MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c9b6a1036559bd3787fcfe9f23e3a65c7b409e22f6247709934eb7b1b9860cf. 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 2 File information Comments

SHA256 hash: 5c9b6a1036559bd3787fcfe9f23e3a65c7b409e22f6247709934eb7b1b9860cf
SHA3-384 hash: a3633097028af5a07d172b1155957f192f67cbbcf39e9e904b4f833580b6060c4dc17cfcfeabb3f4fa65dd3ae9eec8d4
SHA1 hash: a583a53f1a08b34e9fed05088ceb549db795ba8b
MD5 hash: c3a7e40b71159cc1fd645b7cdc63b16a
humanhash: music-potato-twelve-bakerloo
File name:DHL Invoice Details_pdf.exe
Download: download sample
Signature Formbook
File size:826'368 bytes
First seen:2022-11-21 20:13:34 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 24576:Hr18+L74mBfNUstzoah9EgLOuiliO3r8JN:HrBFLOuUiOI
TLSH T14D053B4F2A7FDDE0EB246CFB22545703AE315DE9AA87CA6843987BC650F261C5F70424
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Invoice Details_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 20:17:46 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 window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751178 Sample: DHL Invoice Details_pdf.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 9 other signatures 2->42 10 DHL Invoice Details_pdf.exe 3 2->10         started        process3 file4 28 C:\Users\...\DHL Invoice Details_pdf.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 DHL Invoice Details_pdf.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.supremocintrol.com 185.53.179.172, 49728, 80 TEAMINTERNET-ASDE Germany 17->30 32 www.decungo.com 160.124.100.222, 49729, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 17->32 34 8 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2022-11-21 14:25:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cobaltstrike
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:j17j rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b844a1c1fe6f4bb180ee03beb0a150e8621646822357c9f8ffb36bb0e27e342a
MD5 hash:
441f3ed76faa64115527ea1e7ab39519
SHA1 hash:
cef6ff0db32ee429ae764372ae50de4113dee594
SH256 hash:
2681d78e34e685054a70cc088cd2eecb9a9be1af2d4a23fb1a9a90959b43fd82
MD5 hash:
4ccc713bb8215603fb28790a0d895ba5
SHA1 hash:
b62574be664fa9c8fdc1aad7da2411d415fe3832
SH256 hash:
f78b2c174bee29159e2c26c0e48d98f612b150c54befeb26f39475508b2f17bd
MD5 hash:
e019dc221b88350f43b19d7fc829710d
SHA1 hash:
8239de4f76c63a067bf34e6bfd434e8b3db83770
SH256 hash:
31b663b91f11b8f7da1d8bd87f8532e563f301754b1ca2c0a97c2f358ad116dd
MD5 hash:
ba1868faf5de09265b89c44732c1ab3d
SHA1 hash:
38997e35e0c68866a2a6e4a7356252e1f252e2e5
SH256 hash:
5c9b6a1036559bd3787fcfe9f23e3a65c7b409e22f6247709934eb7b1b9860cf
MD5 hash:
c3a7e40b71159cc1fd645b7cdc63b16a
SHA1 hash:
a583a53f1a08b34e9fed05088ceb549db795ba8b
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