MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3. 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 3 File information Comments
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SHA256 hash: 5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3
SHA3-384 hash: be6c3f0c6b8f0d66ca1af2200f02093853df492186f17783ad68bf682374dbfce5fcbf795ba3e208ee983b2d2992c967
SHA1 hash: 119eeb62b4bc5d77f12dfa111cb5839331890002
MD5 hash: 287f6339c5c3f2bbe3a17bdb6ac783d8
humanhash: fillet-east-jig-mirror
File name:20210812GLL_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:742'400 bytes
First seen:2021-08-22 19:13:53 UTC
Last seen:2021-08-22 20:01:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wemWVo29WV7ZIgB1zWgXjOubQRWvswUesdmnaNZPPcqqbV/P:w4o2yKgBNWKj3cRWdps8ncJcqq
Threatray 8'263 similar samples on MalwareBazaar
TLSH T1EBF402597754FB8EC57F8F3688610C006BF0E267970BE7872CD306ED1A8E6D989261D2
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
478
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20210812GLL_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-22 19:16:24 UTC
Tags:
trojan formbook stealer opendir
Link:
https://app.any.run/tasks/46eb1881-809c-46a1-bc9a-b119532d6c94

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/181286/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1007.21917.20657.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b78e5df-125b-4bdc-aeb3-e4e68657a0a8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837141
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found 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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 469572 Sample: 20210812GLL_pdf.exe Startdate: 22/08/2021 Architecture: WINDOWS Score: 100 33 www.15862152232.com 2->33 35 dns.95h5cdn.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 20210812GLL_pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\20210812GLL_pdf.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 20210812GLL_pdf.exe 11->15         started        18 20210812GLL_pdf.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.ptkvoice.com 103.224.212.219, 49717, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 20->37 39 www.ameicanmusical.com 81.17.18.195, 49713, 80 PLI-ASCH Switzerland 20->39 41 8 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-19 16:08:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
29 of 46 (63.04%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l74stn5h2klz5vhsc5yaphlprqoacjzc2hlh2cdtux4wcanv2wrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f09b5a5ad2bf792ed543e2b170d969e40591157ed92b5766c3cc3ab7deb2df1
Formbook
1073eafcf05e8cf0a63d6f207722200da69f4987eb362cf25e4a3293b8f3fadd
Formbook
366b6d23b6e536c3b8bd769edbebc2e7dc26e38e75ac85a32a7b4512f585b68f
Formbook
503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788
Formbook
9744a8f624cc86bce830db5caf4a5a8b2263b51f53ca384908b2557e5f9ce99d
Formbook
994f99037072fbea77a376832818fec2bdaf577a09b1936a7285e38ace5d8e4f
Formbook
9ecedea13dc027095e79edab82e3988f028dfda3ea5b5469351a52a82a60ff7f
Formbook
d441b6262d1915e1c32e85775622b2f2e3b755279f1b536d5b10eb2f14678e10
Formbook
+ 8'253 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:zrmt loader rat
Link:
https://tria.ge/reports/210822-7lgem1hp7e/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.xcwwjzsb.com/zrmt/
Unpacked files
SH256 hash:
c0c031a1e398d6e72926313b3279c743f32c9674f89c4af79ed66b1a829a4895
MD5 hash:
604ce4ce93647b97e116df65d4696450
SHA1 hash:
3aa2402eaa2ebac3b95e1e15cf21dac90e18233a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ad45ce6c-baed-4be5-825f-72cda9f40c5b/
Parent samples :
5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3
9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed
a49278e32de8c758012e44c3519591a7997b261e453827ff7b11158786563430
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/ad45ce6c-baed-4be5-825f-72cda9f40c5b/
SH256 hash:
9a15dcb05355fc7ee0b679bf2b8610eebe38b267200890f167e5c504151b1d98
MD5 hash:
8ffafbe391f15e046c5cf860fa4becdb
SHA1 hash:
417b573d80a49ba6f5a5f0ba472db8e3e80b09d3
Link:
https://www.unpac.me/results/ad45ce6c-baed-4be5-825f-72cda9f40c5b/
SH256 hash:
5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3
MD5 hash:
287f6339c5c3f2bbe3a17bdb6ac783d8
SHA1 hash:
119eeb62b4bc5d77f12dfa111cb5839331890002
Link:
https://www.unpac.me/results/ad45ce6c-baed-4be5-825f-72cda9f40c5b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3

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
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/181286/

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