MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07
SHA3-384 hash: f68fa4e6c2bcb9c32a4885cad32fbf0b941bd2fbe48898ce1963de5bc9e8377270d646102593e146d9fea2ebfd662bf9
SHA1 hash: b02e3631edc6afa5f5ac3f27edb38b64d8c985d0
MD5 hash: 1d8580d79cd3d3e0c46fdcb87aea9637
humanhash: alpha-victor-washington-mike
File name:1d8580d79cd3d3e0c46fdcb87aea9637.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:972'800 bytes
First seen:2021-03-10 17:33:48 UTC
Last seen:2021-03-10 19:45:22 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 12288:5rWSIMzymbo6KJP5aJdeTtvduci9koeAZuQUJCU:52Mems6mPYuTtvducieKuQU
Threatray 3'047 similar samples on MalwareBazaar
TLSH 0825486573E45F58F57D9B38912A154483F2FD03E329DA9EBDED80C90623F828AA1713
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1d8580d79cd3d3e0c46fdcb87aea9637.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-10 17:43:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fc58beec-79b4-484e-8047-171047af12aa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Artemis1D8580D79CD3.21969.6712.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/634900
Signature
.NET source code contains potential unpacker
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: 366419 Sample: OPSzlwylj5.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 OPSzlwylj5.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\OPSzlwylj5.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 OPSzlwylj5.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 32 ismaelworks.com 151.106.117.37, 49768, 80 PLUSSERVER-ASN1DE Germany 17->32 34 www.housebulb.com 173.234.15.207, 49747, 80 LEASEWEB-USA-SEA-10US United States 17->34 36 21 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 raserver.exe 17->21         started        24 autofmt.exe 17->24         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 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 13:55:39 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=weuudu3hxlysfd3neywenfvsm7gr2nxgab2cvly75yafql7b5idq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
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21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
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3d3095586bf72d6b631e44681654c68707a6f07987b02e367e7d88ac9ddab77c
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Formbook
af05a9b5f7ed6483d7f10ea0e521e0a15fd90d224ca04a9665991ab630a54991
Formbook
b8ae844621bf21969ca7070937f91101ca4f7277917979ad9d4a4ac43d6e5fad
Formbook
c8aaa220adc918c9972a9c588db765290bf51553bed7da48c604d188136d3073
Formbook
+ 3'037 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210310-x6m5gd7qd2/
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/8c7ec3bc-a451-47d2-add8-f6798f62e966/
SH256 hash:
b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07
MD5 hash:
1d8580d79cd3d3e0c46fdcb87aea9637
SHA1 hash:
b02e3631edc6afa5f5ac3f27edb38b64d8c985d0
Link:
https://www.unpac.me/results/8c7ec3bc-a451-47d2-add8-f6798f62e966/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07

File information

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

Web download

Formbook

Executable exe b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1058692/
  
Delivery method
Distributed via web download

Comments