MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7b7cc6b73b04e2cd7d026a69d47139770ace5a92457da0f0c058ee438251b18. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7b7cc6b73b04e2cd7d026a69d47139770ace5a92457da0f0c058ee438251b18
SHA3-384 hash: 4b566e79fbc77aef272e3961a1a731d93423e1c2bfad70703d8280143fef94f1fff4fb67d1be61daa0491b2fee395ea5
SHA1 hash: 1aaa9a8006bd0c8625f917945833ba342ad11276
MD5 hash: cf38c8acf2b5eb2038f57bd5efe57e0c
humanhash: lamp-tango-early-louisiana
File name:cf38c8acf2b5eb2038f57bd5efe57e0c
Download: download sample
Signature FormBook
Create hunting rule
File size:950'272 bytes
First seen:2022-08-17 07:32:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6cde445dc291f5ffbd53965e21b4ef42 (4 x Formbook, 4 x DBatLoader, 2 x RemcosRAT)
ssdeep 24576:+Xgr/BEuCNYeA06CG7Dmo/KvouloQHO2XeLoPx1mGe:+XmSLMKfOLoJ
Threatray 17'408 similar samples on MalwareBazaar
TLSH T1A615AE3AB3919872C2A72578CC0767E85C297D1A2D3C744376E42E5C6F3B6507B392A3
TrID 44.6% (.EXE) InstallShield setup (43053/19/16)
14.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
13.5% (.SCR) Windows screen saver (13101/52/3)
10.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74f48888868e88b4 (12 x SnakeKeylogger, 7 x Formbook, 5 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
transcation_swift_dload_16Aug2022_15324.doc
Verdict:
Malicious activity
Analysis date:
2022-08-17 06:20:32 UTC
Tags:
trojan exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/eedcd08a-4c0e-4302-9014-66772b8f86cd

