MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 688d37976120937dadeade820aa149096ab1f4f6f15d44635321ec775916f23b. 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



AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 688d37976120937dadeade820aa149096ab1f4f6f15d44635321ec775916f23b
SHA3-384 hash: 593ac8841e0d2e837ed8207639d1714238059a61bbb7e061510e78060383a6e9a22992f7887c0a13ab613f1af2d71abc
SHA1 hash: 871cb36b004c5137cf654b7af898e7f148002abb
MD5 hash: 2b39a8bac7754fe2b70c155498ff61c7
humanhash: vegan-virginia-gee-kansas
File name:Inquiry for Quotation-pdf-.exe
Download: download sample
Signature AgentTesla
File size:753'152 bytes
First seen:2023-08-14 08:02:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:isYBiF9xaigBTPJ9zPvnRV+++QFK2f02jS7CaWlRPJl1bHDfA2w44o:PYBisB1Z3X+4e7ZW/vxDC
Threatray 1'906 similar samples on MalwareBazaar
TLSH T1F2F40101336CAF77E5B5A7F8207510640BF2606E65AAEA180CD2B1CF6876F218F51F5B
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 adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
262
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Inquiry for Quotation-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-08-14 08:04:02 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 window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Gathering data
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 dropped file
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 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)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1290858 Sample: Inquiry_for_Quotation-pdf-.exe Startdate: 14/08/2023 Architecture: WINDOWS Score: 100 62 www.defencerentcar.com 2->62 64 defencerentcar.com 2->64 80 Snort IDS alert for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 9 other signatures 2->86 11 Inquiry_for_Quotation-pdf-.exe 7 2->11         started        15 urqJryEIpk.exe 5 2->15         started        signatures3 process4 file5 52 C:\Users\user\AppData\...\urqJryEIpk.exe, PE32 11->52 dropped 54 C:\Users\user\AppData\Local\...\tmpF349.tmp, XML 11->54 dropped 94 Uses schtasks.exe or at.exe to add and modify task schedules 11->94 96 Adds a directory exclusion to Windows Defender 11->96 98 Tries to detect virtualization through RDTSC time measurements 11->98 100 Injects a PE file into a foreign processes 11->100 17 Inquiry_for_Quotation-pdf-.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        24 Inquiry_for_Quotation-pdf-.exe 11->24         started        102 Multi AV Scanner detection for dropped file 15->102 104 Machine Learning detection for dropped file 15->104 26 urqJryEIpk.exe 15->26         started        28 schtasks.exe 1 15->28         started        30 urqJryEIpk.exe 15->30         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 17->68 70 Maps a DLL or memory area into another process 17->70 72 Sample uses process hollowing technique 17->72 74 Queues an APC in another process (thread injection) 17->74 32 explorer.exe 4 6 17->32 injected 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 28->40         started        process9 dnsIp10 56 www.samsonite-greece.com 165.231.22.78, 80 PACKETEXCHANGESE Seychelles 32->56 58 alikarino.com 217.144.105.174, 49773, 80 NETMIHANIR Iran (ISLAMIC Republic Of) 32->58 60 11 other IPs or domains 32->60 76 System process connects to network (likely due to code injection or exploit) 32->76 78 Performs DNS queries to domains with low reputation 32->78 42 wlanext.exe 32->42         started        46 cmmon32.exe 32->46         started        signatures11 process12 dnsIp13 66 www.samsonite-greece.com 42->66 88 Modifies the context of a thread in another process (thread injection) 42->88 90 Maps a DLL or memory area into another process 42->90 92 Tries to detect virtualization through RDTSC time measurements 42->92 48 cmd.exe 42->48         started        signatures14 process15 process16 50 conhost.exe 48->50         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-08 05:32:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m2y2 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
241a175f2fe788d979b84ceb8eb4b1d009904a28b9c1463d45023e4dbe254f13
MD5 hash:
5c99558091182f183d7a48a3bd256ea5
SHA1 hash:
59f9fa08e099eb8754d73114abf8750412c65408
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
1d4ef92940095ce5abd862ddf54fc5b5223e08dd96c0387c2bd2210f25e92963
MD5 hash:
f9337ea20e5973c9376b8ff35804e35e
SHA1 hash:
b6713a3f755af6fc8342cd11c08e67dc48af5751
SH256 hash:
0a6bd230f852b0ea44610bf025b8a6388b50281a53c605782f02db246ab8423b
MD5 hash:
9f1bce530f26ae3644830b6ee8a58c07
SHA1 hash:
acafe183f3b5af3e5eba3c1160fae890e2b2a979
SH256 hash:
8532b7ab900386ce1d4b166a893aa7d23dd24960612d65a232ac4d25b97f90a7
MD5 hash:
485451a918e8a6a781e7643fba37a556
SHA1 hash:
4582c6f15e407f3590bdfd80f5cdccc8337fd557
SH256 hash:
688d37976120937dadeade820aa149096ab1f4f6f15d44635321ec775916f23b
MD5 hash:
2b39a8bac7754fe2b70c155498ff61c7
SHA1 hash:
871cb36b004c5137cf654b7af898e7f148002abb
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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

AgentTesla

Executable exe 688d37976120937dadeade820aa149096ab1f4f6f15d44635321ec775916f23b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments