MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba45d54daa7a476a1b982441de4b7e8b14eb63d3ffc95d83a02eb51c45ee0edf. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: ba45d54daa7a476a1b982441de4b7e8b14eb63d3ffc95d83a02eb51c45ee0edf
SHA3-384 hash: 3fa256a7daee0458862a5159c75cbebb83f72e48600c9e28bc8fd19e4fbbe5717ef578adc4cec5faa4462d9205b71c43
SHA1 hash: 1184d6f0782273cfe78330bc166d756af5e88e75
MD5 hash: 638f0daeefd3e601bf4387aea6442ae5
humanhash: nevada-massachusetts-oregon-high
File name:INVOCE-EZ09342-20210826.exe
Download: download sample
Signature Formbook
File size:1'042'432 bytes
First seen:2021-08-26 13:49:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:aSWLQs+BLwH1auDiINqWlVfUJo01MmV6LNbC4ASDs/6lB+BM4GPX:aSWksIkauOINqWXUCUMmmC4AAkBHG
Threatray 8'430 similar samples on MalwareBazaar
TLSH T11825B23C98FD2927C066CA76CBF4D827B404D9AF3226ADA554D757264353B8330C7A2E
dhash icon d4b0aa8b8bae9edc (7 x Formbook, 7 x Loki, 5 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOCE-EZ09342-20210826.exe
Verdict:
Malicious activity
Analysis date:
2021-08-26 13:52:20 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 472238 Sample: INVOCE-EZ09342-20210826.exe Startdate: 26/08/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 8 other signatures 2->44 10 INVOCE-EZ09342-20210826.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Local\...\tmp49F3.tmp, XML 10->34 dropped 36 C:\Users\user\AppData\Roaming\RZQXnhO.exe, PE32 10->36 dropped 46 Uses schtasks.exe or at.exe to add and modify task schedules 10->46 48 Adds a directory exclusion to Windows Defender 10->48 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 INVOCE-EZ09342-20210826.exe 10->14         started        17 powershell.exe 24 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 systray.exe 21->27         started        signatures10 54 Modifies the context of a thread in another process (thread injection) 27->54 56 Maps a DLL or memory area into another process 27->56 58 Tries to detect virtualization through RDTSC time measurements 27->58 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-26 13:50:14 UTC
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mej6 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fullbramj.xyz/mej6/
Unpacked files
SH256 hash:
ba0c12fa4bf3caff847938f0cf4c4c65f0745afc6b6fe29eafc878b14486703c
MD5 hash:
15da0ed271f2f66e458345f9ec6c103b
SHA1 hash:
ecd5b8b8b0f6fd7c89e6db07f1391127d13b2e8f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
0134918756507ada151c10f1474362b58a3285aaa90d0946b879760090545d5a
MD5 hash:
87d61a04a97bd615bfee95790f89b970
SHA1 hash:
a118376f729458066efb709d529eb8dfc8f44611
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
c33bee0c5489994c68f64f1e915fa9ff2a9958a8e5f1b64644b7ab37c968945d
MD5 hash:
06e2ada217e07dbba1d939b8c5c2a397
SHA1 hash:
99618429694bd667869f6818c1dabefff2790c3e
SH256 hash:
ba45d54daa7a476a1b982441de4b7e8b14eb63d3ffc95d83a02eb51c45ee0edf
MD5 hash:
638f0daeefd3e601bf4387aea6442ae5
SHA1 hash:
1184d6f0782273cfe78330bc166d756af5e88e75
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: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.

  
Delivery method
Distributed via e-mail link

Comments