MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d
SHA3-384 hash: bdcb2d4d6a71494aff7a3e7ea50a0dbf09d43331014cd07799dbf87f173805adeeb974a2e92bf33f19f88261fa7e9b88
SHA1 hash: 771d1085ba3dc78b0603349a952aa4a41055758a
MD5 hash: f60b0ea182916e9455703286990b383a
humanhash: robin-cola-mobile-carolina
File name:S74J3VmrLppqqUy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:714'752 bytes
First seen:2022-09-01 14:13:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:RIS11R/5PvNm1lcba5Z5QYmOPQgPrNCCYWvToMLECp4vIv1z6n:JPvYvcbapAOPQgDNQvCpVtW
TLSH T1E4E4E02536FA1FA7EABD5BFDAAA0211443F8651B101FE3AC5ED270EF1966F444900E13
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
S74J3VmrLppqqUy.exe
Verdict:
Malicious activity
Analysis date:
2022-09-01 14:16:14 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/be5b730b-e805-416a-8b1c-cdeb1407c4ec

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/307250/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6310be6ba7450371f697218f/reports/df932279-63ec-469c-a3eb-ac7e4b54f572/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bbb4fa51-7cf9-4424-8c25-e14979369c9d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1062888
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-18 12:51:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iv3m2udkws3xygmaoj7xqkxgbdqvjszb72wmornvvui2powk6igq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220901-rjzd7sefhl/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
52fb2927696f4f6c2959ad28e65229e4ec3b99a623cedaea58c2e5603b864d4e
MD5 hash:
06064ddefa83a4c355e7cfdaf58fcd29
SHA1 hash:
2027d239cd209a6ba6e042f152ac6128b81c3647
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/83ef4a3f-9c85-4ff3-aa03-41f6c44c09ac/
Parent samples :
1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932
c5eceace14b9e15d482d291de15d27b2cc87dbc7748dc56d38d313a00e9c5bcb
4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d
SH256 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
Link:
https://www.unpac.me/results/83ef4a3f-9c85-4ff3-aa03-41f6c44c09ac/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/83ef4a3f-9c85-4ff3-aa03-41f6c44c09ac/
SH256 hash:
5b7f1df8a2e0bcea43550402a3833d998080240a9f74ca2f87e178e10212f06d
MD5 hash:
7195af00bf18ac9c951a9980267be204
SHA1 hash:
13b23727766667a80f000c6861d81d32391249b5
Link:
https://www.unpac.me/results/83ef4a3f-9c85-4ff3-aa03-41f6c44c09ac/
SH256 hash:
fa300d54fc4296d59a08bce21c549c2c3eac3f3f2ce1a19f8acfb3ed915fd44d
MD5 hash:
83a1e7b2c044aa7301c1b49758d9ee00
SHA1 hash:
0092b56018b582418771fa0a7fb6f654d7f416ee
Link:
https://www.unpac.me/results/83ef4a3f-9c85-4ff3-aa03-41f6c44c09ac/
SH256 hash:
4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d
MD5 hash:
f60b0ea182916e9455703286990b383a
SHA1 hash:
771d1085ba3dc78b0603349a952aa4a41055758a
Link:
https://www.unpac.me/results/83ef4a3f-9c85-4ff3-aa03-41f6c44c09ac/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Malspam

Formbook

Executable exe 4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/307250/

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