MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1948ab697ab42c8b94611b4233c0c47a232f85ddc19b9fb7dffe12955954cc8e. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments

SHA256 hash: 1948ab697ab42c8b94611b4233c0c47a232f85ddc19b9fb7dffe12955954cc8e
SHA3-384 hash: 2fc3ea4b70e2fcc6f0dcd9071722c463785fe6a6aa069afe00a27142989122817dcc5c2a8e04e14d56a740e51154dc8e
SHA1 hash: 479266aa5a4465f0af2c807ec06152079a2c25b3
MD5 hash: 5d6985f8e3a0cd896ede2ff7d0d9abc2
humanhash: wyoming-triple-chicken-utah
File name:E-2023-06-41R1.exe
Download: download sample
Signature Formbook
File size:353'015 bytes
First seen:2023-09-13 07:06:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:pYa6GrFXwxwfJyThNEhZ998gk4CmjUeoa47UlJjEOT6fxPVZociPo//:pYorkvhah3Y47ncSJjE9130PI/
Threatray 31 similar samples on MalwareBazaar
TLSH T1567423A46564C557FAF284B21CB62316FEF4BE0A98D99F0B13503F683570AC2770A763
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
312
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
E-2023-06-41R1.exe
Verdict:
Malicious activity
Analysis date:
2023-09-13 07:10:03 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
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 netstat to query active network connections and open ports
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308364 Sample: E-2023-06-41R1.exe Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 5 other signatures 2->48 10 E-2023-06-41R1.exe 18 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\oaidx.exe, PE32 10->30 dropped 13 oaidx.exe 10->13         started        process5 signatures6 62 Antivirus detection for dropped file 13->62 64 Multi AV Scanner detection for dropped file 13->64 66 Machine Learning detection for dropped file 13->66 68 Maps a DLL or memory area into another process 13->68 16 oaidx.exe 13->16         started        process7 signatures8 38 Maps a DLL or memory area into another process 16->38 40 Queues an APC in another process (thread injection) 16->40 19 uCRtNpLirHRHLGHyyzKuGdQYFfHNxB.exe 16->19 injected process9 process10 21 NETSTAT.EXE 13 19->21         started        signatures11 50 Tries to steal Mail credentials (via file / registry access) 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 24 explorer.exe 2 1 21->24 injected 28 uCRtNpLirHRHLGHyyzKuGdQYFfHNxB.exe 21->28 injected process12 dnsIp13 32 www.blackgrow.info 203.161.53.83, 49748, 49749, 49750 VNPT-AS-VNVNPTCorpVN Malaysia 24->32 34 mydesigneredge.com 162.144.13.104, 49768, 49769, 49770 UNIFIEDLAYER-AS-1US United States 24->34 36 14 other IPs or domains 24->36 58 System process connects to network (likely due to code injection or exploit) 24->58 60 Performs DNS queries to domains with low reputation 24->60 signatures14
Threat name:
Win32.Trojan.Vigorf
Status:
Malicious
First seen:
2023-09-12 23:39:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
00441ae3605c3083964af6a40edec2b085bf997c2c640f45fc90c883a6669ec8
MD5 hash:
71eafe4f0cd1526e96d371c09b66d57d
SHA1 hash:
d1d289179111872b30ef63a065b13cfa85f061ad
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
568a7da2bff42094514b3c8cda6ddbb35ee512c1555e6108bc4a8f1b0ca82f05
MD5 hash:
9c399b7c7da398a5912deba1b7712327
SHA1 hash:
8b914fe46df7335df48e5abf6cda0a668af17faf
SH256 hash:
d83be6d8384c9718b76a68cd4994fd3b2dd15ad1139977032f1f997deb6336f7
MD5 hash:
3e9ffa47e101ce889f82ce3906ca6f53
SHA1 hash:
21f28a13963294120796fb19245cbc55615de6e8
SH256 hash:
1948ab697ab42c8b94611b4233c0c47a232f85ddc19b9fb7dffe12955954cc8e
MD5 hash:
5d6985f8e3a0cd896ede2ff7d0d9abc2
SHA1 hash:
479266aa5a4465f0af2c807ec06152079a2c25b3
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 1948ab697ab42c8b94611b4233c0c47a232f85ddc19b9fb7dffe12955954cc8e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments