MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d6ee1d23abdfa6e4d9765c2280ac2e89b0e1adadbaf2cf4ecff295affaf9b50. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 5d6ee1d23abdfa6e4d9765c2280ac2e89b0e1adadbaf2cf4ecff295affaf9b50
SHA3-384 hash: 5e490b324282d69a257b739d3a96dc7f66c9347b84749f5375a3e19f326b301d84a9c25688b3e68b575db3b57576b429
SHA1 hash: 22dac2ae92f27423cbe92939d03e91f04387f24c
MD5 hash: 2e3c5750cb6d58a180d349537943a536
humanhash: beer-lake-wolfram-xray
File name:PO 700125-pdf-.exe
Download: download sample
Signature Formbook
File size:814'592 bytes
First seen:2023-02-10 06:38:00 UTC
Last seen:2023-02-10 08:29:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:pAR1NdInqIsfWU9L+0/b520t9nqH2kkmS5G:uR1N2nmdfI0t9ne2h5G
TLSH T143052290F0E8C660CCBFD972BBBC70E863BC53257261CA6C59FD628DE961B06C561643
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)
File icon (PE):PE icon
dhash icon 8200828086860000 (9 x AgentTesla, 5 x SnakeKeylogger, 4 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 700125-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-02-10 06:38:46 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
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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)
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 signatures2 2 Behavior Graph ID: 803693 Sample: PO 700125-pdf-.exe Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 10 other signatures 2->77 10 PO 700125-pdf-.exe 7 2->10         started        14 CBfbXJ.exe 5 2->14         started        process3 dnsIp4 47 C:\Users\user\AppData\Roaming\CBfbXJ.exe, PE32 10->47 dropped 49 C:\Users\user\...\CBfbXJ.exe:Zone.Identifier, ASCII 10->49 dropped 51 C:\Users\user\AppData\Local\...\tmp5F85.tmp, XML 10->51 dropped 53 C:\Users\user\...\PO 700125-pdf-.exe.log, ASCII 10->53 dropped 85 Adds a directory exclusion to Windows Defender 10->85 87 Injects a PE file into a foreign processes 10->87 17 PO 700125-pdf-.exe 10->17         started        20 powershell.exe 21 10->20         started        22 schtasks.exe 1 10->22         started        61 192.168.2.1 unknown unknown 14->61 89 Multi AV Scanner detection for dropped file 14->89 91 Tries to detect virtualization through RDTSC time measurements 14->91 24 CBfbXJ.exe 14->24         started        26 schtasks.exe 1 14->26         started        file5 signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 28 explorer.exe 1 6 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 55 www.dupaxi.xyz 184.94.215.211, 49698, 80 VXCHNGE-NC01US United States 28->55 57 www.greecomfortt.com 185.53.179.171, 49700, 80 TEAMINTERNET-ASDE Germany 28->57 59 www.ecorpay.biz 75.2.115.196, 49699, 80 AMAZON-02US United States 28->59 93 System process connects to network (likely due to code injection or exploit) 28->93 95 Performs DNS queries to domains with low reputation 28->95 38 cmmon32.exe 28->38         started        41 explorer.exe 28->41         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 38->79 81 Maps a DLL or memory area into another process 38->81 83 Tries to detect virtualization through RDTSC time measurements 38->83 43 cmd.exe 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-06 08:50:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a09e 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
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
SH256 hash:
f38f286315803bd79f52b5397ad96c4bca359c20950c293ec51665518bc78438
MD5 hash:
b74928bdd599d2c73eb93df6d3e0a6cd
SHA1 hash:
5195917dd96330f3bbd52864bf468f6af97a294e
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
SH256 hash:
d19a01f1752ec334a80e21ec7845e7a1aba6bc2b0105a4122c9d44e07dbe5b27
MD5 hash:
addd06440e41aaac84eab4ce8f9da004
SHA1 hash:
42ac310802c771f0ab03db45b0389fdd80997e22
SH256 hash:
5d6ee1d23abdfa6e4d9765c2280ac2e89b0e1adadbaf2cf4ecff295affaf9b50
MD5 hash:
2e3c5750cb6d58a180d349537943a536
SHA1 hash:
22dac2ae92f27423cbe92939d03e91f04387f24c
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: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

Formbook

Executable exe 5d6ee1d23abdfa6e4d9765c2280ac2e89b0e1adadbaf2cf4ecff295affaf9b50

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments