MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8
SHA3-384 hash: 1c582931592b10cc82ade261d2b059ab576f88d31d58c9b7704816b947899f2bded7528cf8052d9244c930b3cb2a0677
SHA1 hash: adc0ad3eb2fd2e5bcd52f235028c8a91e74f1853
MD5 hash: 839148c3b8534ab9c99be0976001b46a
humanhash: glucose-spring-lactose-failed
File name:Zahlung.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:296'113 bytes
First seen:2022-02-14 07:12:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owZDf1zZYMoOCn4xGQrv3L+rXmxZh4y1RZ/u6OY6BIg:h1ZJoOCnhYKrXmxZhj1RNp96BJ
TLSH T192541226B0D185E3E8B7993229B2777766B9B30627A9904F2FE01F7B3C31992C535107
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:DEU exe FormBook geo

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/241283/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9eb69e2d-d5a3-452f-a90b-9e654530ad8a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/939158
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571635 Sample: Zahlung.exe Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 8 other signatures 2->53 11 Zahlung.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\cenvz.exe, PE32 11->31 dropped 14 cenvz.exe 11->14         started        process5 signatures6 65 Tries to detect virtualization through RDTSC time measurements 14->65 17 cenvz.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 christian-lehrmann.com 81.169.145.80, 49838, 80 STRATOSTRATOAGDE Germany 20->33 35 yucer.xyz 31.186.11.254, 49839, 80 BETAINTERNATIONALTR Turkey 20->35 37 14 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8/
Threat name:
Win32.Trojan.Injexa
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Status:
Malicious
First seen:
2022-02-14 07:13:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=awulei7lv4hceoxltwglvz7uxptigufva2i7heer62hhudrukc4a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:o09u rat spyware stealer trojan
Link:
https://tria.ge/reports/220214-h14ktagbh5/
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 WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
8505c4d48537faeb968cf8ff32ccdec5da0b27ff5b7f0217e59eed29e815c85d
MD5 hash:
60ce664af83bdd4aeef122868ba21b3d
SHA1 hash:
e9e98e1f044619df04e69098bbf7a0091873ffc6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3726e212-5a3a-4aff-93a8-98e7175ebee8/
Parent samples :
05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8
1eb4790d6bde96e2486580793a9f6759241f0bde48e6b7f1df0e9a1e62e6a1e5
809d14a7da9cd6bfa85055311ac75ea3b5e5fa7d2cd5d03076e8bad13d8791f5
44ef3fddd34f67a95664a66015890c4a8964f0690617edd6abac97b427420419
SH256 hash:
cd2787638d52e51259f502b68fb36189f53a0412cd06a5f5d7966fa328dd422b
MD5 hash:
29bd9a0467041fdb63887287446e4537
SHA1 hash:
848bd508791580401971201b2d52c1a64e319f1f
Link:
https://www.unpac.me/results/3726e212-5a3a-4aff-93a8-98e7175ebee8/
SH256 hash:
05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8
MD5 hash:
839148c3b8534ab9c99be0976001b46a
SHA1 hash:
adc0ad3eb2fd2e5bcd52f235028c8a91e74f1853
Link:
https://www.unpac.me/results/3726e212-5a3a-4aff-93a8-98e7175ebee8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8

File information

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

Malspam

Formbook

Executable exe 05a8b223ebaf0e223aeb9d8cbae7f4bbe68350b50691f39091f68e7a0e3450b8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241283/

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