MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb44a6f7264ae4707ae8b0db82d0f62766f996f7bd37586401e11e5bccb30bd7. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb44a6f7264ae4707ae8b0db82d0f62766f996f7bd37586401e11e5bccb30bd7
SHA3-384 hash: f25eaa8d59bb9cf23e86a8ed2950377a8e4ef3edb1e1678b55ad141aec05daa97acb6c1ac20a0a697b01c0aed70f64ce
SHA1 hash: 6f3ab69ca49850f49a8b67a76c7788e9988868f1
MD5 hash: 96b356e875a0578b468ae325279bbbdf
humanhash: chicken-lion-fix-apart
File name:Purchase Order #330716o.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:721'408 bytes
First seen:2021-05-08 06:43:10 UTC
Last seen:2021-05-08 07:01:40 UTC
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:E+99sUxo3CskWcQm0RkU+xzenMSV6zoYNSvw6d0CqTA2eZjtviw0AMsmJ0+a8UuP:9KUIsR0RL+xSnMSAE696d0E2eBtviw77
Threatray 5'025 similar samples on MalwareBazaar
TLSH B1E4027D23DBAF11CAFE96B81991910A03357E464D53E33CEAD871F609B3790C9582A3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/152995/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/718065
Signature
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 submitted file
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 407963 Sample: Purchase Order #330716o.exe Startdate: 08/05/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 10 Purchase Order #330716o.exe 3 2->10         started        process3 file4 32 C:\Users\...\Purchase Order #330716o.exe.log, ASCII 10->32 dropped 58 Injects a PE file into a foreign processes 10->58 14 Purchase Order #330716o.exe 10->14         started        17 Purchase Order #330716o.exe 10->17         started        19 Purchase Order #330716o.exe 10->19         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 21 explorer.exe 14->21 injected process8 dnsIp9 34 www.akurasushinewyorkny.com 154.88.205.33, 49764, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 21->34 36 www.trumpmasksshop.com 21->36 38 trumpmasksshop.com 34.102.136.180, 49761, 80 GOOGLEUS United States 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 50 Uses ipconfig to lookup or modify the Windows network settings 21->50 25 ipconfig.exe 21->25         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb44a6f7264ae4707ae8b0db82d0f62766f996f7bd37586401e11e5bccb30bd7/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-07 11:01:35 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=znckn5zgjlsha6xiwdnyfuhwe5tptfxxxu3vqzab4epfxtftbplq._file
Verdict:
malicious
Similar samples:
3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
851ee4f67cc28e3634b0062d77f62222d026c4e9674a894bcdd5b6c6e6bda376
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
b35de004189f271fe754dd614e5fbbc299425f5aca9ebf1f935bf26696964853
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
d669d899b7cd236de403fd42807fffcf3600d5070d42e09e21f67ded211a504f
Formbook
dd3ecf0b5a39b287ba63687fe12ff1f1fcdde34adf0f3e30f7990ebc158347d8
Formbook
de96d53592393fa5cd5dc6ed2d8d9430245ac083643591b6f060a4efc2e044d6
Formbook
e47fa9824fd9f5f8e8b42fb02f53cfbf57b7c784d54c9e76ed247a9d297835cf
Formbook
+ 5'015 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210508-dlbesv1zlx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.itoatoapparel.com/hfg/
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/8e10b2a1-059b-43bf-ba16-1b016ddcf334/
SH256 hash:
cb44a6f7264ae4707ae8b0db82d0f62766f996f7bd37586401e11e5bccb30bd7
MD5 hash:
96b356e875a0578b468ae325279bbbdf
SHA1 hash:
6f3ab69ca49850f49a8b67a76c7788e9988868f1
Link:
https://www.unpac.me/results/8e10b2a1-059b-43bf-ba16-1b016ddcf334/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/cb44a6f7264ae4707ae8b0db82d0f62766f996f7bd37586401e11e5bccb30bd7

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 cb44a6f7264ae4707ae8b0db82d0f62766f996f7bd37586401e11e5bccb30bd7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/152995/

Comments