MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8. 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 2 File information Comments
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SHA256 hash: 6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8
SHA3-384 hash: 8690282114e1cdd941bc32b5008d7bbcd43597406d5268741f6d0f59601139682e693ff78ce2246883484010156115f6
SHA1 hash: 6ec31d1baef3aa104bb090f94f7598363f8ada63
MD5 hash: 61230ce89b62356661abeba6da9c3d21
humanhash: single-four-oven-washington
File name:revise quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:888'832 bytes
First seen:2022-06-29 09:15:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:HAG67eWdX/pocSgWuP3cP3I650WD0vx2FQ9o+Ek+2:HdWdX/pXCu0P3rJDgaS+k+
TLSH T16015BE1463E9DE97DCAA537EE0712E096375F205A34BE74B4388B9F66DA13A0CD40783
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/284194/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62bc185522ef321587b81244/reports/054bd2a1-8323-402f-97c3-d81e3c2819bc/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/7a146fdf-b6c6-4e79-98d8-c656aeaa67eb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021750
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654244 Sample: revise quotation.exe Startdate: 29/06/2022 Architecture: WINDOWS Score: 100 34 www.heathermercerfineart.com 2->34 36 www.7ball123a.website 2->36 38 heathermercerfineart.com 2->38 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 10 other signatures 2->48 11 revise quotation.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\revise quotation.exe.log, ASCII 11->28 dropped 14 revise quotation.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 x7c3i7x7.stackpathcdn.com 151.139.128.11, 49808, 80 HIGHWINDS3US United States 17->30 32 www.sbctoto.info 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 17->21         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 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-29 05:25:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nig42vlglcq2mtuxc3em5th2wnsanscabyeppmst2mg6t3qt2c4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:o3t8 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220629-k8fvtsgdcr/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
bde4440629847215fff45e301f11d3dfb1e4c8482bbbcd973963d547a538e8b9
MD5 hash:
09c7fd3b97e1346ef68417cf50d79e7c
SHA1 hash:
c690a62de49ef4517750d35b49807df9223eed4f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/36a88e86-a32d-4e8d-b3e3-9c850ea318aa/
Parent samples :
628754b1e41101dabbd271cf25b161ea16873104ba6d3419314a8363b9a2e302
6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8
0ae9215ce8e02834033615ac911c0b82abcc6809f95cb8b6cfbd1fdd96ab4bea
2a07b7a4dcebfe797400edbed8626749e59a8e8b729718202099a85b26db07ab
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/36a88e86-a32d-4e8d-b3e3-9c850ea318aa/
SH256 hash:
7b2a89d8125c6e6f20211b8dc676a2cb0edd04b522e7c91bc336c6944396aad4
MD5 hash:
fb8e3f154f102fb2e0cdb267e1db8185
SHA1 hash:
a623a67be8a9964bffe04fe70558e3d0fa5e24ea
Link:
https://www.unpac.me/results/36a88e86-a32d-4e8d-b3e3-9c850ea318aa/
SH256 hash:
820233a4ab6ce3336e639095603d2678936156db49920f256cd6f64a6e2c637d
MD5 hash:
6e5584f33eceaa6eb440930b72bf14f3
SHA1 hash:
683083bbd8c15c1fa3634dab9cfee2f948a4611e
Link:
https://www.unpac.me/results/36a88e86-a32d-4e8d-b3e3-9c850ea318aa/
SH256 hash:
ae5fe5c58fd1c2141881d5699bda5c569a57a59b966b457812368764354ba2b8
MD5 hash:
c305826a34bc65df0f7db7d44ea1582b
SHA1 hash:
4552da5a238b9cef0af340f50a2282be811f0604
Link:
https://www.unpac.me/results/36a88e86-a32d-4e8d-b3e3-9c850ea318aa/
SH256 hash:
6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8
MD5 hash:
61230ce89b62356661abeba6da9c3d21
SHA1 hash:
6ec31d1baef3aa104bb090f94f7598363f8ada63
Link:
https://www.unpac.me/results/36a88e86-a32d-4e8d-b3e3-9c850ea318aa/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a0dcd556658/report/overview.html
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/6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8

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: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 6a0dcd556658a1a64e9716c8ceccfab36406c8400e08f7b253d30de9ee13d0b8

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284194/

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