MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6
SHA3-384 hash: ab29203ce7491095824529778819d98377cef5b0f955f954aa13a3ea9997fb1a241a52ccf4809ba7223bfb6243aae6d8
SHA1 hash: 241f810542798350fa2ed1f78b8616eaedb121b0
MD5 hash: 58abe55e119c27915c2be5d7b298de19
humanhash: freddie-seven-yellow-magnesium
File name:SecuriteInfo.com.Trojan.MalPack.21506.29847
Download: download sample
Signature Formbook
Create hunting rule
File size:292'024 bytes
First seen:2022-07-15 09:52:51 UTC
Last seen:2024-07-24 21:09:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:0kYxnd3YQYtNAjWg7LYXvG7RvCCinFYqRzeNNqoJ8L171Hq:0h3YFb6+vGdZyYqRzeNNqNK
TLSH T19154E089F6D071CFC95BDDB2E8920C97AB60A02F1A46C753B493219C4D4E24FEF461E6
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.MalPack.21506.29847
Verdict:
Malicious activity
Analysis date:
2022-07-15 10:07:43 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/d79ee71f-1599-4eb1-9509-ad129912078f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/289463/
Detection(s):
SecuriteInfo.com.Trojan.MalPack.21506.29847.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62d139043ec0b068997b42e5/reports/5fd05ddf-e0f1-4256-b753-8821080760ad/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0531a921-5805-4810-9be4-58af698bf6d1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1032408
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 664905 Sample: SecuriteInfo.com.Trojan.Mal... Startdate: 15/07/2022 Architecture: WINDOWS Score: 100 31 www.veritasdigitalstudio.com 2->31 33 www.dreamdata.net 2->33 35 2 other IPs or domains 2->35 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 4 other signatures 2->43 11 SecuriteInfo.com.Trojan.MalPack.21506.exe 1 2->11         started        signatures3 process4 file5 29 SecuriteInfo.com.T...lPack.21506.exe.log, ASCII 11->29 dropped 51 Writes to foreign memory regions 11->51 53 Allocates memory in foreign processes 11->53 55 Injects a PE file into a foreign processes 11->55 15 cvtres.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 2 other signatures 15->63 18 explorer.exe 15->18 injected process9 process10 20 chkdsk.exe 18->20         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 154 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-07-15 09:53:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygd2ucd5y5kuje7x3su4o4wtwxqg33zsqhtubc34smyj77yk4pla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:r8f2 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220715-lwmchsfdbm/
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
73b74ef4872cb6e6679f83b1c29871fda108fc706b6a1d4f9825a103ff7dd109
MD5 hash:
941e54d645922b3a2b7c9be130986fdc
SHA1 hash:
f852286154825989f5bb213d0d7d1ea8f24ac3ad
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/f136144e-1141-4c0c-887c-cb14a2193fe6/
Parent samples :
de49a5cfff0d5447c11dd55ff9ff4c28b4b0b8374e29746bfc273f06211674a0
ea39ef726a260646969f23058b85b56d46bec1625b0be4c7e6ca4fe1ef067c05
c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6
ec65bfdbeb2e11a9618ad25795cb01a24ca42e3256444451c4f1be9c2c5dd167
74186c840d62d1183b33207df15c3ecf07e4f1d90d11cd5ab74f0f59573f3a58
SH256 hash:
c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6
MD5 hash:
58abe55e119c27915c2be5d7b298de19
SHA1 hash:
241f810542798350fa2ed1f78b8616eaedb121b0
Link:
https://www.unpac.me/results/f136144e-1141-4c0c-887c-cb14a2193fe6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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/289463/

Comments