MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19b542c7a55d1ea37645a07c2546599d239d9d9409397c2400bdee7080744c35. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 19b542c7a55d1ea37645a07c2546599d239d9d9409397c2400bdee7080744c35
SHA3-384 hash: d0095b9c4a158e06d68ec4208bc9bbeb59de3131b8fe03c8db0da36739097d1b8d06e37a2683cb57438687360071518e
SHA1 hash: 613b6996fbd07e800afc785d5678e90c8370ed4c
MD5 hash: 1dfcb5bcc4d0f2138576a731391d28a6
humanhash: juliet-fix-three-pennsylvania
File name:file
Download: download sample
Signature Formbook
File size:801'792 bytes
First seen:2022-11-03 13:16:32 UTC
Last seen:2022-11-03 13:16:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:n51afc7mu4yyZr7ldD8NwCaEJgj0rkejwFGf:nz0uqyIravJ3teG
Threatray 17'388 similar samples on MalwareBazaar
TLSH T18C05CF1F0FEA061AC56A75B845E4E7BB93DAAC11F817C25726C5BE4FB4837309720398
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
L.02B3801 INV.xls
Verdict:
Malicious activity
Analysis date:
2022-11-03 05:54:52 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737316 Sample: file.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 27 www.tucoachdevida.com 2->27 29 tucoachdevida.com 2->29 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 9 file.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->25 dropped 55 Injects a PE file into a foreign processes 9->55 13 file.exe 9->13         started        16 file.exe 9->16         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 18 explorer.exe 13->18 injected process9 dnsIp10 31 xn--29-oj9ik7b890b.net 50.87.192.144, 49731, 80 UNIFIEDLAYER-AS-1US United States 18->31 33 www.dafdental.com 209.99.40.222, 49733, 49735, 49738 CONFLUENCE-NETWORK-INCVG United States 18->33 35 2 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 wlanext.exe 13 18->22         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 22->47 49 Tries to harvest and steal browser information (history, passwords, etc) 22->49 51 Deletes itself after installation 22->51 53 2 other signatures 22->53
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2022-11-03 12:21:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 40 (55.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cfvc rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c2ad820dbdac7366053658108f6bc2f7c5e50f7116eada4da668e7aca5c5cc3d
MD5 hash:
4f11e28ebec79ccb4939086fa1bba6da
SHA1 hash:
b2e737b5185ed3b531064ecb5f61d8fb76aeb701
SH256 hash:
f8cf291892a549b70a013bf1903ade388e6e76ee1c61dbe86b0fec96480a27dd
MD5 hash:
1af67671976f7a8d224440cc6e5fc864
SHA1 hash:
f5d1f22e786c728f49488f8d4516528e8731b52e
SH256 hash:
da8bc1df91ac8c4a4bee800400d5405d54e3f4786ecec31ac39f5e01f74d4c0e
MD5 hash:
f2818c1dd6f33b676611535e742b2da9
SHA1 hash:
a8438ab960524de34e7819b8e7910bb94a2f0b35
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
SH256 hash:
19b542c7a55d1ea37645a07c2546599d239d9d9409397c2400bdee7080744c35
MD5 hash:
1dfcb5bcc4d0f2138576a731391d28a6
SHA1 hash:
613b6996fbd07e800afc785d5678e90c8370ed4c
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 19b542c7a55d1ea37645a07c2546599d239d9d9409397c2400bdee7080744c35

(this sample)

  
Delivery method
Distributed via web download

Comments