MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f073049a0bb7d1e370d603841469d9b6070da559d9721a018a6ace155d2d7b3a. 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: f073049a0bb7d1e370d603841469d9b6070da559d9721a018a6ace155d2d7b3a
SHA3-384 hash: eedcac1470a341ca1efa356c2e39af3198f8c49102e258d0001b0889ee1fc10584db3686577472d81277422c822b73c8
SHA1 hash: 671a0ca7cb8e5d39c3b2748d24bec6a32f6055f2
MD5 hash: 148986549117576bfd15d868abc6455e
humanhash: moon-diet-fish-artist
File name:U prilogu potvrda narudzbe.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:512'512 bytes
First seen:2022-05-23 17:01:09 UTC
Last seen:2022-05-23 17:58:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+6yobSSZI9T3RVIJ89ZJBV9MO0tXW59P:ReSZI9bog9MOXrP
TLSH T17BB402472FD6A0B8C1BC8935F7FC25E540F6A35B2510A39ED18523FAEF09717A6424A3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
U prilogu potvrda narudzbe.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 17:02:51 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/279a2b4a-b2da-429d-af89-4c9255dda2d8

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/273823/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed replace.exe wacatac
Link:
https://www.filescan.io/uploads/628bbe0f945ebb7eb1776d2b/reports/310892b0-1159-4004-a0cf-a0c376d3f772/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:
Malicious
Link:
https://analyze.intezer.com/analyses/2e9c0db1-0f0d-4e6f-9830-b47586bd51a9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000056
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 signatures2 2 Behavior Graph ID: 632553 Sample: U prilogu potvrda narudzbe.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 5 other signatures 2->60 9 U prilogu potvrda narudzbe.exe 4 2->9         started        process3 file4 46 C:\...\U prilogu potvrda narudzbe.exe.log, ASCII 9->46 dropped 66 Moves itself to temp directory 9->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->68 13 java.exe 5 9->13         started        17 cmd.exe 1 9->17         started        signatures5 process6 file7 48 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 13->48 dropped 70 Exploit detected, runtime environment starts unknown processes 13->70 72 Exploit detected, runtime environment dropped PE file 13->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->74 19 cmd.exe 3 13->19         started        76 Uses ping.exe to sleep 17->76 78 Drops PE files to the startup folder 17->78 80 Uses ping.exe to check the status of other devices and networks 17->80 23 reg.exe 1 1 17->23         started        25 PING.EXE 1 17->25         started        28 conhost.exe 17->28         started        signatures8 process9 dnsIp10 42 C:\Users\user\AppData\Roaming\...\java.exe, PE32 19->42 dropped 44 C:\Users\user\...\java.exe:Zone.Identifier, ASCII 19->44 dropped 62 Uses ping.exe to sleep 19->62 30 java.exe 2 19->30         started        33 PING.EXE 1 19->33         started        36 conhost.exe 19->36         started        38 PING.EXE 1 19->38         started        64 Creates an undocumented autostart registry key 23->64 52 127.0.0.1 unknown unknown 25->52 file11 signatures12 process13 dnsIp14 82 Writes to foreign memory regions 30->82 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->84 86 Injects a PE file into a foreign processes 30->86 40 AddInProcess32.exe 30->40         started        50 192.168.2.1 unknown unknown 33->50 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f073049a0bb7d1e370d603841469d9b6070da559d9721a018a6ace155d2d7b3a/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-05-22 19:39:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6bzqjgqlw7i6g4gwaocbi2ozwydq3jkz3fzbuamknlhbkxjnpm5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:3nop persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220523-vj4kpsbbfm/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Modifies WinLogon for persistence
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
3b1a82ce501782a363b32cd1092d9870b4737a87e5ea9a838f97d878163f6062
MD5 hash:
c78e8421cdf1b20148f12cbcdef5e2c9
SHA1 hash:
1b2b521c0b17c5de39659f87bbfcf9445f11acad
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/345ad8e2-e842-4226-802b-f62c89721d0e/
Parent samples :
3ecf3d1df831abf769bbb4121101d9c2ed9c736dd19f8c8f2ce361443b018a96
87946dcd976eb13af37e24ff68e36a03d2f46a9ae474f336207cf03cbbb0b508
9b0a4dba4956bc341c94844a39cabed66757532bcdbc38de6fe0c2fc9a366482
f073049a0bb7d1e370d603841469d9b6070da559d9721a018a6ace155d2d7b3a
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
Link:
https://www.unpac.me/results/345ad8e2-e842-4226-802b-f62c89721d0e/
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/345ad8e2-e842-4226-802b-f62c89721d0e/
SH256 hash:
c0be9b5cd44890ba4b8ef2d96cde84541bbcde7247a90e30b0e42fa2964853a5
MD5 hash:
111f57c483d27d8fc75ba32c4b4735c4
SHA1 hash:
99f826371014d4e8bc7b1d68043c2a5c08993db6
Link:
https://www.unpac.me/results/345ad8e2-e842-4226-802b-f62c89721d0e/
SH256 hash:
f073049a0bb7d1e370d603841469d9b6070da559d9721a018a6ace155d2d7b3a
MD5 hash:
148986549117576bfd15d868abc6455e
SHA1 hash:
671a0ca7cb8e5d39c3b2748d24bec6a32f6055f2
Link:
https://www.unpac.me/results/345ad8e2-e842-4226-802b-f62c89721d0e/
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/f073049a0bb7d1e370d603841469d9b6070da559d9721a018a6ace155d2d7b3a

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/273823/

Comments