MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a4afa3e1d1087c27e7d4c724a87611f7ed901dffb86943ef05d1015614b0e32. 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: 11
| SHA256 hash: | 1a4afa3e1d1087c27e7d4c724a87611f7ed901dffb86943ef05d1015614b0e32 |
|---|---|
| SHA3-384 hash: | b270b2a4a8c55d92e45bcc168fc66674b9e95a33eafda55b405bcdc378a200f559a70da3d3f894ff3b8b99e6b2ece61d |
| SHA1 hash: | 456995dd37df8a724e29021eaa6edcfec896627e |
| MD5 hash: | 3f3c3c1f0bc9be5354e220c5f04b1963 |
| humanhash: | tennis-missouri-pennsylvania-sad |
| File name: | Factura de clients_0010002345.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 684'544 bytes |
| First seen: | 2020-10-07 10:56:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 12288:H5imXfmn0A/HKjYJFHqkkRabB+0fIhWLaHHoNsXPa78ZnJhSqXKcTwtiokC7Cf:H6nqkJFKk/bw0fi2vNsXbhS4tTy |
| Threatray | 2'560 similar samples on MalwareBazaar |
| TLSH | BBE4F1243A94FB8EC51E8F3644554910EBE0D07A534BF387BCD71AEC940E7AD8A362E5 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: vxsys-smtpclusterma-04.srv.cat
Sending IP: 46.16.61.65
From: Administracion <duldi@duldi.com>
Reply-To: duldi@duldi.com
Subject: Factura de Clients
Attachment: Factura de clients_0010002345.rar (contains "Factura de clients_0010002345.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
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 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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2020-10-07 10:47:41 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'550 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fullyey.com/mye/
Unpacked files
SH256 hash:
1a4afa3e1d1087c27e7d4c724a87611f7ed901dffb86943ef05d1015614b0e32
MD5 hash:
3f3c3c1f0bc9be5354e220c5f04b1963
SHA1 hash:
456995dd37df8a724e29021eaa6edcfec896627e
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
096444f0a00a84d1bbab7533cb44d6fe6a1068fa606d4a70d5956e11e9970d00
MD5 hash:
3c993f7ab9fb970bde549e8d15b167f1
SHA1 hash:
984e098d8f87366a19a24beb0eb9ba4fb6ad67f7
SH256 hash:
87e36a3be7eda97e06de7323f070e5c06069f129efc8871f3eb72a5c6533ce84
MD5 hash:
a02d7da6146c35a941b6142e813d3615
SHA1 hash:
f97a68b643002e16c96fdd9873697ee61a1438ed
SH256 hash:
cefe87a0de015dc44dc1086458460be07edba8d9f7211c4bed8a11809d520a72
MD5 hash:
0403b7f4765e08a2f74690caf1a82990
SHA1 hash:
b0e9f69b8c337b605edecdcc3345c6f0045ee04e
SH256 hash:
34522ce646c52c59a01d9403ea5459a8f5189d103d37ffbd02fc516e67e5e555
MD5 hash:
4392a850e700fd05212fa73c49982343
SHA1 hash:
a7ab2d2d2c7c0b3f27bdf9b91eeda94155f1c8cc
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
File information
The table below shows additional information about this malware sample such as delivery method and external references.
87daa17922cdd22c2b22e8f4c2aaf6ff
Dropped by
MD5 87daa17922cdd22c2b22e8f4c2aaf6ff
Delivery method
Distributed via e-mail attachment
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