MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f89ea3eb5f2720e6194642d92ef8de19d90dcb0cf12c64bc42dd9aba0edfeb85. 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: 10
| SHA256 hash: | f89ea3eb5f2720e6194642d92ef8de19d90dcb0cf12c64bc42dd9aba0edfeb85 |
|---|---|
| SHA3-384 hash: | 657f0d4d22957e7160c5165eb274d9deff95cc0edc3c308b253c68b1ebc91e4ca7f9d42166afaae1e9a9bfda4d0aabdc |
| SHA1 hash: | 9ad18f3f9170ae0207d232135efdac5f3c89dba5 |
| MD5 hash: | 28b16a7e4ee7f2b7035273f0f47d6030 |
| humanhash: | mockingbird-stream-black-ack |
| File name: | Quotation.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 513'536 bytes |
| First seen: | 2020-10-19 06:39:08 UTC |
| Last seen: | 2020-10-19 08:24:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:T9EJ9wt2L2C1Iz0i1h4L967LHdQqYkNs4ttAT:T4YC1Iz0ik6LHHNscy |
| Threatray | 299 similar samples on MalwareBazaar |
| TLSH | FBB4BFB17D82586EC96E07755065C1E1FAB61EC73F508B0D71DA4F0E3E01A2BAB2325B |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: eximex.com.mx
Sending IP: 185.144.30.211
From: Erick Izquierdo<eizquierdo01@eximex.com.mx>
Subject: Quoting the items in the attached files
Attachment: Quotation.xlsx.rar (contains "Quotation.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Masson
Status:
Malicious
First seen:
2020-10-18 22:56:57 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 289 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 WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xqxsm.com/mc5/
Unpacked files
SH256 hash:
9bec550624b5ebe019ea8952f9df0694a62a0fe02d6da901d0778bfbeb0ac219
MD5 hash:
292808395f593509fb3169d5dfba0749
SHA1 hash:
b3778f6c62472df1b896ff92e823409cdf87e225
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
SH256 hash:
1fd52a5183e1ef1f66b4d29f85738d5b729cf33ffa45369ff7b39551bd7e7d26
MD5 hash:
d28761c25a189606c4e354bf0795c43e
SHA1 hash:
21bcf332c6897b19443ca79dcb51ec2b96151580
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
f89ea3eb5f2720e6194642d92ef8de19d90dcb0cf12c64bc42dd9aba0edfeb85
MD5 hash:
28b16a7e4ee7f2b7035273f0f47d6030
SHA1 hash:
9ad18f3f9170ae0207d232135efdac5f3c89dba5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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