MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 403a4e43c1e0d41c4a8e7cb267323e5770ab3d8617815c0da52fbb5f4db8787e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 403a4e43c1e0d41c4a8e7cb267323e5770ab3d8617815c0da52fbb5f4db8787e
SHA3-384 hash: 0d809594c4d3f1a1529e301f21e4bb29015375334619f00240f105b62e9f4694fe0732f58eee2794b99e61dd40e655bc
SHA1 hash: 26120eb1928670fcaf117d92de78f36ad8a3bed0
MD5 hash: 2a31b10780117434a19f2b63f395c50d
humanhash: north-early-oregon-nitrogen
File name:SecuriteInfo.com.Win32.PWSX-gen.27415.4919
Download: download sample
Signature Formbook
Create hunting rule
File size:739'840 bytes
First seen:2023-08-30 06:33:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:BE4NKYfCiFCuCm8u0jtgZ8gVl4KRrcF4ldusRZxzWqAdvDuXy2aN9+8rC7UhRcOn:BFKYfXQfrjiZfl4KRoFsduKxyCiZy5yu
Threatray 18 similar samples on MalwareBazaar
TLSH T1D9F4E12976B86F26E2BD83F58530554417F977AE293EE38C4DD134EF1A65F820A01B23
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.27415.4919
Verdict:
No threats detected
Analysis date:
2023-08-30 06:52:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ed160e04-abb4-46de-97aa-da94e5b8d428

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/445235/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.27415.4919.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
explorer lolbin masquerade packed
Link:
https://www.filescan.io/uploads/64eee2e07444d2eb09f33cdb/reports/3b899c5a-1ec0-46a0-9265-d3c2633714c7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/403a4e43c1e0d41c4a8e7cb267323e5770ab3d8617815c0da52fbb5f4db8787e
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a1752e4d-46d2-4c67-a7b1-bc422e96bb8f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1300186
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
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)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1300186 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 30/08/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 5 other signatures 2->46 9 SecuriteInfo.com.Win32.PWSX-gen.27415.4919.exe 3 2->9         started        process3 signatures4 50 Writes to foreign memory regions 9->50 52 Allocates memory in foreign processes 9->52 54 Injects a PE file into a foreign processes 9->54 12 RegSvcs.exe 9->12         started        process5 signatures6 56 Maps a DLL or memory area into another process 12->56 58 Queues an APC in another process (thread injection) 12->58 15 aiElGHAETtpFizxruQBLj.exe 12->15 injected process7 process8 17 ipconfig.exe 13 15->17         started        signatures9 32 Tries to steal Mail credentials (via file / registry access) 17->32 34 Tries to harvest and steal browser information (history, passwords, etc) 17->34 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 20 explorer.exe 1 17->20 injected 24 aiElGHAETtpFizxruQBLj.exe 17->24 injected process10 dnsIp11 26 nasyoeastasia.org 192.185.129.44, 49761, 49762, 49763 UNIFIEDLAYER-AS-1US United States 20->26 28 www.thesoul.agency 217.160.0.65, 49755, 49756, 49757 ONEANDONE-ASBrauerstrasse48DE Germany 20->28 30 4 other IPs or domains 20->30 48 System process connects to network (likely due to code injection or exploit) 20->48 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/403a4e43c1e0d41c4a8e7cb267323e5770ab3d8617815c0da52fbb5f4db8787e/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-08-30 03:56:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ia5e4q6b4dkbysuopszgomr6k5ykwpmgc6avydnff65v6tnypb7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
54ec929ab868528d647d285298b5ab71ef9aad83e1a3594b3d13f2a02f127d96
Formbook
7496574bfa590d4e3b360f0a485e1d36571b1973fcbe23ec0236700090cc236a
Formbook
77b2df747c5ded816a5baa3d1f38beaea588aa7f4d043d7b9e9c5d67991ad852
Formbook
a4d5963e0d2770194c439a2fa07da2dda5eeceb8eb5bb5c1b106cff178f4e624
Formbook
ac254c8f30ac538efa1c6774d3b7e6a1b379af081c6cb15d36440e4913bc41c1
Formbook
aee3fa1601e0521d9c628cb2fd13178a06c2f7923478742189026102cda8a494
Formbook
c0545f16fbbecef4ff1983c05e620651f24c48d3debaf525fd3e057ef688fae4
Formbook
c1a46fa04740b97fb8ffd1a24b00a770dd5ccb929a66583ed48a4ce75da7c175
Formbook
+ 8 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230830-hbtdjsdc41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4cf83fc9efeb826ac73a6099f8a0956121ecba2f971ba93cb5fac72a8656920f
MD5 hash:
5706301c0d4d9f59abf27b8f4d485e66
SHA1 hash:
15ca4e3830b66b626095b727a7d89268c17967ab
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3cfe45b7-b644-4b5a-99aa-211166c1c757/
Parent samples :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 hash:
31329dc320d9045a64a27fc3e8e03af37996773f6c866e1b3519d6db473eaace
MD5 hash:
b8543a30ab57dfa41dcb087168eee7ed
SHA1 hash:
5694b6c2a7ac003d0c13cceb3bf50497bb19a307
Link:
https://www.unpac.me/results/3cfe45b7-b644-4b5a-99aa-211166c1c757/
SH256 hash:
892761d55890a0af5517cc5da1b7b251539f9d1b5e126616def3b66b60b25f50
MD5 hash:
1381fe1ab71c80397a78422051edbd51
SHA1 hash:
e258e5a6e54f6314944e713515d22906fa4520f7
Link:
https://www.unpac.me/results/3cfe45b7-b644-4b5a-99aa-211166c1c757/
SH256 hash:
5846c855d84ce31d178d105977e643a28a6d76bb34bb0312f43246dca9d6d1af
MD5 hash:
94e1fbd0d7f35b45585f385cdc078f90
SHA1 hash:
b0a9c360bab3f214555333d9e4f11ccd874b2dd3
Link:
https://www.unpac.me/results/3cfe45b7-b644-4b5a-99aa-211166c1c757/
SH256 hash:
5a2063c9e9b761315219c7df866270345e4f911d56065f6727d2fdc50a1dfa13
MD5 hash:
4dfe4e8b43302013b03d39d1ea343a39
SHA1 hash:
12e00544445f15ad84310dbf55b445de31483170
Link:
https://www.unpac.me/results/3cfe45b7-b644-4b5a-99aa-211166c1c757/
SH256 hash:
403a4e43c1e0d41c4a8e7cb267323e5770ab3d8617815c0da52fbb5f4db8787e
MD5 hash:
2a31b10780117434a19f2b63f395c50d
SHA1 hash:
26120eb1928670fcaf117d92de78f36ad8a3bed0
Link:
https://www.unpac.me/results/3cfe45b7-b644-4b5a-99aa-211166c1c757/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/403a4e43c1e0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/403a4e43c1e0d41c4a8e7cb267323e5770ab3d8617815c0da52fbb5f4db8787e

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/445235/

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