MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44c088af1487247b48ef427d49ce3be93642e593f3ba4d730ba41d56ce17b66b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 44c088af1487247b48ef427d49ce3be93642e593f3ba4d730ba41d56ce17b66b
SHA3-384 hash: eb4633c66bdced17d05b776b58e110f14c1c05afa65c9d19257847f07908f2e34fa37a3e36c0201db2037b9364375d44
SHA1 hash: 4e08b30841c1b6ab070dff1bb173de0c1de80d15
MD5 hash: f096be8a5bfe60b7a4a20518b5f7b601
humanhash: kansas-sodium-lake-timing
File name:f096be8a5bfe60b7a4a20518b5f7b601
Download: download sample
Signature Formbook
File size:677'888 bytes
First seen:2022-05-12 08:20:41 UTC
Last seen:2022-05-12 08:57:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FpzpmpfT89WJ2HGOlG3980jpQ+dJi6Ztv10m3wWaPaVp:F58S9T7l+98eQwJi6ZtvKWWaV
Threatray 12'209 similar samples on MalwareBazaar
TLSH T143E40218B7EADA22D1AE7F36D4F5101417B9BE4AA033D31E2DC8124D2E537D74A613A3
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)
File icon (PE):PE icon
dhash icon e0d2e25945ba9cf0 (15 x AgentTesla, 9 x Formbook, 7 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
382
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated 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
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 625007 Sample: zuMVwCDM29 Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 37 www.admincost.com 2->37 39 www.servellobody.com 2->39 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 9 zuMVwCDM29.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\udKsgEOkb.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\Local\...\tmpC294.tmp, XML 9->33 dropped 35 C:\Users\user\AppData\...\zuMVwCDM29.exe.log, ASCII 9->35 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 9->55 57 Adds a directory exclusion to Windows Defender 9->57 59 Tries to detect virtualization through RDTSC time measurements 9->59 13 zuMVwCDM29.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 13->67 69 Maps a DLL or memory area into another process 13->69 71 Sample uses process hollowing technique 13->71 73 Queues an APC in another process (thread injection) 13->73 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 41 www.kapamilla.com 20->41 43 kapamilla.com 34.102.136.180, 49803, 80 GOOGLEUS United States 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 28 explorer.exe 20->28         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Status:
Malicious
First seen:
2022-05-11 07:16:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
570a4d8efab9633df4074bd32f7458ae057ddf3799d97dd459b0f119349d74ba
MD5 hash:
af69e6a17488154fa8b5e759295138e0
SHA1 hash:
4495ca5cb16b4aa57b18c2caf63997b80e38f04f
SH256 hash:
378d505ece64c6f2df719ad8605dc0fd6a09e41a0daa7994dd74b89e3d317b32
MD5 hash:
831de3c3c793aee0d3067c9f41ccf7a4
SHA1 hash:
5b0c21a5e0b5f94adbe4e58f3509277bc5b44769
SH256 hash:
c206122a7336385be557580c114ac0923192f61bc8f77aa58c898135438399f9
MD5 hash:
6c9e813248a01432890c476813d210b8
SHA1 hash:
fd54aa3af58fc3a88cb3fd6753d773cd6c51b7f8
SH256 hash:
44c088af1487247b48ef427d49ce3be93642e593f3ba4d730ba41d56ce17b66b
MD5 hash:
f096be8a5bfe60b7a4a20518b5f7b601
SHA1 hash:
4e08b30841c1b6ab070dff1bb173de0c1de80d15
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.

Web download

Formbook

Executable exe 44c088af1487247b48ef427d49ce3be93642e593f3ba4d730ba41d56ce17b66b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-12 08:20:42 UTC

url : hxxp://198.12.89.165/450/vbc.exe