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/299207/
Detection(s):
SecuriteInfo.com.Malware.AI.42205434.15337.6754.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29196/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm keylogger overlay remcos zusy
Link:
https://www.filescan.io/uploads/62fc99bb8adad7d7739a150b/reports/ef313bad-0199-49f7-bdd0-2b643bdbbc62/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/fa473713-c6e5-4bc8-875d-89f3765e602d
Result
Threat name:
FormBook, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1052782
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Detected FormBook malware
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 685302 Sample: 8TCaUhGXhL Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected UAC Bypass using ComputerDefaults 2->65 67 4 other signatures 2->67 10 8TCaUhGXhL.exe 1 17 2->10         started        process3 dnsIp4 57 cdn.discordapp.com 162.159.134.233, 443, 49706, 49707 CLOUDFLARENETUS United States 10->57 59 192.168.2.1 unknown unknown 10->59 47 C:\Users\Public\Libraries\Lsbjqoyof.exe, PE32 10->47 dropped 49 C:\Users\...\Lsbjqoyof.exe:Zone.Identifier, ASCII 10->49 dropped 91 Contains functionality to inject threads in other processes 10->91 93 Writes to foreign memory regions 10->93 95 Allocates memory in foreign processes 10->95 97 2 other signatures 10->97 15 calc.exe 10->15         started        file5 signatures6 process7 signatures8 99 Modifies the context of a thread in another process (thread injection) 15->99 101 Maps a DLL or memory area into another process 15->101 103 Sample uses process hollowing technique 15->103 105 2 other signatures 15->105 18 explorer.exe 15->18 injected process9 process10 20 Lsbjqoyof.exe 14 18->20         started        24 help.exe 18 18->24         started        27 Lsbjqoyof.exe 14 18->27         started        29 3 other processes 18->29 dnsIp11 51 cdn.discordapp.com 20->51 69 Multi AV Scanner detection for dropped file 20->69 71 Writes to foreign memory regions 20->71 73 Allocates memory in foreign processes 20->73 31 rasphone.exe 20->31         started        43 C:\Users\user\AppData\...\5PMlogrv.ini, data 24->43 dropped 45 C:\Users\user\AppData\...\5PMlogri.ini, data 24->45 dropped 75 Detected FormBook malware 24->75 77 Tries to steal Mail credentials (via file / registry access) 24->77 79 Tries to harvest and steal browser information (history, passwords, etc) 24->79 87 2 other signatures 24->87 34 cmd.exe 24->34         started        53 162.159.135.233, 443, 49713, 49714 CLOUDFLARENETUS United States 27->53 55 cdn.discordapp.com 27->55 81 Creates a thread in another existing process (thread injection) 27->81 83 Injects a PE file into a foreign processes 27->83 36 rasphone.exe 27->36         started        85 Tries to detect virtualization through RDTSC time measurements 29->85 file12 signatures13 process14 signatures15 107 Tries to detect virtualization through RDTSC time measurements 31->107 109 Tries to harvest and steal browser information (history, passwords, etc) 34->109 38 conhost.exe 34->38         started        111 Modifies the context of a thread in another process (thread injection) 36->111 113 Maps a DLL or memory area into another process 36->113 115 Sample uses process hollowing technique 36->115 40 msdt.exe 36->40         started        process16 signatures17 89 Tries to detect virtualization through RDTSC time measurements 40->89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7b7cc6b73b04e2cd7d026a69d47139770ace5a92457da0f0c058ee438251b18/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-16 13:47:26 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y634y23twbhczv6qe2tj2ryts5ykzznjerl5udymawhoiobfdmma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06d75de3031e1429046bb404d0127f91737fae6178bc43bc06f7428a65c85572
FormBook
0ce551359d7ccdbc2a019cba29ce1491c8aa4bc48176e9e4cd69b948bb702526
FormBook
5a60c47e31c4bfd7eff0b53c4793249b33a177d669e2e781418c6dcb2bac0f7c
FormBook
5c60ec93028885f6319a52ad6ae0d4eaa08cec6a82cf8c7c62d7a060341a77a8
FormBook
79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63
FormBook
8b52c0ca8e1117f7be2e09a6ed854c4a7131d1f0950fcabd665999b96e254bf9
FormBook
8efe63d65c4c6ad604639045990b133113224de00e18fa330acb11980ddb6655
FormBook
d4b5eed08e106de325ab64d4d0276f19c9a3bea48a8c3f8ac3b5a1ea932081da
FormBook
d7891c230103e0424c00cb31edfe25873433c901bd999772d9ab9013ba1e1da0
FormBook
f010e88da642e15fb22478e5ba6956dbb301eae490110d0c1a98e41ad0d57457
FormBook
+ 17'398 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:dy47 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220817-jdhv9scebr/
Behaviour
Modifies Internet Explorer settings
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
Formbook
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
df1b136e28cfd91eb8c77177c3cbe09fc37aa2eeedc7f01acad64b9ace558a13
MD5 hash:
0280e570405ea74e7e918629a478093f
SHA1 hash:
6c1d2b945a01d4ee3c19b126c6ffc8415c4725dc
Link:
https://www.unpac.me/results/ed291bf1-e545-4188-a49f-4c36aa2f782f/
SH256 hash:
1aa0b0480f4a4a41977ee8725c0be025bf8ea30f83696633062d5741af8200af
MD5 hash:
1324549c176999f791dc1b3cb2eb1fc2
SHA1 hash:
11f4e74ba73cda5d6861fa5bf93dc5062a71e98f
Link:
https://www.unpac.me/results/ed291bf1-e545-4188-a49f-4c36aa2f782f/
SH256 hash:
c7b7cc6b73b04e2cd7d026a69d47139770ace5a92457da0f0c058ee438251b18
MD5 hash:
cf38c8acf2b5eb2038f57bd5efe57e0c
SHA1 hash:
1aaa9a8006bd0c8625f917945833ba342ad11276
Link:
https://www.unpac.me/results/ed291bf1-e545-4188-a49f-4c36aa2f782f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c7b7cc6b73b0/report/overview.html
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/c7b7cc6b73b04e2cd7d026a69d47139770ace5a92457da0f0c058ee438251b18

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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.

Web download

FormBook

Executable exe c7b7cc6b73b04e2cd7d026a69d47139770ace5a92457da0f0c058ee438251b18

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2273877/
Cape
Cape
https://www.capesandbox.com/analysis/299207/

Comments


Avatar
zbet commented on 2022-08-17 07:33:05 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/Lsbjqoyofgkmqbuleooykdekgopmtglvjl.exe