MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6
SHA3-384 hash: 3b6362d57149fe8a44b75a7cc0ffb601719e7a6f946a121af409e3964f72d62743950a5dbeeaf9cc4c499f46729c8272
SHA1 hash: b75efcf7de5dc5acbf066ec799c56297a1499a81
MD5 hash: 5cdf122ace2e580ddc241bec6b8b708b
humanhash: tennessee-aspen-burger-cola
File name:5cdf122ace2e580ddc241bec6b8b708b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:841'216 bytes
First seen:2021-04-29 15:06:35 UTC
Last seen:2021-04-29 19:05:39 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 24576:ywPm0BomPP4UixJnTnHjWbddewt7Z9ZLEX:5PnBom/K9HjWbddeY9O
Threatray 4'912 similar samples on MalwareBazaar
TLSH 5705E0133F889A94E47D33B50871738023B7F8C6A9E2CA1D7998715D4EB27839637396
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/146753/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.688-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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/702602
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 400222 Sample: MRQUolkoK7.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 34 www.appsend.online 2->34 36 www.hoangphucsolar.com 2->36 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 4 other signatures 2->46 11 MRQUolkoK7.exe 3 2->11         started        signatures3 process4 signatures5 54 Tries to detect virtualization through RDTSC time measurements 11->54 56 Injects a PE file into a foreign processes 11->56 14 MRQUolkoK7.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.metallitypiercing.com 217.160.0.158, 49755, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->28 30 www.spwakd.com 95.217.117.42, 49742, 80 HETZNER-ASDE Germany 17->30 32 11 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 21 control.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 15:07:27 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xsepptqi4dz43bzgp77ydch336r7zhtthw4xoxk7a3x7qkrzupla._file
Verdict:
malicious
Similar samples:
1a912965cb32d547e15282d11d1251c5fd89a5d2714a198ca26c2ad8597865bb
Formbook
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
397fd95899f186c1385818c6b996f4cb410e266a84b2c134104d01675a822e27
Formbook
452534ffdab7839250b44f52865d7e4e60d13deec5e13637514dd614ad46539c
Formbook
6657aeabd5ded830361aad9112749d785fc0fbe46121daeb7acb23cd841274ed
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
959b34597496ad489c8f8371ddc89fce086376f9fc966b97d2bdfa8967ca5e8e
Formbook
b0762ca49381026932f488d2a816a18639c410ba45f456014861ac66b9b3f4e6
Formbook
ce399cb6f48a7daf6fd1ce9ffc9a0fe086d101fac2c11a1a636e1932d3303c90
Formbook
f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83
Formbook
+ 4'902 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210429-2kz8tr54ae/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.cats16.com/8u3b/
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
Link:
https://www.unpac.me/results/060773b8-79cc-4b8e-8a15-38420b274e19/
SH256 hash:
bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6
MD5 hash:
5cdf122ace2e580ddc241bec6b8b708b
SHA1 hash:
b75efcf7de5dc5acbf066ec799c56297a1499a81
Link:
https://www.unpac.me/results/060773b8-79cc-4b8e-8a15-38420b274e19/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

Formbook

Executable exe bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/146753/
  
URLhaus
https://urlhaus.abuse.ch/url/1183460/
  
Delivery method
Distributed via web download

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