MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba
SHA3-384 hash: 80d9ea09059d61a57ad0654777de4e0f24511fd0906ae38deaf0ba796c2555263f06e937ff679ac161e6aea51e219bcd
SHA1 hash: 1088019f6828d3b01dbaa44a7f27cad6d00bbcd2
MD5 hash: d5079ba6252ba0df47a279c217f79abe
humanhash: asparagus-one-eighteen-neptune
File name:Request a quote Mitsubishi Japan XN501.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:879'104 bytes
First seen:2021-01-14 06:53:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:994hvmuClp9GaNGeJqToWW4Gegp1jnN42sH:96hvdClp9GakKSoWW4jgbC
TLSH 9215D647A904978FE03586B9BE130F6C5F1A3E1DA5C666EF50230D9B3A387724D4E06E
Reporter abuse_ch
Tags:exe FormBook geo KOR


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm58.hanmail.net
Sending IP: 203.133.181.17
From: kimlee <japan20121@daum.net>
Subject: 견적 요청 Mitsubishi Japan XN501
Attachment: Request a quote Mitsubishi Japan XN501.zip (contains "Request a quote Mitsubishi Japan XN501.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request a quote Mitsubishi Japan XN501.exe
Verdict:
Malicious activity
Analysis date:
2021-01-14 06:57:11 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/13939602-8a15-4b01-b2f6-34debb6af80e

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/111930/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/581205
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 339639 Sample: Request a quote Mitsubishi ... Startdate: 14/01/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 6 other signatures 2->46 10 Request a quote Mitsubishi Japan XN501.exe 3 2->10         started        process3 file4 32 Request a quote Mi...Japan XN501.exe.log, ASCII 10->32 dropped 56 Injects a PE file into a foreign processes 10->56 14 Request a quote Mitsubishi Japan XN501.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 34 www.9dgevjb.net 116.193.169.252, 49755, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Hong Kong 17->34 36 www.nxjiuding.com 154.86.21.93, 49752, 80 CNSERVERSUS Seychelles 17->36 38 3 other IPs or domains 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 help.exe 17->21         started        24 autochk.exe 17->24         started        26 autochk.exe 17->26         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 28 cmd.exe 1 21->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3obderbfufojrkqssi2szqc7hb5vatjicltolu36wxahsugvw5a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210114-dyfwgmkr7a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.9dgevjb.net/gtl/
Unpacked files
SH256 hash:
b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba
MD5 hash:
d5079ba6252ba0df47a279c217f79abe
SHA1 hash:
1088019f6828d3b01dbaa44a7f27cad6d00bbcd2
Link:
https://www.unpac.me/results/568001e3-4d01-4557-ab16-cb82399b750e/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/568001e3-4d01-4557-ab16-cb82399b750e/
SH256 hash:
90d62cc0043347c5994baf3bd7c5cb76220a4b84000acbb9bc76379a539b1bbe
MD5 hash:
87ea37c817a7b4b3754d6bf21e9a9d92
SHA1 hash:
a287229bdda7f630c0ed843d0018a34aeaef8b81
Link:
https://www.unpac.me/results/568001e3-4d01-4557-ab16-cb82399b750e/
SH256 hash:
836c82dd406084e448842fdbcdb604b5e355603fa1a0cc0e22187dcb26bac942
MD5 hash:
a45d9924ff1fd8a1a2a1026863a0bfbe
SHA1 hash:
c617396025098718c8ba5c265fd39e8709661411
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/568001e3-4d01-4557-ab16-cb82399b750e/
Parent samples :
b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba
75f2a2a20e73b7e0c53d499b883a403c2b8cfbf17c5923d58e0167daa4c019c1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba

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:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 6ed3d6a4aa69815313d58156b950a253dfc4988ade8bf3361195a36fb8219b61

Formbook

Executable exe b6dc1192212d0ae4c5509491a96602f9c3da82694097372e9bf5ae03ca86adba

(this sample)

  
Dropped by
MD5 a96ca488a224732c8ee704b0f0510e4f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6ed3d6a4aa69815313d58156b950a253dfc4988ade8bf3361195a36fb8219b61
Cape
Cape
https://www.capesandbox.com/analysis/111930/

Comments