MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13719a6ec946f01321466c47537734cc9b1ae2c3943e7f1971c085c0e98ce81a. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13719a6ec946f01321466c47537734cc9b1ae2c3943e7f1971c085c0e98ce81a
SHA3-384 hash: 17651b05030a2a58213ba587fa52f64201cc91705f8a6204c22671d14c4357b6737e700ba7dbc8e38bbf38433df19943
SHA1 hash: 05a790a5404c9135ac612da25417c9f94f6c9d37
MD5 hash: 27713a1cfe21eaa992cf0b6efd304733
humanhash: wyoming-mockingbird-juliet-india
File name:PAYMENT COPY PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:355'904 bytes
First seen:2022-08-16 18:40:02 UTC
Last seen:2022-09-06 03:26:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:lsxoBhT/dRIqseqsrKlJgrenkH2cw8fOF1b/:PzdlqsrKoJWcxO/
Threatray 1'117 similar samples on MalwareBazaar
TLSH T1DF74F19139E0C081CD562A3084968E140BB36F526B50DE293B6D77FE06773EBAF1958F
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 71f8e4e0b0e0e871 (4 x AgentTesla, 3 x Formbook, 1 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PAYMENT COPY PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-08-16 18:41:53 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/1c85e132-e4af-49b8-b532-5c0ff5fe904a

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/299059/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1293.15233.15527.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed wacatac
Link:
https://www.filescan.io/uploads/62fbe4fb9013ab2e3d05b561/reports/e825f09b-0669-45cb-a642-bb47a1ce061e/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/a45e62a6-1313-4434-aaa3-763cb5a620e8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1052510
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Executable has a suspicious name (potential lure to open the executable)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 685023 Sample: PAYMENT COPY PDF.exe Startdate: 16/08/2022 Architecture: WINDOWS Score: 100 27 www.hypertext.ltd 2->27 29 www.european-resilience.org 2->29 31 7 other IPs or domains 2->31 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 10 other signatures 2->45 9 PAYMENT COPY PDF.exe 1 2->9         started        signatures3 process4 file5 25 C:\Users\user\...\PAYMENT COPY PDF.exe.log, ASCII 9->25 dropped 57 Writes to foreign memory regions 9->57 59 Allocates memory in foreign processes 9->59 61 Injects a PE file into a foreign processes 9->61 13 cvtres.exe 9->13         started        16 cvtres.exe 9->16         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 18 explorer.exe 13->18 injected process9 dnsIp10 33 www.998899.lc 128.14.22.37, 49739, 49749, 80 ZNETUS United States 18->33 35 artistamundial.com 66.225.241.38, 49767, 49769, 80 USG-CORPORATIONUS United States 18->35 37 4 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 explorer.exe 13 18->22         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 22->49 51 Tries to harvest and steal browser information (history, passwords, etc) 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13719a6ec946f01321466c47537734cc9b1ae2c3943e7f1971c085c0e98ce81a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-16 11:03:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
33 of 40 (82.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cnyzu3wji3ybgikgnrdvg5zuzsnrvywdsq7h6glrycc4b2mm5ana._file
Verdict:
malicious
Similar samples:
0a3b4186c412949b09fb35b24d0b7cfaab2726008c9dfd9ded81042678656a79
Formbook
229fb8fb9b2eaa6eace0bb84be382040031a0d6c3c17e9ab647bd6953b80cf81
Formbook
347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169
Formbook
60e52790f183036e12c61a0f9eb0cec90e757f8e862a9a49144849b9ceffb1c3
Formbook
905dd9e890f6ed79a1a1d55aa2a1134d1415e874783a2a46d266d90005174ce0
Formbook
b17806277d6aed75d13cd5cfb1512ade3d418384185c180a3d2d6685aaac751b
Formbook
ecc62758ef557c2ed6796ad203c9df3a19f2b10edbfa1c3291f7a64f04286233
Formbook
f4d7b271af8222a8b77800e2a7010665ca3333295ccdb0fa8c484935d8c26335
Formbook
+ 1'107 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/220816-xa7l4sffb4/
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
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
aa1871a6c1fe17fda81349156b1368494579a38ce8d7ddb911902acd3d133961
MD5 hash:
53e8f4ba6e3a667868eca46b0a4a8d72
SHA1 hash:
369224ef8e8aa09691d7ce2083929442b73550e8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/54c15c7b-0eb1-46f4-88c1-4cf87836d1ec/
Parent samples :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 hash:
f8a5cafd4a1b9b29ca24e583b73249f30f0878fee031cc7cc7f9ce5abee07a7e
MD5 hash:
0e2c034aa6876f4bf126c39094d5bbd5
SHA1 hash:
b60b45f10383e5e4319b9e03c67110cc89246661
Link:
https://www.unpac.me/results/54c15c7b-0eb1-46f4-88c1-4cf87836d1ec/
SH256 hash:
13719a6ec946f01321466c47537734cc9b1ae2c3943e7f1971c085c0e98ce81a
MD5 hash:
27713a1cfe21eaa992cf0b6efd304733
SHA1 hash:
05a790a5404c9135ac612da25417c9f94f6c9d37
Link:
https://www.unpac.me/results/54c15c7b-0eb1-46f4-88c1-4cf87836d1ec/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13719a6ec946/report/overview.html
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/13719a6ec946f01321466c47537734cc9b1ae2c3943e7f1971c085c0e98ce81a

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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.

Malspam

Formbook

Executable exe 13719a6ec946f01321466c47537734cc9b1ae2c3943e7f1971c085c0e98ce81a

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/299059/

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