MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31294a77715355bb005c34f26ac3419704bda293a6bc931bbef0818ddd227ac3. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 31294a77715355bb005c34f26ac3419704bda293a6bc931bbef0818ddd227ac3
SHA3-384 hash: 15167cd34ac1810ef97323b9d7d9b3a6df10453c2885362703e513faf0d0607de0bdde5925fd33fb0acd2da537260412
SHA1 hash: 189c2696fdc1d74410d4a5cfc2543ab9902dcc45
MD5 hash: e3f1fbea4c55ae7a12b3ce53455d46d7
humanhash: utah-uncle-bravo-alpha
File name:Order #TX110804#.exe
Download: download sample
Signature Formbook
File size:642'048 bytes
First seen:2022-04-07 05:54:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:rnFT9R44b01NXkGGoRi6miFj5CsjNAckO:rrp01N0GGogiC0
Threatray 14'793 similar samples on MalwareBazaar
TLSH T1CBD4BF03DA111318E5962E781E608B64075AAD0AFC6CF1AFDE99FC477B7BDDB100C689
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Order #TX110804#.exe
Verdict:
Malicious activity
Analysis date:
2022-04-07 06:23:55 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
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe evasive obfuscated packed replace.exe
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
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 604578 Sample: Order #TX110804#.exe Startdate: 07/04/2022 Architecture: WINDOWS Score: 100 31 www.gmcrjizppcx.mobi 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 11 Order #TX110804#.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Order #TX110804#.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Order #TX110804#.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.csfromsinai.com 3.64.163.50, 49773, 80 AMAZON-02US United States 18->33 35 www.emdestak.com 18->35 37 4 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-07 05:55:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
fa2d10f34f84bba9b1c2f3e3a05b5c70c2c2a380e728f5184fb5be5fc90f55f2
MD5 hash:
1ccb54f9802ccf47daa3e3f24a6524b9
SHA1 hash:
2ece5beef8802fbd2a7ab6dd8186499ad6f72796
SH256 hash:
31294a77715355bb005c34f26ac3419704bda293a6bc931bbef0818ddd227ac3
MD5 hash:
e3f1fbea4c55ae7a12b3ce53455d46d7
SHA1 hash:
189c2696fdc1d74410d4a5cfc2543ab9902dcc45
Malware family:
XLoader
Verdict:
Malicious
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.

Malspam

Formbook

Executable exe 31294a77715355bb005c34f26ac3419704bda293a6bc931bbef0818ddd227ac3

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments