MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 51497017e375de40bb058afb7ceb64a55769deb1ca83fff8fdb00862278660d5. 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: 9
| SHA256 hash: | 51497017e375de40bb058afb7ceb64a55769deb1ca83fff8fdb00862278660d5 |
|---|---|
| SHA3-384 hash: | 892ddc4060fa279addb420f987860cd19265e2bcb42f4e25f387c0f7f81b7c9d580b9f6f5390cb713271ae9dbecca372 |
| SHA1 hash: | 8f3382d3c69fd1da5652d8c9f28c82771aceefd6 |
| MD5 hash: | d271898e2d8205f0f0b143d6c5415947 |
| humanhash: | lemon-network-carbon-diet |
| File name: | RFQ-20091748.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 811'008 bytes |
| First seen: | 2020-10-06 05:56:44 UTC |
| Last seen: | 2020-10-06 07:22:20 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:oeulyj2Va3tIWslt3T15zN6ouP/M58/xjS+LDxd:5j2VamlLD1CounM5qxLz |
| Threatray | 2'310 similar samples on MalwareBazaar |
| TLSH | 4A05BD065AB5EF33C6B867FB109430004FBD5E629CA6F3565AC0B0E5FDB2B42C91664B |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: bulussocks.cam
Sending IP: 111.90.141.60
From: Althaf Wahab <kkaragoz@pirisafe.cam>
Subject: Inquiry
Attachment: RFQ-20091748.rar (contains "RFQ-20091748.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-06 05:10:22 UTC
AV detection:
24 of 27 (88.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'300 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.indocron.com/ut/
Unpacked files
SH256 hash:
51497017e375de40bb058afb7ceb64a55769deb1ca83fff8fdb00862278660d5
MD5 hash:
d271898e2d8205f0f0b143d6c5415947
SHA1 hash:
8f3382d3c69fd1da5652d8c9f28c82771aceefd6
SH256 hash:
377f21165ba3ee4f28d11ea3fc216bcca18db679a0c4bea1bc9334277a494de6
MD5 hash:
b0a17bda3cccb4e4843ae831283541c5
SHA1 hash:
214f6da4d6f423ec26e8504df0a7cde0f33ef18d
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
92c4b180f61adee338f6a074fe06da2aac16e15604cff9f6799d322423e1cf29
MD5 hash:
ec7fc24d88383a3dfea66ad2e1f216fc
SHA1 hash:
45465ef12bdc27fab99761ec9039247cf7534084
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:
Suspicious File
Score:
0.45
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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