MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41. 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 2 File information Comments
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SHA256 hash: 03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41
SHA3-384 hash: 46bb165d93e04ec6052eb7dc03af96fed7e9fbc36a8f356427d3a52f87868de4f94eb620248acf24eeb6ed9af6bcabc0
SHA1 hash: f744670f839248197290b946eeaa554d95ade4c9
MD5 hash: a2bbcd8a4e4a0da26319769fddf76156
humanhash: zebra-rugby-shade-two
File name:03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41
Download: download sample
Signature Formbook
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File size:604'160 bytes
First seen:2022-11-08 13:01:11 UTC
Last seen:2022-11-08 14:40:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:mIdoJAF66h7Boswaqs0BgxLrhkzbIXeF6g5zCE7gdGvojMOhgTM+n+G6:m27M6OgRrvuQ0zp7gdGvojMO2TM++G
TLSH T1FED41222BF73E26BC2D8373BDC9854885370EF41A1A3EB09671531990D933BF19256E6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 44c0a8b4a2ea7298 (9 x Formbook, 8 x SnakeKeylogger, 2 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
196
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41
Verdict:
Suspicious activity
Analysis date:
2022-11-08 12:59:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9e39a100-195b-499a-b07f-d188385f4254

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/330527/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.738.26955.5133.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/636a534b4965a861c71fc062/reports/e56000bc-0343-45f5-8b03-0cfe52d4ee20/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f6bce283-5f2e-4e05-9bf2-41d25800c646
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1108760
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741424 Sample: BCEWSBXkdK.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 8 BCEWSBXkdK.exe 3 2->8         started        process3 file4 23 C:\Users\user\AppData\...\BCEWSBXkdK.exe.log, ASCII 8->23 dropped 11 BCEWSBXkdK.exe 8->11         started        14 BCEWSBXkdK.exe 8->14         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 11->51 53 Maps a DLL or memory area into another process 11->53 55 Sample uses process hollowing technique 11->55 57 Queues an APC in another process (thread injection) 11->57 16 explorer.exe 11->16 injected process7 dnsIp8 25 xd1byo85jbe066b.xyz 216.18.208.202, 49689, 49690, 80 WEBNXUS United States 16->25 27 xn--jpochsseafood-fhb.com 76.223.105.230, 49688, 80 AMAZON-02US United States 16->27 29 2 other IPs or domains 16->29 31 System process connects to network (likely due to code injection or exploit) 16->31 33 Performs DNS queries to domains with low reputation 16->33 20 chkdsk.exe 13 16->20         started        signatures9 process10 signatures11 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2022-10-27 12:34:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=apittgll2zufscbfy4y4nmxj7ojkxxlokzhfiavhqas7rr2e3raq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:zvna rat spyware stealer trojan
Link:
https://tria.ge/reports/221108-p9scgahad9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Unpacked files
SH256 hash:
0a9c9af0ed9a5569f72bfbdd124d0307e9742dfc5a476ff4d94c9da72b5891b4
MD5 hash:
289bd9f1cbb2cabc078544e5072acc56
SHA1 hash:
40a42baa0e7aab847ed81cb02eb1f4ff0d38451e
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
Parent samples :
caf4ac43c3dcb52b8d0177fed6fa6e35068ec65748d426c5e25faedbb5d2f359
03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41
SH256 hash:
1237640792e52792df5c3addbf4fe5f4cc5d7613d49164cf7896d2de37657102
MD5 hash:
e6aedeb24e768123f4ce487798bf145d
SHA1 hash:
21df988942f8083fdedde77a95b3a233da914f8c
Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
SH256 hash:
9e4be6f4fefb3adf5943f06c1033c45246c2bf5f9c203fcb853fd71598469aea
MD5 hash:
afff4c4daeda9fe68566f35e168ddd3f
SHA1 hash:
a411b3a3548ca1f20f969f0cf3a0754b01acd625
Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
SH256 hash:
248a7c4997aacb14ca032daf9668636839f921d0a3403f09a3b0ccfdc948cbf1
MD5 hash:
a7952169b04a2c6a39661aad59e79dcf
SHA1 hash:
88722f1a32c913307c0c6385b04478a79fabd12b
Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
SH256 hash:
6cf215bd615b36fc2fafe0325cc5aaa7717b6f542ed8c71c1f0ff7f861ded172
MD5 hash:
4da2a993ce0c2a0bd3d8be844f6e4b2c
SHA1 hash:
23ce468359508bc995ecc92de0167aeccad4f094
Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
SH256 hash:
03d139996bd668590825c731c6b2e9fb92abdd6e564e5402a78025f8c744dc41
MD5 hash:
a2bbcd8a4e4a0da26319769fddf76156
SHA1 hash:
f744670f839248197290b946eeaa554d95ade4c9
Link:
https://www.unpac.me/results/7a0c69bf-88f4-438a-a0b4-379dbd6f2811/
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/330527/

Comments