MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f5ee7d9915ac3e6f684c7e22555357b5c43c6ca6cbaca8a974b667b51a3ba51. 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: 9f5ee7d9915ac3e6f684c7e22555357b5c43c6ca6cbaca8a974b667b51a3ba51
SHA3-384 hash: d82970aba32bc5a8c9997ecd8e1a69f137b42e15732e00f673deec56a4ce4207815414e738665cb09d08a32d201cedc2
SHA1 hash: 2d9a41bfbad3416321e1913e92f8ee8c8d4e8c7e
MD5 hash: 1c7a241966323185ddea3b121d08b14a
humanhash: bakerloo-jersey-maryland-table
File name:1c7a241966323185ddea3b121d08b14a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'119'232 bytes
First seen:2021-03-06 09:18:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Xznk98W9DUkptgtmeZ/oUQP6bNHGTTWBEeyU71//cttC9phJ/:XYbptAhZgUrUTwHBWo
Threatray 4'058 similar samples on MalwareBazaar
TLSH F0351A3036AA6108E43E5B700D74E1D563FA7E6BBB15CB1E2899074D9F235838F11BB6
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03052021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-06 06:31:02 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/fea940b2-2c53-416a-aa06-a4cbc761ae25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/122610/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.73341.15596.20255.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/630762
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364354 Sample: dlS558Nab8.exe Startdate: 07/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 dlS558Nab8.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\dlS558Nab8.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 dlS558Nab8.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.acdfr.com 199.34.228.73, 49761, 80 WEEBLYUS United States 17->30 32 healthyfifties.com 198.20.125.69, 49765, 80 SINGLEHOP-LLCUS United States 17->32 34 20 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f5ee7d9915ac3e6f684c7e22555357b5c43c6ca6cbaca8a974b667b51a3ba51/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-03-05 22:52:20 UTC
AV detection:
18 of 47 (38.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t5popwmrllb6n5uey7rckvjvpnoehrwkns5mvcuxjnthwundxjiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
30c4c599964fba55c62d804dede3d9da42593ec9040ddc4a1286170b4df8d4f8
Formbook
4136247829572b4210102e01bef684b8e5cbc8ebd9d8dc6a87de79ca62a51630
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
9b8ef6f170a3f6d196ac13599fcd5317c450c210d05a8d52285fd0eb4a17d333
Formbook
a6f46c55982462a48a9fa43feb02b514df87a97b06a1ee073c57ae132cc1bec7
Formbook
f8aafaaa0ba7e096f3ba025d645799879660038ae6bf93be65d1db884183c137
Formbook
f8f23198b19849b8370af83e09cbdf010d5950315403e637b1b6d742b2a460be
Formbook
fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a
Formbook
+ 4'048 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210306-n8a8d26g1x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rizrvd.com/bw82/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/161a4475-5eb3-4835-be11-a75463a96d32/
SH256 hash:
9f5ee7d9915ac3e6f684c7e22555357b5c43c6ca6cbaca8a974b667b51a3ba51
MD5 hash:
1c7a241966323185ddea3b121d08b14a
SHA1 hash:
2d9a41bfbad3416321e1913e92f8ee8c8d4e8c7e
Link:
https://www.unpac.me/results/161a4475-5eb3-4835-be11-a75463a96d32/
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/9f5ee7d9915ac3e6f684c7e22555357b5c43c6ca6cbaca8a974b667b51a3ba51

File information

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

Web download

Formbook

Executable exe 9f5ee7d9915ac3e6f684c7e22555357b5c43c6ca6cbaca8a974b667b51a3ba51

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1049934/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/122610/

Comments