MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e9aba7aa4cb5b012889435a0bdaf3ac311ff6c7545b5c156f7c3cd3e3510f34. 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: 16


Intelligence 16 IOCs YARA File information Comments

SHA256 hash: 5e9aba7aa4cb5b012889435a0bdaf3ac311ff6c7545b5c156f7c3cd3e3510f34
SHA3-384 hash: 00846ff30feb78afee40b5f1bbf76036da5c027a20a6abc94080c91a89e37c7fb45bac37ff1b6eee09b3edd302ff7acb
SHA1 hash: 64ca16d365f80e529446583a8900b7b28d356487
MD5 hash: a6481e8a071be497473fd37fdabe8d83
humanhash: delaware-early-happy-lake
File name:a6481e8a071be497473fd37fdabe8d83.exe
Download: download sample
Signature Formbook
File size:259'569 bytes
First seen:2022-05-12 07:31:48 UTC
Last seen:2022-05-12 08:57:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:LOtIOaQ4mqaLdIyVopyt9MgHKWZQ9kNXBUpjHnSGLL/H4JYUxDHBk:LOLah7aGyVopFgqWZQ6NXmRnSGXvyx9k
Threatray 15'398 similar samples on MalwareBazaar
TLSH T1A64412016390E8E3F42216329D32AB129FF98926A8F1874747107A59FD346D31BDFA77
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connecting to a non-recommended domain
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 625123 Sample: rrRlkBgAuN.exe Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 34 www.floridasunbreaks.com 2->34 36 www.gosti24.com 2->36 52 Snort IDS alert for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 5 other signatures 2->58 12 rrRlkBgAuN.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\ggytbnywzd.exe, PE32 12->32 dropped 15 ggytbnywzd.exe 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 18 ggytbnywzd.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.xpartner.biz 192.185.211.151, 49772, 80 UNIFIEDLAYER-AS-1US United States 21->38 40 www.chaquetashapticas.com 64.190.63.111, 49780, 80 NBS11696US United States 21->40 42 6 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 25 wscript.exe 21->25         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-11 04:36:23 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:arh2 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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
025317552b9711967bdb8ccb720cad81a69d061d8fd63d4aacf60a1e0e5cbc74
MD5 hash:
b29c98b002bd9d9306908b15149e4629
SHA1 hash:
c104c63462343a08b71ca1294339bf8ff536e166
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6811f56b2438d320104a45235f3c65b63bb06f1fbc3cbb76ccb0b32b431a9551
MD5 hash:
c5985260f0c96d0d8450bf159ce28a57
SHA1 hash:
20cb4327c7c1323ee1bbdb1d4c4d5cbf1c44069c
SH256 hash:
5e9aba7aa4cb5b012889435a0bdaf3ac311ff6c7545b5c156f7c3cd3e3510f34
MD5 hash:
a6481e8a071be497473fd37fdabe8d83
SHA1 hash:
64ca16d365f80e529446583a8900b7b28d356487
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 5e9aba7aa4cb5b012889435a0bdaf3ac311ff6c7545b5c156f7c3cd3e3510f34

(this sample)

  
Delivery method
Distributed via web download

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