MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2a23aaae9ef3f48f786ed9f5bf8e9befd15aaad8be73c2a48bf46ae14ce811b1. 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: | 2a23aaae9ef3f48f786ed9f5bf8e9befd15aaad8be73c2a48bf46ae14ce811b1 |
|---|---|
| SHA3-384 hash: | e23b7bf7953c170cb26da6d1f7fbbf4c48a8e34d318f7b24e8431c3ff94e844abd9573ef4931f9cb77af503d1a5fa87e |
| SHA1 hash: | 0a5a29bda14a377670f46bef0b0b19b0932f1725 |
| MD5 hash: | c1a4184330883969594d7e630ebb7128 |
| humanhash: | bulldog-magazine-gee-virginia |
| File name: | invoice.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 496'640 bytes |
| First seen: | 2020-10-20 08:35:28 UTC |
| Last seen: | 2020-10-26 06:17:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:V61LQg7LaLVNzI3SMkJx5+eBfajW9A1GKZHNYPzodfvW:V61UEapBIC9JxliGA1GUKzod |
| Threatray | 2'573 similar samples on MalwareBazaar |
| TLSH | 3BB4024011AA6B33E2BE1BF6201C550D83F2544EB7E7EB681EE633E95591F804F68E53 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: iap-india.com
Sending IP: 103.125.191.170
From: karthika.p@iap-india.com
Subject: RE: Export order-Transit permit application
Attachment: invoice.r15 (contains "invoice.exe")
Intelligence
File Origin
# of uploads :
3
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Executable has a suspicious name (potential lure to open the executable)
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
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Agentesla
Status:
Malicious
First seen:
2020-10-20 02:22:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'563 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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.richardgraycabinetmaker.com/cmd/
Unpacked files
SH256 hash:
2a23aaae9ef3f48f786ed9f5bf8e9befd15aaad8be73c2a48bf46ae14ce811b1
MD5 hash:
c1a4184330883969594d7e630ebb7128
SHA1 hash:
0a5a29bda14a377670f46bef0b0b19b0932f1725
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
0a22884b27f9eeeaef6a579063f8a5197d1382b5e047ace969c7c323a8fe4a53
MD5 hash:
fab1a6691431f899d46376e7fb7ae987
SHA1 hash:
9d765583607de2bef63467a4b18d48b6a3e2cca2
SH256 hash:
eb67b9a1d91528f03444c7e3b97dd396cc54f83b10ce7e118832a352a9ac0daf
MD5 hash:
c4b32d6cb53557c30f7f364d3126b7c6
SHA1 hash:
2f9a87f3d83136986f94e03da74cd01bf20ceb7f
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:
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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