MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcef6adff66649f4af2268cdd80349d44ae31c9bf87d2ba341253ec607789d06. 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 3 File information Comments

SHA256 hash: fcef6adff66649f4af2268cdd80349d44ae31c9bf87d2ba341253ec607789d06
SHA3-384 hash: 736e14a88e065a811f5353a6498ce9ea995b798f4b807165227f95471c3149aa10dd328379924b3e4baf2b35619a5db4
SHA1 hash: 578e1ffb8e7f6eee008ab2c3f7317b3b1e5c5d9a
MD5 hash: a18c188545d8021b47ad42bfd5d1226f
humanhash: minnesota-jupiter-cat-leopard
File name:Payment Advice.exe
Download: download sample
Signature Formbook
File size:565'760 bytes
First seen:2023-09-29 09:04:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:yJ725cin5jmmkXpMw1mCkQBizlotp6QJgFysjPo8oub:fL5jm3pMDQUSngFFw8oi
Threatray 1'005 similar samples on MalwareBazaar
TLSH T125C4129CBBD48726C18C6BB20ACC529643207629D811E72CCAC769D71D7A7F92633F17
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b26969e8e8e8f0f0 (23 x AgentTesla, 13 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316318 Sample: Payment_Advice.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 10 other signatures 2->41 10 Payment_Advice.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 13 Payment_Advice.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 3 1 13->16 injected process7 dnsIp8 27 www.modcoops.com 74.220.199.8, 49809, 80 UNIFIEDLAYER-AS-1US United States 16->27 29 www.ssongg4134.cfd 119.28.188.59, 49803, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 16->29 31 13 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 msdt.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-25 04:39:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cy12 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
SH256 hash:
23e8055d4e1d427d98d20e81c3af557d70051cb5c71f76e4d3753678c7fbba0d
MD5 hash:
4829b717baddcbf42ee6be88a9f26099
SHA1 hash:
5b5f6b61452beacb32711c679f391f18746c1109
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
fcef6adff66649f4af2268cdd80349d44ae31c9bf87d2ba341253ec607789d06
MD5 hash:
a18c188545d8021b47ad42bfd5d1226f
SHA1 hash:
578e1ffb8e7f6eee008ab2c3f7317b3b1e5c5d9a
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:NET
Author:malware-lu
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 fcef6adff66649f4af2268cdd80349d44ae31c9bf87d2ba341253ec607789d06

(this sample)

  
Delivery method
Distributed via e-mail attachment

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