MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc0fe4b4b6bf019790cdf82fda499ae14961fafaedf137aa2325b30fe2f8cea5. 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: dc0fe4b4b6bf019790cdf82fda499ae14961fafaedf137aa2325b30fe2f8cea5
SHA3-384 hash: 55d1cd507006e191b096adbf16dd463d6490a29d35d62e95ae3717c9d5a64f95f0022c4562cf130e4f7ba09be546bc47
SHA1 hash: 9afebfc8d415a165d73229f4b211c81be897ef73
MD5 hash: adc893c87d953dd99237ec5177a4ddf4
humanhash: burger-illinois-oven-snake
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
File size:887'296 bytes
First seen:2022-09-13 06:25:39 UTC
Last seen:2022-09-13 13:07:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:53xf49IUAysIJ4iV8mLNWgCawNg0JhwRd5CVHkWt5TGr:B2FAysIJ7dLogCaMg0JeR+kI5i
TLSH T10E152A0721D50DA5C07651BC24CCC5B39B6ACE85E63BC946BFC99CAFF192F2846D23A1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-13 06:26:32 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 window
Unauthorized injection to a recently created process
Creating a file
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
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 701883 Sample: DHL Notification_pdf.exe Startdate: 13/09/2022 Architecture: WINDOWS Score: 100 31 www.sexporno-girls.com 2->31 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AntiVM3 2->41 43 8 other signatures 2->43 11 DHL Notification_pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\DHL Notification_pdf.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 DHL Notification_pdf.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 smartcorpmail.com 135.148.40.236, 49736, 80 AVAYAUS United States 18->33 35 www.smartcorpmail.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Uses netsh to modify the Windows network and firewall settings 18->47 22 netsh.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-13 02:33:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ko29 rat spyware stealer trojan
Behaviour
Gathers network information
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d88c2a0eb00d6ad8772f6231cc41db0e0df2d24727f2f3b03337e807dbc5b221
MD5 hash:
ccca4dac297e19d40daba907998f0dee
SHA1 hash:
e387b25f774c5e728b962a4c29ef33f1e184e3ec
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
58fbc53d63e7e51a4d95a659a1cd2a56e53dda0aaa249f3eb739f2f46bc87211
MD5 hash:
d741ae49cbae95784ede7c3c256c44e8
SHA1 hash:
1607fe481adf985bd5542df4964887644675349f
SH256 hash:
dc0fe4b4b6bf019790cdf82fda499ae14961fafaedf137aa2325b30fe2f8cea5
MD5 hash:
adc893c87d953dd99237ec5177a4ddf4
SHA1 hash:
9afebfc8d415a165d73229f4b211c81be897ef73
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