MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2affbb57b10032083dc1fe15a3c1ff1a2aa0b59f74b4ac6d094e94db6a650faa. 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 3 File information Comments

SHA256 hash: 2affbb57b10032083dc1fe15a3c1ff1a2aa0b59f74b4ac6d094e94db6a650faa
SHA3-384 hash: b00b7a841f63dce7ff857b6145b30e503e358791824960795651d16c6480f488ae2daefaa3dbfcbfd9cbb37144c7b2c1
SHA1 hash: 76dee4e7e7c2f22da904b6629880c3f89dca8fed
MD5 hash: 265de87c891fc42f378339b4ce0406f5
humanhash: potato-mockingbird-october-ohio
File name:Product_Order#250422.exe
Download: download sample
Signature Formbook
File size:263'363 bytes
First seen:2022-04-26 05:39:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (733 x GuLoader, 452 x Formbook, 295 x Loki)
ssdeep 6144:RNeZDB8aLhqAiHxYBc8LIoIXIBODBUrctV:RNEB3LhuSxIohODBUY
Threatray 15'170 similar samples on MalwareBazaar
TLSH T1BC44BEB1DA9588A2D8D21A704137CD7165AB7C25B0E4068F1EFD7E2B3937B83447A21B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c0e0b09c9092f468 (2 x AgentTesla, 2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook lokibot nemesis overlay packed python shell32.dll
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
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
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 dropped file
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
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 virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 615428 Sample: Product_Order#250422.exe Startdate: 26/04/2022 Architecture: WINDOWS Score: 100 34 www.metaverseedtech.com 2->34 36 www.iexiufu.net 2->36 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 6 other signatures 2->58 12 Product_Order#250422.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\aueycsx.exe, PE32 12->32 dropped 15 aueycsx.exe 12->15         started        process6 signatures7 72 Multi AV Scanner detection for dropped file 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 aueycsx.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.luciamoca.com 217.160.0.87, 49778, 80 ONEANDONE-ASBrauerstrasse48DE Germany 21->38 40 www.oasispoolth.com 119.59.97.28, 49769, 80 METRABYTE-TH453LadplacoutJorakhaebuaTH Thailand 21->40 42 3 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 62 Performs DNS queries to domains with low reputation 21->62 64 Uses ipconfig to lookup or modify the Windows network settings 21->64 25 ipconfig.exe 21->25         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 25->66 68 Maps a DLL or memory area into another process 25->68 70 Tries to detect virtualization through RDTSC time measurements 25->70 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-25 17:16:18 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:dx3n loader rat suricata
Behaviour
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8d11c44217375b32171826b6a0827a5bd59c576cd07ac0d91e617c9b34d7f9cb
MD5 hash:
01e5a71d364fd7c6a3419a0863846609
SHA1 hash:
0effe309b66fc808a67ba7469448411dc4aa28f6
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
594867ac084f9b5e35c0203f5f17056e0283763818d31c0ef27991df6fde402b
MD5 hash:
07eb6ca20e44a73137cb1ac0a34b2012
SHA1 hash:
c780b3e27c816cbede140dfae431d23b75398ef3
SH256 hash:
6ca89a24eed55a5ea0d6f06691ceab2453fba2b565ce8c6cdb19a83abd3e090d
MD5 hash:
d78d782497809622459b962eb24507b6
SHA1 hash:
34b5f4b25e6ff556adc4de711ccd3693f2acc402
SH256 hash:
2affbb57b10032083dc1fe15a3c1ff1a2aa0b59f74b4ac6d094e94db6a650faa
MD5 hash:
265de87c891fc42f378339b4ce0406f5
SHA1 hash:
76dee4e7e7c2f22da904b6629880c3f89dca8fed
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pdb2
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 2affbb57b10032083dc1fe15a3c1ff1a2aa0b59f74b4ac6d094e94db6a650faa

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments