MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 73c2d8d44daa16a7b406b82cd5201483ae40404037e7a543ad91689cbced81ad. 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: | 73c2d8d44daa16a7b406b82cd5201483ae40404037e7a543ad91689cbced81ad |
|---|---|
| SHA3-384 hash: | 5ca2e2320223f03808853a18d5a308150af0ff0ff2f1b8d1074ef2a81caffee3990e67182659ebe1735f8dcc67be1c58 |
| SHA1 hash: | ff9c539050fbe7cf9e996991305f971c20b037ab |
| MD5 hash: | 59e4602aa9f49d8e5624d0809f45da8f |
| humanhash: | venus-fillet-table-quebec |
| File name: | JBAEKUa4mQ5eVCw.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 725'504 bytes |
| First seen: | 2020-10-13 10:35:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'457 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:cXcrYIVkzTunPlay/wfIgUd+uZqla/CDJmg:Nh4uUY0Ud1lqDJ |
| Threatray | 2'451 similar samples on MalwareBazaar |
| TLSH | 85F4026037B86F56D93A63FA0672500427F636272821F31DEFC228CBB51AF449651FA7 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook Rackspace |
abuse_ch
Malspam distributing Formbook:HELO: smtp84.iad3a.emailsrvr.com
Sending IP: 173.203.187.84
From: Peter Botha <huffmanl@realtracs.com>
Subject: Purchase Order
Attachment: PO131020.rar (contains "JBAEKUa4mQ5eVCw.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Injects a PE file into a foreign processes
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)
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 FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-13 05:54:38 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'441 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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.dktradingsystems.com/ahe/
Unpacked files
SH256 hash:
73c2d8d44daa16a7b406b82cd5201483ae40404037e7a543ad91689cbced81ad
MD5 hash:
59e4602aa9f49d8e5624d0809f45da8f
SHA1 hash:
ff9c539050fbe7cf9e996991305f971c20b037ab
SH256 hash:
dad2c2aec1aff96ef27b9ae768ec2946790b536809c95f7377af4aa910400b39
MD5 hash:
60ad2f714b10ef299e19ce144c3654b9
SHA1 hash:
6d701a21de1f2cbd38aff50b788428951706e987
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
c7aad9d69315fd12e91d3508867430fcd07de74da4f279d04d2d0ae1fb6cc7f3
MD5 hash:
786251770e25ccaa5ea2342a661e7060
SHA1 hash:
e4134ed5c59d775af53cbfeb512bf4c22ee9c2b5
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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