MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b7f8b4d6fcece60060ef85e4b21cdce1b7b27cb5832410266aa67a492f2b809. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 2b7f8b4d6fcece60060ef85e4b21cdce1b7b27cb5832410266aa67a492f2b809
SHA3-384 hash: 89b47922201c823820b3b72cc48c60335f62c683f43439cb550764d8a47cea1f48a0324643f57dc5a9c3eca82d95cc80
SHA1 hash: 835309e09c3feb728103f2c8d11527f4f9bbc96c
MD5 hash: ab2c104d0340aa8a231e9bcc79694101
humanhash: nitrogen-sink-orange-thirteen
File name:DHL Shipping Documents.exe
Download: download sample
Signature Formbook
File size:638'976 bytes
First seen:2023-09-18 08:49:55 UTC
Last seen:2023-09-18 09:41:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:2YbAfDuHOX4fevflGR2mjEBJ01aj9DacwFiV5y5AsYVcgTuIRhth:2YbgCfMjm4BC1aj9DacJV54AsYVcgTuG
Threatray 472 similar samples on MalwareBazaar
TLSH T10ED401933279471EE23A16F519601B1406B0E3866703F29A2DB43A9ED7EDBC1C3527DB
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-09-18 11:23:26 UTC
Tags:
formbook xloader stealer spyware

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
Restart of the analyzed sample
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1309888 Sample: DHL_Shipping_Documents.exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 10 DHL_Shipping_Documents.exe 3 2->10         started        process3 signatures4 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 13 DHL_Shipping_Documents.exe 10->13         started        process5 signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 4 6 13->16 injected process7 dnsIp8 29 sarahklimekrealty.com 209.191.201.82, 49747, 80 PBNETUS United States 16->29 31 www.xv1lz.cfd 43.129.212.107, 49746, 80 LILLY-ASUS Japan 16->31 33 11 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Uses netstat to query active network connections and open ports 16->37 20 NETSTAT.EXE 16->20         started        23 autochk.exe 16->23         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-18 03:06:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 35 (54.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cy12 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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
SH256 hash:
784d4e0af30bcca58d54f86b6966e1c147bcc194a99126ebe79538e9084f6d80
MD5 hash:
5caf74e6818e40e82651781613a42425
SHA1 hash:
2a182b1552373e0907bfd03db31120596df994d0
SH256 hash:
281a4044a29b51b0ceef440e1bc38e7d73279793e85f93820f3d5492af611733
MD5 hash:
f06e6e9a87facef145460489fd8049c8
SHA1 hash:
044e4980e937c2d599d1e0917d1d5df17e4a07a3
SH256 hash:
2b7f8b4d6fcece60060ef85e4b21cdce1b7b27cb5832410266aa67a492f2b809
MD5 hash:
ab2c104d0340aa8a231e9bcc79694101
SHA1 hash:
835309e09c3feb728103f2c8d11527f4f9bbc96c
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 2b7f8b4d6fcece60060ef85e4b21cdce1b7b27cb5832410266aa67a492f2b809

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments