MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8d21ab721d86238a304f5cd72da73acad72cc635597e8b3949743f4682a20f3. 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 1 File information Comments

SHA256 hash: c8d21ab721d86238a304f5cd72da73acad72cc635597e8b3949743f4682a20f3
SHA3-384 hash: b063b48cbd10ee277bb5cbdba9460e5419166134db955c9293c8e4371cb5e47f9b33379ead887d95ef659f46f3d22816
SHA1 hash: c068675336629b6e43f43080cbb1166d12387d43
MD5 hash: b003e5a54cd543aa2e669f67e4811515
humanhash: berlin-uranus-utah-charlie
File name:c8d21ab721d86238a304f5cd72da73acad72cc635597e8b3949743f4682a20f3
Download: download sample
Signature Formbook
File size:334'726 bytes
First seen:2022-11-09 12:59:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:qweEpAgsgDGWAkBHcApsAPu21x2ZutRDYqc/DkDs0rKAEFYfSTHjHSRa75tZydX9:bAkGWAkBHcAPu2vtnQczrzxa7wN
TLSH T177642312E0E4E4B7D8A6013185BBAFB1E2BAE219C02751C743905F7E6B270CBDA35597
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
c8d21ab721d86238a304f5cd72da73acad72cc635597e8b3949743f4682a20f3
Verdict:
Malicious activity
Analysis date:
2022-11-09 12:58:32 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 741966 Sample: fxLqRrtTHW.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 30 www.boxgamevn.com 2->30 32 boxgamevn.com 2->32 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 4 other signatures 2->54 10 fxLqRrtTHW.exe 18 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\Temp\xlfpml.exe, PE32 10->28 dropped 13 xlfpml.exe 1 10->13         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 13->66 68 Maps a DLL or memory area into another process 13->68 16 xlfpml.exe 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 16->40 42 Maps a DLL or memory area into another process 16->42 44 Sample uses process hollowing technique 16->44 46 Queues an APC in another process (thread injection) 16->46 21 explorer.exe 16->21 injected process10 dnsIp11 34 eatingdisorderstest.site 64.190.62.22, 49698, 80 NBS11696US United States 21->34 36 www.wadish.info 162.0.228.17, 49699, 49700, 80 NAMECHEAP-NETUS Canada 21->36 38 5 other IPs or domains 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 mstsc.exe 13 21->25         started        signatures12 process13 signatures14 58 Tries to steal Mail credentials (via file / registry access) 25->58 60 Tries to harvest and steal browser information (history, passwords, etc) 25->60 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-26 04:46:38 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:fqsu loader rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Xloader
Unpacked files
SH256 hash:
bbc5a60f9140e40979a13d24e8fae142bff9140af94fe95cc1455160781aafbb
MD5 hash:
f13d54398929634fd143ef5ea8c6a3e3
SHA1 hash:
2c9224e7a169098f9c05f869746e84fb7f6fd928
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
fc1e9c9d0524f405aab192c521a553a1483ae0de315d3277a69402fdade05491
MD5 hash:
b2a5b0e0e70eb909712785ad6fd3d296
SHA1 hash:
cd4a580c6152738ecf553db9ec4fdc8673156f80
SH256 hash:
3340e616667c74fb846927581db912846614d349a21b9cf2e36738ebcb410ffb
MD5 hash:
f99e53a53c92a2728bf5cf3b87db04ca
SHA1 hash:
71a56c2425c8713bae8470d1fc4c99230bd85a32
SH256 hash:
c8d21ab721d86238a304f5cd72da73acad72cc635597e8b3949743f4682a20f3
MD5 hash:
b003e5a54cd543aa2e669f67e4811515
SHA1 hash:
c068675336629b6e43f43080cbb1166d12387d43
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_get_eip
Author:Willi Ballenthin

File information


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

Comments