MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f. 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 4 File information Comments
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SHA256 hash: 6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f
SHA3-384 hash: 1c53433ddbd8713e35ded706d26cc68a687960efd65dcf978bd06ca6ec0acabfc4738d08268de689c77f09ce795b1cf2
SHA1 hash: b8ae6a00d413f081e70b97589468eb39c68c1ac6
MD5 hash: 54a2ca73414751e87d8a05bdbd369dc4
humanhash: december-floor-pizza-fanta
File name:Order_KW#PO21192.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:467'968 bytes
First seen:2022-06-17 12:24:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:fuh8dajsl6wT3QFiH4R9170A1XRX/rKUnA0KecAgCdVDL:fPdowkIYRDD1hvvAJAgKD
TLSH T129A4128425FCABB3EABD5FF98092145803B1A03A7129E35D5DD172D74E36B404B18FAB
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 3092b27070b29230 (6 x Formbook, 5 x Loki, 3 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f.exe
Verdict:
Malicious activity
Analysis date:
2022-06-17 17:15:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d30218b4-357e-4788-a7e7-98ce788c2c9b

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/280985/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.19314.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ac72de745ae0fa14f367b6/reports/36f7d9f6-35a2-4f48-abe8-898609f8953e/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5284b4bb-8dac-4db9-b7cb-07754efb4323
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015173
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 647668 Sample: Order_KW#PO21192.pdf.exe Startdate: 17/06/2022 Architecture: WINDOWS Score: 100 31 www.a-changfaifa.com 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 11 Order_KW#PO21192.pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Order_KW#PO21192.pdf.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 Order_KW#PO21192.pdf.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.cabitdesign.com 199.59.243.220, 49869, 80 BODIS-NJUS United States 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Uses netstat to query active network connections and open ports 18->45 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-06-17 07:56:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
13 of 41 (31.71%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nn6fpp2eg3jg7okx6c632om56mhh4wza6ldy6anuptyma3z7uvhq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:heds loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220617-pll6jsedg4/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
90eb3b67fe88efdcaefaecd2f8f238f2c7da65ea46775f15fa5c6b9c13056ad7
MD5 hash:
97dc1517ccbd11aab5766486834bd21f
SHA1 hash:
3d4f76c1fc1d210e0d527798b4aa30ae848d9845
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/54ab5d55-36f6-4478-afe6-fe4e67a0c5a2/
Parent samples :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 hash:
c1b6e807c72f5b094f646c472e354408d9d5c641b69113f43831aff04b6bf0dd
MD5 hash:
c695c72f9d17f3c93637ea196280bdef
SHA1 hash:
a92736ad4a86ac7e0bbf74185dded923fc3580cf
Link:
https://www.unpac.me/results/54ab5d55-36f6-4478-afe6-fe4e67a0c5a2/
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
Link:
https://www.unpac.me/results/54ab5d55-36f6-4478-afe6-fe4e67a0c5a2/
SH256 hash:
bbd7e86d3392c8396f84fb1fa5ee4a9abe90e247ac9bbea21252b92af3b74921
MD5 hash:
36e4ac00fda2ab320ec11e5a15169f99
SHA1 hash:
0a6a62fe09ea0e0d6adb6727797c56898cb5d7b7
Link:
https://www.unpac.me/results/54ab5d55-36f6-4478-afe6-fe4e67a0c5a2/
SH256 hash:
6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f
MD5 hash:
54a2ca73414751e87d8a05bdbd369dc4
SHA1 hash:
b8ae6a00d413f081e70b97589468eb39c68c1ac6
Link:
https://www.unpac.me/results/54ab5d55-36f6-4478-afe6-fe4e67a0c5a2/
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/6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
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.

Malspam

Formbook

Executable exe 6b7c57bf4436d26fb957f0bdbd399df30e7e5b20f2c78f01b47cf0c06f3fa54f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/280985/

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