MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d. 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: 0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d
SHA3-384 hash: be67e0bf24877fc61b49209419b9fec679dd83871a47af0117157ac44096610bac997bc1e9f771bdefd751df0b810016
SHA1 hash: 993e4e36fe6718e67d616d6662e1624e831c020e
MD5 hash: 90cafbae85d97e06bb4d20f1283dd5b8
humanhash: august-july-johnny-oranges
File name:IMG0038.exe
Download: download sample
Signature Formbook
File size:1'311'744 bytes
First seen:2021-09-01 07:31:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:lOGA8h16GMR06hLnLNXxKKWaGQy6C7xd1St8cBipFcUIZnSZ0MXAGfF:HAm6D06hV7GQy6C7o8c+WNSZ0l
Threatray 8'723 similar samples on MalwareBazaar
TLSH T12255128E7610759FC627C97BDA981C209A707036570BE243A05325EEAE4E79BCF161F3
dhash icon ae53d212daccccca (8 x Formbook, 4 x AsyncRAT, 1 x NetWire)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG0038.exe
Verdict:
Malicious activity
Analysis date:
2021-09-01 07:35:05 UTC
Tags:
trojan rat asyncrat

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

Behaviour
DNS request
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Result
Threat name:
AsyncRAT FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 475591 Sample: IMG0038.exe Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 72 www.lanzamientosbimbocolombia.com 2->72 90 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->90 92 Multi AV Scanner detection for domain / URL 2->92 94 Found malware configuration 2->94 96 12 other signatures 2->96 12 IMG0038.exe 7 2->12         started        signatures3 process4 file5 64 C:\Users\user\AppData\...\UlszDwXwkoOpzV.exe, PE32 12->64 dropped 66 C:\...\UlszDwXwkoOpzV.exe:Zone.Identifier, ASCII 12->66 dropped 68 C:\Users\user\AppData\Local\...\tmp720B.tmp, XML 12->68 dropped 70 C:\Users\user\AppData\...\IMG0038.exe.log, ASCII 12->70 dropped 112 Uses schtasks.exe or at.exe to add and modify task schedules 12->112 114 Injects a PE file into a foreign processes 12->114 16 IMG0038.exe 4 12->16         started        19 schtasks.exe 1 12->19         started        21 IMG0038.exe 12->21         started        signatures6 process7 file8 58 C:\Users\user\AppData\Local\...\windows.exe, PE32 16->58 dropped 60 C:\Users\user\AppData\Local\...\security.exe, PE32 16->60 dropped 23 security.exe 3 16->23         started        26 windows.exe 6 16->26         started        30 conhost.exe 19->30         started        process9 dnsIp10 98 Machine Learning detection for dropped file 23->98 100 Tries to detect virtualization through RDTSC time measurements 23->100 102 Injects a PE file into a foreign processes 23->102 32 security.exe 23->32         started        76 192.168.2.1 unknown unknown 26->76 62 C:\Users\user\AppData\Roaming\RjOECz.exe, PE32 26->62 dropped 35 windows.exe 2 26->35         started        38 schtasks.exe 1 26->38         started        file11 signatures12 process13 dnsIp14 82 Modifies the context of a thread in another process (thread injection) 32->82 84 Maps a DLL or memory area into another process 32->84 86 Sample uses process hollowing technique 32->86 88 Queues an APC in another process (thread injection) 32->88 40 wlanext.exe 32->40         started        43 explorer.exe 32->43 injected 46 autochk.exe 32->46         started        48 autoconv.exe 32->48         started        74 podzeye.duckdns.org 194.233.74.91, 4442, 49709 NEXINTO-DE Germany 35->74 50 conhost.exe 38->50         started        signatures15 process16 dnsIp17 104 Modifies the context of a thread in another process (thread injection) 40->104 106 Maps a DLL or memory area into another process 40->106 108 Tries to detect virtualization through RDTSC time measurements 40->108 52 cmd.exe 40->52         started        78 www.jedshomebuilders.com 43->78 80 jedshomebuilders.com 34.102.136.180, 49721, 80 GOOGLEUS United States 43->80 110 System process connects to network (likely due to code injection or exploit) 43->110 54 autoconv.exe 43->54         started        signatures18 process19 process20 56 conhost.exe 52->56         started       
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-01 03:12:40 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:asyncrat family:formbook campaign:kkt rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Async RAT payload
Formbook Payload
AsyncRat
Formbook
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
podzeye.duckdns.org:4422
podzeye.duckdns.org:4442
podzeye.duckdns.org:4433
http://www.hometowncashbuyersgroup.com/kkt/
Unpacked files
SH256 hash:
405347d2de9de447397e65a4e8f3db934851cfc59941b160c719b4f7d0885a83
MD5 hash:
7c513c89db11c2038fe6be0a0c37f853
SHA1 hash:
fe7e24a11be4cd446bd3dc912488440d1d990db1
SH256 hash:
405335460192bce34011f2ca877ee3a4ff9fe17f8607a9120ae8948eee9120c3
MD5 hash:
86e9495b7a6a0460521c8aa028637cee
SHA1 hash:
4dc9573d5a639e787c9902d2cff059a8a4cd183b
SH256 hash:
b79bb97ef26e00247841bc1ad84baab9c20c0853150072a01599df969a28ba21
MD5 hash:
f63388e4df88780823c9b29d29b63dc9
SHA1 hash:
2e5334b1c9bc07cce58b858e356433a25d334a13
SH256 hash:
115a9a516484e019afb234e2c473cb0cf38cd2f97759887166c6ab375bcec0b5
MD5 hash:
43481e0a93b6db262eb7fe65c1bc9d0f
SHA1 hash:
2614d3bc17ee123f088ac4b78ed0cfb55da537f9
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
SH256 hash:
0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d
MD5 hash:
90cafbae85d97e06bb4d20f1283dd5b8
SHA1 hash:
993e4e36fe6718e67d616d6662e1624e831c020e
Malware family:
AsyncRAT
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: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 0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

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