MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05d32cd3b93a055d165a689e3c561d6b32a291449ef4dbb2477d7b4153d7583e. 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: 05d32cd3b93a055d165a689e3c561d6b32a291449ef4dbb2477d7b4153d7583e
SHA3-384 hash: fb2c07cd508214480e0e3ac96e472a9fa3894a684f60cf93ea484d184aa438baab6802ce9074e4cde5df911ed1e2fb3f
SHA1 hash: 96f5802be69dc105a357bcb30c4ffcfe06d4792c
MD5 hash: 79c9818047628b7fc45634e58b7d746c
humanhash: west-oranges-fish-twelve
File name:PO-05218B.exe
Download: download sample
Signature Formbook
File size:604'160 bytes
First seen:2022-05-25 06:53:01 UTC
Last seen:Never
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:r14EuNe00GZFFJMDBOdV6Vv1fQ6V8tT5mfhB9UsbjHwPDG0avat:p4EuWkdV2v1fX86fhB9UsbjHMDG0aS
Threatray 15'818 similar samples on MalwareBazaar
TLSH T1CAD422092B6CC719E5705F77B8F4482183F4B458BC26D78E9E5BA9CA1CF370186706A7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO-05218B.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 07:29:03 UTC
Tags:
formbook trojan stealer

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 custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633813 Sample: PO-05218B.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 7 other signatures 2->50 9 PO-05218B.exe 3 2->9         started        process3 file4 26 C:\Users\user\AppData\...\PO-05218B.exe.log, ASCII 9->26 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 54 Injects a PE file into a foreign processes 9->54 13 PO-05218B.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 systray.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        28 onstatic-fr.setupdns.net 81.88.57.68, 80 REGISTER-ASIT Italy 19->28 30 www.infoservicepaypal.com 19->30 32 3 other IPs or domains 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-25 01:16:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:mwfc loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
c720d8d87e5744ef459c160ae3ae85984519c5cee89d4acd3d4156f929ebcca2
MD5 hash:
86f922d84e1b89f646bc23cb3d878a9c
SHA1 hash:
b61f4401c1a144d704988cf4e55dd9a71f8d8263
SH256 hash:
59f65fa010b6491828671eeeaddd91ab65bf3cd1204314727435a06c935fb7e6
MD5 hash:
3ac0a5717cf28aa57b8246675962762f
SHA1 hash:
b4f0326c3e8fcb6e66a1aede01ceca02fa387556
SH256 hash:
0283941f1f7ae72f88bb3044addc3f4274549c3fd771612ec3df95c80b708c9e
MD5 hash:
abcf7824b477074db7ac154a80d1e329
SHA1 hash:
9c6982829bff318776560846de7bcc39d3c16f7f
SH256 hash:
b782c5d8466d61f4b0886f7200a1a8273cf256b950c6b35ac2a583352f9b7333
MD5 hash:
addbea90a86712c3be6e1c3060218be2
SHA1 hash:
36a8e1e0aa2f3811914ac3b5f3f60b44ffc2f76d
SH256 hash:
05d32cd3b93a055d165a689e3c561d6b32a291449ef4dbb2477d7b4153d7583e
MD5 hash:
79c9818047628b7fc45634e58b7d746c
SHA1 hash:
96f5802be69dc105a357bcb30c4ffcfe06d4792c
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 05d32cd3b93a055d165a689e3c561d6b32a291449ef4dbb2477d7b4153d7583e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments