MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8e45b2b0117e0a1e195a054667fca524862223bd2838a17f2ac9f47fe6191cc. 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 2 File information Comments

SHA256 hash: a8e45b2b0117e0a1e195a054667fca524862223bd2838a17f2ac9f47fe6191cc
SHA3-384 hash: a69a7fd299028248311aec4d9071fd7f4fabd248ea444bdd34f6ac06eaf3fe2f01206ea794bbc3da41ee6ac3be416672
SHA1 hash: b14a8eb559a7a28388b7cede334ccc08914c2516
MD5 hash: 628a7485ff121976a776a305616581f5
humanhash: johnny-alabama-zulu-fillet
File name:new order pdf.exe
Download: download sample
Signature Formbook
File size:510'976 bytes
First seen:2022-04-06 17:28:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:83r9bKr/rOu8gXNbS7jFQGFKutiCWlc28zbZ4cqtpvF:UeTOlgXtYFoPBlc2kqtF
Threatray 14'050 similar samples on MalwareBazaar
TLSH T1C9B4128627E86716D4BF87F2F02241804771A65B3475E62CCDE274EF1A23791AA06FD3
File icon (PE):PE icon
dhash icon f8e4f239d9b8f8e0 (21 x SnakeKeylogger, 20 x AgentTesla, 11 x Formbook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file
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
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 dropped file
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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: 604218 Sample: new order pdf.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 15 other signatures 2->48 10 new order pdf.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\vEyBxaRI.exe, PE32 10->34 dropped 36 C:\Users\...\vEyBxaRI.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp8BBA.tmp, XML 10->38 dropped 40 C:\Users\user\...\new order pdf.exe.log, ASCII 10->40 dropped 50 Adds a directory exclusion to Windows Defender 10->50 14 RegSvcs.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 2 other signatures 14->64 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 cmstp.exe 21->27         started        signatures10 52 Modifies the context of a thread in another process (thread injection) 27->52 54 Maps a DLL or memory area into another process 27->54 56 Tries to detect virtualization through RDTSC time measurements 27->56 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:
2022-04-06 15:01:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2m3 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 WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
fe58122a2dc9f6b7c57eb945796affbcaa214b940cc31ea78bb3a93ec99b78bd
MD5 hash:
d4be86e94d2483566e3b788be1cf4658
SHA1 hash:
9e859c78492536bbcb13ce9a1efdebf5b73a6316
SH256 hash:
c0b62a97a107f77b627398436e5893a9d8a2b201e2bc29c39eaab93f28c0b60c
MD5 hash:
a9a858edecadde6ec8736800d5e96ffd
SHA1 hash:
7aa6dd43f2a97600b4a3a206ec812fdcae253ccd
SH256 hash:
7d43764722a76b349169831a42a09aa91fd97b2dba6b23667f3ecbab2ceaa016
MD5 hash:
3ddaf159eb16d26b6df627f552d558b0
SHA1 hash:
12fd2b8b752a1dae6272b2e8f9c5b0ec370b9a33
SH256 hash:
a8e45b2b0117e0a1e195a054667fca524862223bd2838a17f2ac9f47fe6191cc
MD5 hash:
628a7485ff121976a776a305616581f5
SHA1 hash:
b14a8eb559a7a28388b7cede334ccc08914c2516
Malware family:
FormBook
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 a8e45b2b0117e0a1e195a054667fca524862223bd2838a17f2ac9f47fe6191cc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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