MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada
SHA3-384 hash: 9eb2ec701b73beaa881aa104af60c2e7eeb01dad8cea57812834204238d8856200b797f07922e90c94967cec36c3e0dc
SHA1 hash: a3b8444a7367eec1b5fe10f11d653b29a27c3b73
MD5 hash: e33471aca4f7ba9761cfbf41b091c9da
humanhash: lemon-hamper-nitrogen-pasta
File name:Payment_Authorization Issue_swift MT105TT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:470'528 bytes
First seen:2021-11-18 20:19:12 UTC
Last seen:2021-11-22 13:52:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:fj9wWWilDRPxzQ6UjloRIYh3enOOuy8289:r9waVpzQ6UjkonzH82E
TLSH T158A4F16952A8872BD1B917F85078FB380BB55EA17C29D308ADC178EF3F713414469B83
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_Authorization Issue_swift MT105TT.exe
Verdict:
Malicious activity
Analysis date:
2021-11-18 20:30:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/64db87ae-c0eb-41c5-9d72-ddffe36e48d1

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

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6196b5764912a8c920a2ef65/reports/617f2e91-5a42-4980-b8cf-87e38a5b45f0/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3986fa4a-336e-47ca-94ef-16dee9f76294
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/892282
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 524756 Sample: Payment_Authorization Issue... Startdate: 18/11/2021 Architecture: WINDOWS Score: 100 42 www.liberia-infos.net 2->42 44 liberia-infos.net 2->44 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 14 other signatures 2->60 10 Payment_Authorization Issue_swift MT105TT.exe 7 2->10         started        14 explorer.exe 2->14         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\cdNqrPIAFuqkR.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpD01E.tmp, XML 10->38 dropped 40 Payment_Authorizat...ift MT105TT.exe.log, ASCII 10->40 dropped 62 Adds a directory exclusion to Windows Defender 10->62 64 Injects a PE file into a foreign processes 10->64 16 Payment_Authorization Issue_swift MT105TT.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        23 Payment_Authorization Issue_swift MT105TT.exe 10->23         started        signatures6 process7 signatures8 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 Queues an APC in another process (thread injection) 16->52 25 explorer.exe 16->25 injected 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        process9 process10 31 msdt.exe 25->31         started        signatures11 66 Modifies the context of a thread in another process (thread injection) 31->66 68 Maps a DLL or memory area into another process 31->68 70 Tries to detect virtualization through RDTSC time measurements 31->70 34 explorer.exe 1 160 31->34         started        process12
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-18 17:42:12 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynwe5g3a2ulk4aafdnrvmjbgoerqk2w3xwduw647m6ja3s3rvlna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:46uq loader rat
Link:
https://tria.ge/reports/211118-y4f7paaed2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.liberia-infos.net/46uq/
Unpacked files
SH256 hash:
ff1617f3a5d1c41889a9ffe448ec461bdffcc05a823d7bce53d71cd352931c28
MD5 hash:
1e8e32ce8f04d3d466b7abbc22475707
SHA1 hash:
d69f42046f5fb4f9fb6035e1238707c81a39edb5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/db71ad89-f7ff-436d-a0cf-d0a5130f4cbc/
Parent samples :
e7f1ace8723e30320b9e8bc3dc8a079c2d82d8c58b6ef7e0810ee4f661f5f141
96eb36242589b7a64977eea92e0c0834e5321b605f9a306110398d4da428f3d3
c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada
c50fdcefdf51c648404eb54eebcb81012e2c736252e232759c7eef5fac1d5174
f8c0d385ece89cd926b2c74680c036f9927414955e7ff4ed12b576470b8c1745
d176de3884899e94f7c82f1ad0b21e9f305d3d5d7d753cc701a880e01d692cad
SH256 hash:
988e80b3b79cd752e839d6c447232c3a438f570ef63f19fa642e5a47f19e8ac1
MD5 hash:
29462bda4a41cee9d99cee318953275e
SHA1 hash:
9bbdf91c9cc937de9f8b84a63bdca6452900618b
Link:
https://www.unpac.me/results/db71ad89-f7ff-436d-a0cf-d0a5130f4cbc/
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
Link:
https://www.unpac.me/results/db71ad89-f7ff-436d-a0cf-d0a5130f4cbc/
SH256 hash:
c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada
MD5 hash:
e33471aca4f7ba9761cfbf41b091c9da
SHA1 hash:
a3b8444a7367eec1b5fe10f11d653b29a27c3b73
Link:
https://www.unpac.me/results/db71ad89-f7ff-436d-a0cf-d0a5130f4cbc/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c36c4e9b60d5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada

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: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 c36c4e9b60d516ae00051b635624267123056adbbd874b7b9f67920dcb71aada

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/207391/

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