MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a5a2cf364aca0c9dcf7b760be3c8e9cff4f5ee3b3d1571a94d5f149e81a37d1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 3a5a2cf364aca0c9dcf7b760be3c8e9cff4f5ee3b3d1571a94d5f149e81a37d1
SHA3-384 hash: 11486fd15936daf5f41388ca5005ada98259f8a5250e8c8fba150a5d8927fd5dd1de5d52c9dc2f6cab7af777b960a9c5
SHA1 hash: eb275e0f761385b197d44a98c106bda0c0eaee79
MD5 hash: 99ea31536fd5268f539b5ee5c19276fb
humanhash: california-juliet-carpet-victor
File name:Payment Notice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:711'168 bytes
First seen:2023-01-30 15:19:36 UTC
Last seen:2023-01-31 08:49:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:4SaQ+QTuTbEIObCnIkthdSYSI/I2oWeh3ih9HvA:v+Q9IOb0hdTd/+BYTo
TLSH T124E40299427CCB7AEA6A43FF51B014146BB215BBF061E30C0FEFA4E5858B7005165BBB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Payment Notice.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 15:22:14 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/eb07f1a0-8953-4595-8aaf-a1c435c05137

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/358372/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65249671.26655.28410.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d7e023447edb203a020dfe/reports/270eed2b-9a86-415c-b313-de3acefeff32/overview
Result
Verdict:
UNKNOWN
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/f357eb9c-2b5f-45ad-896a-ddfb58ed526b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161746
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 794500 Sample: Payment Notice.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 31 www.dv4j2dq3c2f.com 2->31 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 9 other signatures 2->45 11 Payment Notice.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Payment Notice.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 Payment Notice.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 3 6 15->18 injected process9 dnsIp10 33 www.breatheasytoday.com 74.220.199.6, 49726, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 shops.myshopify.com 23.227.38.74, 49725, 80 CLOUDFLARENETUS Canada 18->35 37 www.armarinhoamorinstore.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a5a2cf364aca0c9dcf7b760be3c8e9cff4f5ee3b3d1571a94d5f149e81a37d1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-01-30 14:47:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjncz43evsqmtxhxw5ql4peott7u6xxdwpivoguu2xyut2a2g7iq._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:sz17 rat spyware stealer trojan
Link:
https://tria.ge/reports/230130-sqrhlsah22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
Parent samples :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 hash:
298a31993853244d8ffa7f458aa904c3fc035e1e3b0505f3085d3b449e807c3b
MD5 hash:
946ca755e0e50b9c7644b1fb0a1f130b
SHA1 hash:
99baefb0480f4c02bdfcb47ba8062b18a096a556
Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
SH256 hash:
306253a5078500210d2b0a83998b389f373eb3bbad58c84c08f68f824e92eb86
MD5 hash:
14022ac7a476dfcd71e2ca77a9d4323a
SHA1 hash:
c7d77bc86687145cf031677cf5f77a0d4d810d9b
Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
SH256 hash:
54d781f0dee6692c47390edf1ada295fb17a7e80ed5ccd58ab14c6ddf80a0ad8
MD5 hash:
4f6caebd865502f7c8046fbae3284c61
SHA1 hash:
be357e832bf6f61454875b37a1759cf1c5fa5ca4
Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
SH256 hash:
ef09dba3e265b0fe4cd4ca3bf106ab439f7b306655a8ab2f3d598e3516343de0
MD5 hash:
85b3e9a1132ee75c0328a72a3ee9e7a2
SHA1 hash:
abcecbbdecbce94e6edad9d3bdd2dfcf553ac30a
Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
SH256 hash:
3a5a2cf364aca0c9dcf7b760be3c8e9cff4f5ee3b3d1571a94d5f149e81a37d1
MD5 hash:
99ea31536fd5268f539b5ee5c19276fb
SHA1 hash:
eb275e0f761385b197d44a98c106bda0c0eaee79
Link:
https://www.unpac.me/results/fcd3e8e0-3cdc-4e6f-92fe-fdffd943e4ba/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a5a2cf364ac/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/3a5a2cf364aca0c9dcf7b760be3c8e9cff4f5ee3b3d1571a94d5f149e81a37d1

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
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

rar eed05f91ea269ad8faf0e1374f745f9408c23f4a2597140b1fb0a455785d5aab

Formbook

Executable exe 3a5a2cf364aca0c9dcf7b760be3c8e9cff4f5ee3b3d1571a94d5f149e81a37d1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358372/
  
Dropped by
SHA256 eed05f91ea269ad8faf0e1374f745f9408c23f4a2597140b1fb0a455785d5aab
  
Dropped by
MD5 ee87f6d9f759e25bb73978b9e2d83f1e

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