.250.5.38, 49849, 49852, 49853 NUTHOSTSRLAR Argentina 18->52 54 www.miyagencia.com 18->54 90 System process connects to network (likely due to code injection or exploit) 18->90 22 Yfqhzxzuoh.exe 15 18->22         started        26 msiexec.exe 18 18->26         started        29 Yfqhzxzuoh.exe 17 18->29         started        31 2 other processes 18->31 signatures11 process12 dnsIp13 56 s6bina.am.files.1drv.com 22->56 58 onedrive.live.com 22->58 60 am-files.fe.1drv.com 22->60 92 Multi AV Scanner detection for dropped file 22->92 94 Machine Learning detection for dropped file 22->94 96 Writes to foreign memory regions 22->96 98 Potentially malicious time measurement code found 22->98 33 logagent.exe 22->33         started        44 C:\Users\user\AppData\...\341logrv.ini, data 26->44 dropped 46 C:\Users\user\AppData\...\341logri.ini, data 26->46 dropped 100 Detected FormBook malware 26->100 102 Tries to steal Mail credentials (via file / registry access) 26->102 104 Tries to harvest and steal browser information (history, passwords, etc) 26->104 114 2 other signatures 26->114 36 cmd.exe 2 26->36         started        62 192.168.2.1 unknown unknown 29->62 64 s6bina.am.files.1drv.com 29->64 66 2 other IPs or domains 29->66 106 Allocates memory in foreign processes 29->106 108 Creates a thread in another existing process (thread injection) 29->108 110 Injects a PE file into a foreign processes 29->110 38 logagent.exe 29->38         started        112 Tries to detect virtualization through RDTSC time measurements 31->112 file14 signatures15 process16 signatures17 74 Tries to harvest and steal browser information (history, passwords, etc) 36->74 40 conhost.exe 36->40         started        76 Modifies the context of a thread in another process (thread injection) 38->76 78 Maps a DLL or memory area into another process 38->78 80 Sample uses process hollowing technique 38->80 42 colorcpl.exe 38->42         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9677ba2c1b2c60c5d2807be7961625f56b6d319d050d4e04accdb55f5a080376/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2022-05-30 13:52:54 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sz33ula3frqmluuapptzmfrf6vvw2mm5augu4bfmzw2v6wqian3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
51bdc77ea1cd3a98d039606829ae04693bc9672c976f89eb0a1f027cf7170a8f
FormBook
bc89bbfbb6a41a488a2ad9a1a55be9ba28b1ff3501a4d22072ead32b121836c9
FormBook
c671999564efcc44591078e52ddba479a55162411711775bf4f54d2dc97b75c7
FormBook
e22cc7329a3ee317a838f8420bddbee282bf9667ff74ffc2fa446468639f5349
FormBook
f0023062662c42d563fd03a92e4ed00a14cf78d4c6debde99fe168babf6fa347
FormBook
f917034d08d7cc2d2af50ff28d1b52944691fba6bb96965e18948cf7473bbd80
FormBook
fc2cebcda95cb3a39ad6b08289fe3764635bf8bd69a372c05f0140665b57b55a
FormBook
+ 16'055 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:ab58 persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220530-26tgkseca6/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
Link:
https://www.unpac.me/results/faca8079-c740-45cb-8080-1dc35dd5dedc/
SH256 hash:
9677ba2c1b2c60c5d2807be7961625f56b6d319d050d4e04accdb55f5a080376
MD5 hash:
86fa91dea29253abd7bb5f9c44d07bc0
SHA1 hash:
5e4fb9cf35d45200234e27a5b4b31ef722eb231f
Link:
https://www.unpac.me/results/faca8079-c740-45cb-8080-1dc35dd5dedc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/9677ba2c1b2c60c5d2807be7961625f56b6d319d050d4e04accdb55f5a080376

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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.

Cape
Cape
https://www.capesandbox.com/analysis/275555/

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