MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42b03868b228a6ad438ae1ec4601d442b7271026a237f37f6ac9db725d08a034. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 42b03868b228a6ad438ae1ec4601d442b7271026a237f37f6ac9db725d08a034
SHA3-384 hash: d38029671c286238cdc57f24f1792467adea155a255a4cc6003ed87804186f246e5b6ce4c1cc9ac25c5154739326c7b3
SHA1 hash: 108b77e4dbd2bdbb08b9caa156d055d375728a66
MD5 hash: 2bc43bd3c84c9e3c0804ee4464c57c66
humanhash: diet-beryllium-salami-snake
File name:2bc43bd3c84c9e3c0804ee4464c57c66.exe
Download: download sample
Signature Formbook
File size:582'656 bytes
First seen:2021-03-08 13:37:46 UTC
Last seen:2021-03-08 16:03:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:GveI+0TWNVP4k0TdL72z0VSU34RRYY780Hs+Gd3TBQXwiXceLoUid63JazbNsp:G00WlidO4sF380M+GFBcce9o6wz
TLSH 50C468A0E2CF4F1FDC294E7A0E23C54792E4AE01F9E0B55AFACD725A0D3D940764A257
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2bc43bd3c84c9e3c0804ee4464c57c66.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-08 13:39:05 UTC
Tags:
n/a

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
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 364575 Sample: wQkQYqggrE.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 33 www.usmedicarenow.com 2->33 35 www.rizrvd.com 2->35 37 7 other IPs or domains 2->37 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 11 wQkQYqggrE.exe 3 2->11         started        15 SearchUI.exe 3 39 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\wQkQYqggrE.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 17 wQkQYqggrE.exe 11->17         started        signatures6 process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 process10 22 mstsc.exe 20->22         started        signatures11 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        27 explorer.exe 2 155 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-07 06:40:07 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rizrvd.com/bw82/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
42b03868b228a6ad438ae1ec4601d442b7271026a237f37f6ac9db725d08a034
MD5 hash:
2bc43bd3c84c9e3c0804ee4464c57c66
SHA1 hash:
108b77e4dbd2bdbb08b9caa156d055d375728a66
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe 42b03868b228a6ad438ae1ec4601d442b7271026a237f37f6ac9db725d08a034

(this sample)

  
Delivery method
Distributed via web download

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