MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee. 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 3 File information Comments

SHA256 hash: 3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee
SHA3-384 hash: 2e535748dad3c4fc34fb7af0c4ea6571cf829e5fc9777f0054d61afdbf02c24320b6ca02ec605e0cf4c7f30b04eee2ec
SHA1 hash: 75fb5edc7293ecdd727a5a487d4db616f6360089
MD5 hash: 8d239f379c7f633509acee0f379afcff
humanhash: montana-pennsylvania-pip-snake
File name:Invoice & Shipment Documents.exe
Download: download sample
Signature Formbook
File size:735'744 bytes
First seen:2022-08-02 08:09:27 UTC
Last seen:2022-08-02 08:12:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HsuwWmOhLuyAH+2iNexfuHBOB44qEnkp5zpkE6h598C:KUhLuyy+18MHScFL6a
TLSH T15AF4AC2235D5721AE0298E3787E0A4A85BE1FD12F709E5A72D913387C7F3E708D56D22
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Forced shutdown of a system process
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 method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 dnsIp2 2 Behavior Graph ID: 677206 Sample: Invoice & Shipment Documents.exe Startdate: 02/08/2022 Architecture: WINDOWS Score: 100 31 www.moneytiez.com 2->31 33 www.erilb.com 2->33 35 shopping1.shopicool.com 2->35 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 9 other signatures 2->49 11 Invoice & Shipment Documents.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\Invoice & Shipment Documents.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 Invoice & Shipment Documents.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.carparts77.info 103.224.212.221, 49829, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->37 39 www.swramada.com 156.254.66.41, 49826, 80 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 18->39 41 www.heavymental.xyz 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 systray.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 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:
2022-08-02 08:10:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:v4qp loader persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
4c58a8bada963f256a972e1546d96de29058893e847edb2d0aaeca1c76bec874
MD5 hash:
3cf714551b23fe3c2bc2adb65f754ef5
SHA1 hash:
0f9675f3768869ec3f5c54bf53ad9074f5c44a34
SH256 hash:
3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee
MD5 hash:
8d239f379c7f633509acee0f379afcff
SHA1 hash:
75fb5edc7293ecdd727a5a487d4db616f6360089
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments