MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75. 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

SHA256 hash: 55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75
SHA3-384 hash: c29b5357540e39aec21067c1f92b5b87c3b4f40fa4fa2c40feca938d8d2cdc28685e1f388de99c5ffe1d9d9e46bac00e
SHA1 hash: 17eb478f73c8fbfcae342a3039343c2b3575ab99
MD5 hash: 93d8f2525be4725c994a7709cb2e3485
humanhash: winter-princess-magazine-ohio
File name:soa.exe
Download: download sample
Signature Formbook
File size:538'112 bytes
First seen:2022-07-06 18:47:43 UTC
Last seen:2022-07-11 09:03:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:y6Cg6XBkfciGgwKNjJ8oo+GZzBmJK55kQ2JEvW6CMV8UqA3Cdsi3RYQNeS1azGtZ:yA6XifhGOiBZVLkkWrUqAiLICc
TLSH T13BB4E1B19384D856CBAC1CF88C1191664FB7DE17F512E3892AF6BEBF26723405B111B2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter malwarelabnet
Tags:exe FormBook formbook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 658353 Sample: soa.exe Startdate: 06/07/2022 Architecture: WINDOWS Score: 100 38 www.trups88t.com 2->38 40 www.raulfromwendys.com 2->40 42 5 other IPs or domains 2->42 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 8 other signatures 2->58 11 soa.exe 4 2->11         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\soa.exe.log, ASCII 11->36 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Injects a PE file into a foreign processes 11->66 15 soa.exe 11->15         started        18 svchost.exe 1 1 11->18         started        21 soa.exe 11->21         started        23 soa.exe 11->23         started        signatures6 process7 dnsIp8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Queues an APC in another process (thread injection) 15->78 25 explorer.exe 15->25 injected 44 127.0.0.1 unknown unknown 18->44 signatures9 process10 dnsIp11 46 www.shidkjw.com 154.86.177.21, 49853, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 25->46 48 www.abtuniseller.com 188.114.96.3, 49829, 80 CLOUDFLARENETUS European Union 25->48 50 5 other IPs or domains 25->50 60 System process connects to network (likely due to code injection or exploit) 25->60 62 Performs DNS queries to domains with low reputation 25->62 29 control.exe 25->29         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 29->68 70 Maps a DLL or memory area into another process 29->70 72 Tries to detect virtualization through RDTSC time measurements 29->72 32 cmd.exe 1 29->32         started        process15 process16 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-06 17:20:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:gfv7 loader persistence rat spyware stealer suricata 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
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
Blocklisted process makes network request
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
e8e0a476087352226ea102e89078067fb2d760238bc2121bf1098fdefd188604
MD5 hash:
3733f77949893a2f8206a945e2902629
SHA1 hash:
2cc712b01c2ba920a84dd4d758cf732b65d4a3e0
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
adbf2c5a2add012acdcc26f00fd544f44510eec36a70c934d1f960795fa13321
MD5 hash:
953c8db7ab05399447ac5ba62799c222
SHA1 hash:
440d1b52eaae2d6944189a4e40f2561e8e9aaa23
SH256 hash:
55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75
MD5 hash:
93d8f2525be4725c994a7709cb2e3485
SHA1 hash:
17eb478f73c8fbfcae342a3039343c2b3575ab99
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments