MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eadfef2b763b5d1e06929169e6b0f9858b1af9c51a389a09f0dc87f4e1e8c1ff. 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: 15


Intelligence 15 IOCs YARA File information Comments

SHA256 hash: eadfef2b763b5d1e06929169e6b0f9858b1af9c51a389a09f0dc87f4e1e8c1ff
SHA3-384 hash: 607bac754d5d7c37803620d904431e6d64543a1ccec301c155be049ff59c6ecfd6bdd5296e08559bc20d412b41f87ee2
SHA1 hash: 020f89a740bf7473d44a3bfc9a2de50873d4f612
MD5 hash: 6d8f599e14fd87f22bcbcd27b53b76b8
humanhash: zulu-fish-burger-item
File name:INVOICE.exe
Download: download sample
Signature Formbook
File size:218'478 bytes
First seen:2022-04-28 12:16:33 UTC
Last seen:2022-04-28 22:35:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmlSGaf7BHOCNdrHCuki4wJggT6b4x8OLv:HNllSG4HOM0i4wJak8+v
Threatray 15'247 similar samples on MalwareBazaar
TLSH T1F524126265D8C517E0775B330E3C366B9EF6E107016EAB0B07541B9FBD2B2C1AA0E751
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 GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 617318 Sample: INVOICE.exe Startdate: 28/04/2022 Architecture: WINDOWS Score: 100 32 www.2983586231.com 2->32 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 INVOICE.exe 18 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\itgujqc.exe, PE32 11->30 dropped 14 itgujqc.exe 11->14         started        process6 signatures7 60 Multi AV Scanner detection for dropped file 14->60 62 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->62 64 Uses netsh to modify the Windows network and firewall settings 14->64 66 2 other signatures 14->66 17 itgujqc.exe 14->17         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Sample uses process hollowing technique 17->40 42 Queues an APC in another process (thread injection) 17->42 20 netsh.exe 17->20         started        23 explorer.exe 17->23 injected process10 dnsIp11 52 Modifies the context of a thread in another process (thread injection) 20->52 54 Maps a DLL or memory area into another process 20->54 56 Tries to detect virtualization through RDTSC time measurements 20->56 26 cmd.exe 1 20->26         started        34 www.usevqusevq.com 46.8.8.100, 49796, 80 GRANSYGransysrohttpgransycomCZ Russian Federation 23->34 58 System process connects to network (likely due to code injection or exploit) 23->58 signatures12 process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-28 09:01:04 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r31e rat spyware stealer suricata trojan
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
861903f997faec1c4c00d052724b71e2fc9cf4f904f95abf73c94445070d6430
MD5 hash:
ea287bbd825aa9d7d43a3e49892b34d7
SHA1 hash:
b3494917dd0cf23a40d96c6dfb7b2ea7232b9b4a
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
269949f263f4d4951e421e9c27526ba291ef71e4227df0071495d7bc5ea9e277
MD5 hash:
9d78a02cbfbbe71b5ccf7844f50defeb
SHA1 hash:
387fb5594a2a06ed13f4bb58f64a1aad274624da
SH256 hash:
fa2d05150a5aaf7bf38210e1bff5275d18d5e2e62540782c9bf74c2ac7cf9a80
MD5 hash:
38d2b95d2c34ef6e3b381e8974b920c1
SHA1 hash:
f3dd99d8dd025ddbf9d9c98fee9a4ef1a0149762
SH256 hash:
eadfef2b763b5d1e06929169e6b0f9858b1af9c51a389a09f0dc87f4e1e8c1ff
MD5 hash:
6d8f599e14fd87f22bcbcd27b53b76b8
SHA1 hash:
020f89a740bf7473d44a3bfc9a2de50873d4f612
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.

Malspam

Formbook

Executable exe eadfef2b763b5d1e06929169e6b0f9858b1af9c51a389a09f0dc87f4e1e8c1ff

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

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