MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 607f815f47b19adef7c23368321a00aae4bb83b360bff766260bf26e0e947627. 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


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 607f815f47b19adef7c23368321a00aae4bb83b360bff766260bf26e0e947627
SHA3-384 hash: f7a1031dd86dfea2b32608fd71a581ec7c29a0f5f41f06185e57182d42e86147be02aee4ec01663ee26caba7fd8a6da0
SHA1 hash: 03397b298b9a4decfd05da09c768d21166dfd83e
MD5 hash: 451024161ef75983b0ad4305dba5c39e
humanhash: kitten-vermont-carolina-lion
File name:factura pendiente de pago pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:493'056 bytes
First seen:2022-05-16 09:43:43 UTC
Last seen:2022-05-16 10:35:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:it+uCFY8LLCmf26a+Azkc7oRNFnnvfyOKUyutgT7nTVY9JovVUA:Q78LLCgzaucw9nvfd9+nTO9JotUA
TLSH T1C3A4010B2BD695B5C2AE2674EBB850B541F0A3CB1271F7AF584042E4FF6178A67421F3
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 pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
factura pendiente de pago pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-16 09:48:13 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0c7fa0a0-ff52-4b7c-96fb-02e49213f015

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/271005/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Running batch commands
Launching a process
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% directory
Moving of the original file
Unauthorized injection to a recently created process
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/62821ce422b733139c201fca/reports/29b3a900-0b47-43ce-aa46-a3a416365be3/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/da439418-ea20-4ec0-a736-1821a37c30e0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994761
Signature
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 627259 Sample: factura pendiente de pago pdf.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 60 www.curiobeauty.com 160.124.227.197, 49728, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 2->60 62 parkingpage.namecheap.com 198.54.117.211, 49724, 80 NAMECHEAP-NETUS United States 2->62 64 10 other IPs or domains 2->64 84 Snort IDS alert for network traffic 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 System process connects to network (likely due to code injection or exploit) 2->88 90 6 other signatures 2->90 10 factura pendiente de pago pdf.exe 4 2->10         started        signatures3 process4 file5 56 C:\...\factura pendiente de pago pdf.exe.log, ASCII 10->56 dropped 98 Moves itself to temp directory 10->98 100 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->100 14 java.exe 5 10->14         started        18 cmd.exe 1 10->18         started        signatures6 process7 file8 58 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 14->58 dropped 102 Exploit detected, runtime environment starts unknown processes 14->102 104 Exploit detected, runtime environment dropped PE file 14->104 106 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->106 20 cmd.exe 3 14->20         started        24 cmd.exe 1 14->24         started        108 Uses ping.exe to sleep 18->108 110 Uses cmd line tools excessively to alter registry or file data 18->110 112 Drops PE files to the startup folder 18->112 114 Uses ping.exe to check the status of other devices and networks 18->114 26 reg.exe 1 1 18->26         started        28 PING.EXE 1 18->28         started        31 conhost.exe 18->31         started        signatures9 process10 dnsIp11 52 C:\Users\user\AppData\Roaming\...\java.exe, PE32 20->52 dropped 54 C:\Users\user\...\java.exe:Zone.Identifier, ASCII 20->54 dropped 92 Uses ping.exe to sleep 20->92 33 java.exe 2 20->33         started        36 PING.EXE 1 20->36         started        39 conhost.exe 20->39         started        41 PING.EXE 1 20->41         started        94 Uses cmd line tools excessively to alter registry or file data 24->94 43 conhost.exe 24->43         started        45 reg.exe 1 24->45         started        47 PING.EXE 1 24->47         started        96 Creates an undocumented autostart registry key 26->96 68 127.0.0.1 unknown unknown 28->68 file12 signatures13 process14 dnsIp15 70 Writes to foreign memory regions 33->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 33->72 74 Injects a PE file into a foreign processes 33->74 49 AddInProcess32.exe 33->49         started        66 192.168.2.1 unknown unknown 36->66 signatures16 process17 signatures18 76 Modifies the context of a thread in another process (thread injection) 49->76 78 Maps a DLL or memory area into another process 49->78 80 Tries to detect virtualization through RDTSC time measurements 49->80 82 Queues an APC in another process (thread injection) 49->82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/607f815f47b19adef7c23368321a00aae4bb83b360bff766260bf26e0e947627/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 09:44:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
15 of 41 (36.59%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:gqvv loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220516-lqgj3sgcd9/
Behaviour
Modifies Internet Explorer settings
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Modifies WinLogon for persistence
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
7145d097d18f0695a0d3cfb6d68d916196378d051da1448968e13f2049555775
MD5 hash:
bcc4cc3e4e3af50c9b41e007c3513064
SHA1 hash:
aa51f3da08e377b7c20216b8240e22bbd12d3775
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bf36f8fe-14f6-4514-bf14-d9fe19ac3bff/
Parent samples :
607f815f47b19adef7c23368321a00aae4bb83b360bff766260bf26e0e947627
5097eef9cd2b1f85668e22ebde907be34789547fcff62d3e04fdfea467e82a20
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
Link:
https://www.unpac.me/results/bf36f8fe-14f6-4514-bf14-d9fe19ac3bff/
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/bf36f8fe-14f6-4514-bf14-d9fe19ac3bff/
SH256 hash:
de946071f5ce37d7bd121d1d7123a795c6111bb37715139a956110b97b0ba98a
MD5 hash:
ee5770ede963b3444343d074820acf46
SHA1 hash:
8863ca4d0e2f49f93c5325135931a163d652ab73
Link:
https://www.unpac.me/results/bf36f8fe-14f6-4514-bf14-d9fe19ac3bff/
SH256 hash:
607f815f47b19adef7c23368321a00aae4bb83b360bff766260bf26e0e947627
MD5 hash:
451024161ef75983b0ad4305dba5c39e
SHA1 hash:
03397b298b9a4decfd05da09c768d21166dfd83e
Link:
https://www.unpac.me/results/bf36f8fe-14f6-4514-bf14-d9fe19ac3bff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/607f815f47b19adef7c23368321a00aae4bb83b360bff766260bf26e0e947627

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/271005/

Comments