MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b09437115916f8ec5aefbae162287bab1fc7ea6259997447315d0e289ba3a81f. 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: b09437115916f8ec5aefbae162287bab1fc7ea6259997447315d0e289ba3a81f
SHA3-384 hash: 37ba82e8c31a102ed791a48b070cb543770db97ffb828b5e7d0933299631e51313d30db739b9ad503c7e67c62506132a
SHA1 hash: c6e321f00993da35aa5345e4f6bef46d3a631543
MD5 hash: 4af3a903578605bf7aef75f4bc0c6406
humanhash: happy-lactose-oklahoma-sierra
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
File size:815'104 bytes
First seen:2022-10-24 06:42:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oy10PPJaxEOCf5lpLR6AlA3jQWFlTrU8ROVzhAIPzcC5r55HgjQY:pPD/U8R2tPzcCZeQY
TLSH T1D5058B34279A4F07E0EACF38B4B0D2B057665D7BB96E8A86CAD46CF379122B05D0D147
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
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)
File icon (PE):PE icon
dhash icon 00c4f8d2b290c200 (6 x AgentTesla, 5 x Formbook, 3 x NanoCore)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 06:45:12 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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 728883 Sample: DHL Notification_pdf.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 31 www.65601.top 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Yara detected AntiVM3 2->39 41 8 other signatures 2->41 11 DHL Notification_pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\DHL Notification_pdf.exe.log, ASCII 11->29 dropped 51 Injects a PE file into a foreign processes 11->51 15 DHL Notification_pdf.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.okcode.vip 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 msdt.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 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:
2022-10-24 01:52:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2e8 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:
72f7272d0e8af849c87030cb8b6ce362ef9896400be3ef27e56970f21cd8b691
MD5 hash:
b238075b563644dcd4566f6810971c75
SHA1 hash:
aecaabc92c02f89d34de30c1e5b265518d41b2b8
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
6b5dc52695575069b2d68f1908e38cea51d9d5509df750c7cef47b55efbcced0
MD5 hash:
b2857fdc7e86cdb386e09586e295bc6e
SHA1 hash:
e10e29ebbb7276bcb4ec6a93ee4b9fbd18f1dd38
SH256 hash:
3ba16a92b2b40d38c6e5e30f882a4c60b3838611868d990b7d986eb4018c17cb
MD5 hash:
16d6f358cc62b12dc869da8a59b03eda
SHA1 hash:
5eaf3662fbd4193086df2ba7233e9652542be8a3
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
c16176e81185f2af4ab74163e549a7063dc7c088782d33d3776c0f814deb6a5b
MD5 hash:
ac4ee36debbfc04483865277f1e0ea9e
SHA1 hash:
1136d02f331ed80e5f67b33233137b133f0f72d4
SH256 hash:
b09437115916f8ec5aefbae162287bab1fc7ea6259997447315d0e289ba3a81f
MD5 hash:
4af3a903578605bf7aef75f4bc0c6406
SHA1 hash:
c6e321f00993da35aa5345e4f6bef46d3a631543
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