MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c3c06ae684b68083640169fb962cc24fb32d4efe232a0ec0727f7c5d69dacae. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 2c3c06ae684b68083640169fb962cc24fb32d4efe232a0ec0727f7c5d69dacae
SHA3-384 hash: c2950825679fab96a1ecfd0fd218df87471e192b05574cdad61bcbf57e00d6674d7ebd30c51f7c455519e4236a217db7
SHA1 hash: 241cbc0d823d4b74a95b09ae5a3719b39abc279e
MD5 hash: 89f889b05115d5e7e9f84f059d967d45
humanhash: xray-social-jupiter-hawaii
File name:orden de compra pdf.exe
Download: download sample
Signature Formbook
File size:776'192 bytes
First seen:2022-02-11 14:50:25 UTC
Last seen:2022-02-11 16:56:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jkHQcZomq8INFPz37AoECLuWcvGbEzhvn6sUORrRSwKNH8GKiphvUngP:jk18PrUpCLx03z9nTRgH8Eph
Threatray 13'535 similar samples on MalwareBazaar
TLSH T1DAF4F1EC355936DFCC6BD97AD9A82C649A6074B7530FA207901301ED9A0EAD3CF144E7
File icon (PE):PE icon
dhash icon f0c4b2d4f0a2ccf0 (25 x AgentTesla, 9 x Formbook, 6 x Loki)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
Found malware configuration
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
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
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: 570891 Sample: orden de compra pdf.exe Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 15 other signatures 2->64 10 orden de compra pdf.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\FbfXbxtC.exe, PE32 10->38 dropped 40 C:\Users\...\FbfXbxtC.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmpE4AE.tmp, XML 10->42 dropped 44 C:\Users\user\...\orden de compra pdf.exe.log, ASCII 10->44 dropped 68 Adds a directory exclusion to Windows Defender 10->68 14 BackgroundTransferHost.exe 13 10->14         started        16 RegSvcs.exe 10->16         started        19 RegSvcs.exe 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 23 explorer.exe 14->23 injected 48 Modifies the context of a thread in another process (thread injection) 16->48 50 Maps a DLL or memory area into another process 16->50 52 Sample uses process hollowing technique 16->52 54 Queues an APC in another process (thread injection) 16->54 56 Tries to detect virtualization through RDTSC time measurements 19->56 27 conhost.exe 21->27         started        29 conhost.exe 21->29         started        process8 dnsIp9 46 www.autnvg.com 209.142.79.20, 49811, 80 INNSYSCA Reserved 23->46 66 System process connects to network (likely due to code injection or exploit) 23->66 31 chkdsk.exe 23->31         started        signatures10 process11 signatures12 70 Modifies the context of a thread in another process (thread injection) 31->70 72 Maps a DLL or memory area into another process 31->72 74 Tries to detect virtualization through RDTSC time measurements 31->74 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-11 07:52:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2m3 rat spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Gathers network information
Modifies data under HKEY_USERS
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 Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5e30697d093accc40ed3c93f3139ab66259cf36f61a75e4c886df328faa2f3c4
MD5 hash:
108742549dc6c2e1a9ecb77a74e1cf35
SHA1 hash:
d28bc6f19e4d3685aaeee19851f14f9a1b031b9a
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
SH256 hash:
7dcf6ece47a8546b1a83d2a5973db6d13c6a3a9db4c5745611a2ba4c33cbae4e
MD5 hash:
b8cb1535e6f27bd9321054bf9d9876b7
SHA1 hash:
87ba4e77d27b4630190ed2aa677dfb797301fb60
SH256 hash:
2c3c06ae684b68083640169fb962cc24fb32d4efe232a0ec0727f7c5d69dacae
MD5 hash:
89f889b05115d5e7e9f84f059d967d45
SHA1 hash:
241cbc0d823d4b74a95b09ae5a3719b39abc279e
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:exec_macros
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Author:ddvvmmzz
Description:obfuscate macros
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