MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada
SHA3-384 hash: c6e8d9a052841c28cd2f65f4a17aa82322d10187b496317ad6e42db3549338ab3d95b660fa223b377b056ef7c7158282
SHA1 hash: b05514375371a1989935160b72830122182e90ec
MD5 hash: 992fb2560834dcb308a6dbb37ced524b
humanhash: jig-alpha-quebec-texas
File name:Invoice #00442811-20211029i.pif
Download: download sample
Signature Formbook
File size:420'352 bytes
First seen:2021-10-31 19:26:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:fF1pu/Q26E5Ljxz+JG1Xtp2af491J7YjAkU9MIDQad4KZ/n:fOQ25jxi+2t1lY97KR
Threatray 10'964 similar samples on MalwareBazaar
TLSH T11494DF00A3E5576BE67D87F824B311502BF6786AB272DB4D0D8274DE3A72F804A50F67
Reporter Racco42
Tags:exe FormBook pif

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice #00442811-20211029i.pif
Verdict:
Malicious activity
Analysis date:
2021-10-31 19:29:52 UTC
Tags:
trojan formbook 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 window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 dropped file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512478 Sample: Invoice #00442811-20211029i.pif Startdate: 31/10/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 13 other signatures 2->54 10 Invoice #00442811-20211029i.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\hTHQgT.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpB480.tmp, XML 10->38 dropped 40 C:\...\Invoice #00442811-20211029i.exe.log, ASCII 10->40 dropped 58 Adds a directory exclusion to Windows Defender 10->58 60 Injects a PE file into a foreign processes 10->60 14 Invoice #00442811-20211029i.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 42 apiorganik.com 79.98.129.102, 49823, 80 RADORETR Turkey 21->42 44 www.xuongkhophoanghuong.pro 209.99.40.222, 49795, 80 CONFLUENCE-NETWORK-INCVG United States 21->44 46 8 other IPs or domains 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 29 WWAHost.exe 21->29         started        signatures10 process11 signatures12 62 Self deletion via cmd delete 29->62 64 Modifies the context of a thread in another process (thread injection) 29->64 66 Maps a DLL or memory area into another process 29->66 68 Tries to detect virtualization through RDTSC time measurements 29->68 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-31 19:27:06 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b4a0 evasion loader rat suricata
Behaviour
Creates scheduled task(s)
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
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.gurustips.com/b4a0/
Unpacked files
SH256 hash:
169771475bcddb24a158653d3b57f17974361f686fa63fb873fb282f7cd871ff
MD5 hash:
7d7d799e51baa436888f34428fcc795f
SHA1 hash:
2fd818286df37155a792ba9ec2800da3c598d538
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a638a11496b063c71f2e7aecdba855a82306b184c189f63c8e364b16098dcdba
MD5 hash:
79e820a03c5d33b7f8419b19b3575240
SHA1 hash:
f6c0b1f725a78c155e5d960efee705d32d97361b
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada
MD5 hash:
992fb2560834dcb308a6dbb37ced524b
SHA1 hash:
b05514375371a1989935160b72830122182e90ec
Malware family:
XLoader
Verdict:
Malicious
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: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.

Malspam

Formbook

Executable exe ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada

(this sample)

  
Delivery method
Distributed via e-mail attachment

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