MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cfd3b8ba7a3da6c08222b824d569148499ebfd98ae94b991157bda8f78ab515. 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 2 File information Comments

SHA256 hash: 5cfd3b8ba7a3da6c08222b824d569148499ebfd98ae94b991157bda8f78ab515
SHA3-384 hash: 44b9ff1ab194f02f5e40edb267b8636aad043b8c953072a7729a494e367cb412d66a8ce1f4df7b78512214dc401a1860
SHA1 hash: 8da5f023e8e2e011019a1bc637cf6256f0bf5bfe
MD5 hash: 88b9c24315008dc024edb9d2cde0be49
humanhash: oklahoma-failed-ack-missouri
File name:Teklif talebi MBE00923,pdf.exe
Download: download sample
Signature Formbook
File size:892'416 bytes
First seen:2022-02-14 08:41:51 UTC
Last seen:2022-02-16 17:21:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ln2pXIxReZ9Lr2cJwia5rcxTm7emhTehK4pvrbvx8TCVFFLsv64bhqzw791P4uap:l2a729/2cJwUxKFDuvrb3VM6ahqzgA6
Threatray 13'282 similar samples on MalwareBazaar
TLSH T169150101BBE66B23C97B0E7BC5E142029770E54A910BD77FA0D136F85C8B3691D7227A
File icon (PE):PE icon
dhash icon f8a4b2b4b4b4b2c0 (20 x AgentTesla, 8 x Loki, 6 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 dnsIp2 2 Behavior Graph ID: 571676 Sample: Teklif talebi MBE00923,pdf.exe Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 36 www.hodgeandpartners.com 2->36 38 www.getchatterfrog.com 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 7 other signatures 2->48 11 Teklif talebi MBE00923,pdf.exe 3 2->11         started        signatures3 process4 file5 34 C:\...\Teklif talebi MBE00923,pdf.exe.log, ASCII 11->34 dropped 14 Teklif talebi MBE00923,pdf.exe 11->14         started        17 Teklif talebi MBE00923,pdf.exe 11->17         started        19 Teklif talebi MBE00923,pdf.exe 11->19         started        21 2 other processes 11->21 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 23 explorer.exe 14->23 injected process8 dnsIp9 40 www.hodgeandpartners.com 203.170.80.250, 80 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 23->40 50 System process connects to network (likely due to code injection or exploit) 23->50 27 control.exe 23->27         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 27->52 54 Modifies the context of a thread in another process (thread injection) 27->54 56 Maps a DLL or memory area into another process 27->56 58 Tries to detect virtualization through RDTSC time measurements 27->58 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-14 08:42:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:nazb loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
46cefb82144befecad954666b8dad593bc57c84009ce8642f7edb15a36436803
MD5 hash:
730577b496a5d7f00958c13e92143cea
SHA1 hash:
70ac754c76726caabf442ffd1f4ee874388ed028
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
78f337e1c0dca141791ca8b029e60cb04550cc31e55b0c0218fa63e5c70341ed
MD5 hash:
7be8dadfeeb5e412c4afa46f28d2683f
SHA1 hash:
ee8f645094dbd6dc2318c7e08f34d569437e725c
SH256 hash:
3ca74eb4ce4c2c5604dc298949ae47996d93063abfde0682d689205561d17d44
MD5 hash:
4e35b541f3d9162d0ac93d336df67779
SHA1 hash:
bb9e65761186806d4bada659e9d5db0c070501d4
SH256 hash:
12bf4819c072546b9583c917f642b19a9968cac151afee148583acf3c752cf1c
MD5 hash:
a01b48b3a7d9593819c77e845d832cdf
SHA1 hash:
b1a23d6c90bab1d62902cd2fe355a1c2e7552ed8
SH256 hash:
5cfd3b8ba7a3da6c08222b824d569148499ebfd98ae94b991157bda8f78ab515
MD5 hash:
88b9c24315008dc024edb9d2cde0be49
SHA1 hash:
8da5f023e8e2e011019a1bc637cf6256f0bf5bfe
Malware family:
XLoader
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: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 5cfd3b8ba7a3da6c08222b824d569148499ebfd98ae94b991157bda8f78ab515

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments