MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def
SHA3-384 hash: 5c4754d025e68647804b76dff57377e0c08d6e02ea947f1a0d05e020fb2a80d37e1fc755a4f35ed9174d5e423d7c1b25
SHA1 hash: 656c3ca7a2fe33b7c773c033e6787fc40b77523f
MD5 hash: 85c84d3852f42f1dbd665e494e83f666
humanhash: mountain-princess-vegan-oranges
File name:PO889876.pdf.exe
Download: download sample
Signature Formbook
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File size:938'496 bytes
First seen:2021-05-10 08:59:16 UTC
Last seen:2021-05-10 10:02:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:EspWOFVGdXdtBVw1hhhqJstw2NipIf8azcN6i9+fnfUA+qWGZqOvD11POj+4AArX:EcVGdXdPGhhhqJywFpIfwxEfnGATy
Threatray 5'178 similar samples on MalwareBazaar
TLSH E815BF22D6C8AC69E4BBAF752671D1087231F729DB12C35CA5FCE10F5871B859AB2703
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/153866/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/777202
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 409598 Sample: PO889876.pdf.exe Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 31 www.recometals.com 2->31 33 www.lafinchfabric.com 2->33 35 recometals.com 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 8 other signatures 2->49 11 PO889876.pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PO889876.pdf.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 PO889876.pdf.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 ssonya.com 14.128.141.54, 49732, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 18->37 39 www.heaheakoya.com 118.27.99.88, 49734, 80 INTERQGMOInternetIncJP Japan 18->39 41 19 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 mstsc.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       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-05-10 07:47:26 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zs4fppfbflduott3jfvezrjqdtjxu4mcl5fzenqej3ghsbv5bxxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
2ff45850f2e31480bb0020b00786bc290a3979c3db934975e6d15155ba59b453
Formbook
47e832373110163a11b922941cb9a2377c7e44ed290a528073152b0fb1ffef93
Formbook
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
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67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
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6bd5e5d02430922bfce2893c805028ae0374fee203235b379856f8bc5f574a76
Formbook
6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a
Formbook
9cc9de672d4ca190743ce79b149b5c2cda03ad8cd6d9a1d72e4230c7d4b98b30
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a9c3d37d324e9b6a0ebf9f9369c68cc288117edc4657d086b0fbc0cbafee9e64
Formbook
ed6b9ae0e3a62d8c24788b8d5b9ffcb9317861746bfc7864777db86369a3def4
Formbook
+ 5'168 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210510-7588p2atde/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.maleev.design/a7dr/
Unpacked files
SH256 hash:
dc079b42f77256b86578d3ed180e89ebbc49cf2edbd1328d8a40efae8b3b3d36
MD5 hash:
a513c0ba2f5e0553e5fafcbc7251d336
SHA1 hash:
959abec6005eb72f4c2344be20bcab5e890d048e
Link:
https://www.unpac.me/results/ac8a0d16-7caf-4149-bea6-5a67b566b1d1/
SH256 hash:
ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def
MD5 hash:
85c84d3852f42f1dbd665e494e83f666
SHA1 hash:
656c3ca7a2fe33b7c773c033e6787fc40b77523f
Link:
https://www.unpac.me/results/ac8a0d16-7caf-4149-bea6-5a67b566b1d1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def

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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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 ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/153866/

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