MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a57534ac7570e5be7e25f1c0d9745dc549d56b193ed7b1547e61ae79485edc1c. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: a57534ac7570e5be7e25f1c0d9745dc549d56b193ed7b1547e61ae79485edc1c
SHA3-384 hash: 3e43eeb157f16c8a806a15ce14f60f3580c7c1b7293d770c620231e910f9c696adbe16954e9192706e3375e39f2bd81b
SHA1 hash: 9a255a7eaa2dd334dcde3f9c8f73e8c25e3a8a65
MD5 hash: 933cedbe56bd04acdbbb183a0004162b
humanhash: black-hotel-twelve-california
File name:Payment.exe
Download: download sample
Signature Formbook
File size:631'296 bytes
First seen:2021-09-15 06:25:32 UTC
Last seen:2021-09-15 06:57:33 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 12288:kZRWjIa6R35YU4dWyvFDLCVdwmel0saKp2YYQUsxz9hz8gf:gamNZKLCTvKfbUsFxf
Threatray 9'313 similar samples on MalwareBazaar
TLSH T1C5D49CE4398B7926E01804B5FB165D20C361D81C6F00A6A799DD77CE6CAB70D8C39DEE
dhash icon b4b4a4cca4a4ecec (1 x Formbook)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment.exe
Verdict:
Malicious activity
Analysis date:
2021-09-15 06:25:58 UTC
Tags:
trojan formbook stealer

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 483531 Sample: Payment.exe Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 8 other signatures 2->44 10 Payment.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\Payment.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 Payment.exe 10->14         started        17 Payment.exe 10->17         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.cevicheatl.com 91.195.240.94, 49807, 80 SEDO-ASDE Germany 19->32 34 www.earlyeducationglobal.com 19->34 36 earlyeducationglobal.com 34.98.99.30, 49812, 80 GOOGLEUS United States 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cscript.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-14 03:54:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pm7s rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.rafaelcristino.com/pm7s/
Unpacked files
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
19b7ab89790055177d40efced9c3050ec86699e65f88dd637d8c63eb1b6dbb19
MD5 hash:
248f96e4097ad5b483587be76d2fee8e
SHA1 hash:
1c6307329e23f857bf86a786a6b9fea35ca1448d
SH256 hash:
a57534ac7570e5be7e25f1c0d9745dc549d56b193ed7b1547e61ae79485edc1c
MD5 hash:
933cedbe56bd04acdbbb183a0004162b
SHA1 hash:
9a255a7eaa2dd334dcde3f9c8f73e8c25e3a8a65
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 a57534ac7570e5be7e25f1c0d9745dc549d56b193ed7b1547e61ae79485edc1c

(this sample)

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