MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 701e73e5e7ece8e23a505a09b1f41d1a282406c0b11b42115896f8ab34a626af. 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 File information Comments

SHA256 hash: 701e73e5e7ece8e23a505a09b1f41d1a282406c0b11b42115896f8ab34a626af
SHA3-384 hash: 7b45401aff39f23f2336213c2ae7743c30267adafe4122558332764f1663e07217781970adab3bf8399722e405ed0fa7
SHA1 hash: 68bdee65a21cb784177b20da4f1078452f9b7224
MD5 hash: b4b99dde2afeeb4da6b582a1b2735422
humanhash: wolfram-lithium-diet-massachusetts
File name:b4b99dde2afeeb4da6b582a1b2735422.exe
Download: download sample
Signature Formbook
File size:1'469'440 bytes
First seen:2021-01-20 14:51:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2rxUZAjKrekWj8iA75jkE/9XWhhAY5bWiPwl3VJJZxio:2riZAjKqzj8iAFkuXQbDw1xF
Threatray 3'583 similar samples on MalwareBazaar
TLSH 2D65C59C751C72DEC8D7C4629AAB1C64EA532CBA431B420390173DB9BA7C897CF547B2
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b4b99dde2afeeb4da6b582a1b2735422.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-20 15:34:50 UTC
Tags:
n/a

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

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
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
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 342163 Sample: yty5HOxW3o.exe Startdate: 20/01/2021 Architecture: WINDOWS Score: 100 31 www.floridasoapwork.com 2->31 33 www.edgecase.pro 2->33 35 edgecase.pro 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 yty5HOxW3o.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\yty5HOxW3o.exe.log, ASCII 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->65 15 yty5HOxW3o.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 dezignercloset.com 162.241.217.108, 49750, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 oro-iptv.com 34.102.136.180, 49737, 80 GOOGLEUS United States 18->39 41 8 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 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 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-20 14:52:11 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.theatomicshots.com/xle/
Unpacked files
SH256 hash:
1fa7ef7be1c4343628e13635a51011631905dd6727ca166da53c9c9765ffed8c
MD5 hash:
1d579806d94f4c43fcdd13baadeb1c32
SHA1 hash:
18b56c5c8da39428246f0d5f8e124bca9c29e032
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
SH256 hash:
bcff33fc51e9f81a3e81ebfc9357a8ea9b1ef9f56c10636902fbd260ce44f83c
MD5 hash:
f623b32afc44ccf5386c530b948b72a1
SHA1 hash:
4b52262496caac238054f08a2ac1b702e4b85b9f
SH256 hash:
701e73e5e7ece8e23a505a09b1f41d1a282406c0b11b42115896f8ab34a626af
MD5 hash:
b4b99dde2afeeb4da6b582a1b2735422
SHA1 hash:
68bdee65a21cb784177b20da4f1078452f9b7224
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 701e73e5e7ece8e23a505a09b1f41d1a282406c0b11b42115896f8ab34a626af

(this sample)

  
Delivery method
Distributed via web download

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