MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 129f2604f1e1718d464a01fcd1c76e845e784d783fed333642b77e231f121ef3. 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 4 File information Comments

SHA256 hash: 129f2604f1e1718d464a01fcd1c76e845e784d783fed333642b77e231f121ef3
SHA3-384 hash: e260087f2b5a2b01e2cb07144b572610a82431e740364a6c607fe0554280818bd93896281171c91ea5fef62762ccb984
SHA1 hash: 63393ef816336b47af8d9490100cf335c8d60997
MD5 hash: b94e95ba33a76a3f5fd8e123d9d8f4b7
humanhash: fifteen-august-shade-fix
File name:REF344266679_pdf.exe
Download: download sample
Signature Formbook
File size:231'677 bytes
First seen:2022-10-25 03:37:51 UTC
Last seen:2022-10-25 23:52:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:qweEpFbv7aGAwgdX7Dk4z0HZ13Kdx/lMeydbH:bFb1PiX3nz0HvseD
TLSH T1AA34127622F0C8BFDD9741B29C37E226C3B255141125AA4FCBF4AF2B3A367979021381
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
REF344266679_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-25 03:41:00 UTC
Tags:
formbook trojan stealer

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 process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
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.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 729835 Sample: REF344266679_pdf.exe Startdate: 25/10/2022 Architecture: WINDOWS Score: 100 33 www.succes-digitalmlm.com 2->33 35 succes-digitalmlm.com 2->35 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected FormBook 2->55 57 3 other signatures 2->57 10 REF344266679_pdf.exe 18 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\hqiyzna.exe, PE32 10->31 dropped 13 hqiyzna.exe 1 10->13         started        process6 signatures7 69 Multi AV Scanner detection for dropped file 13->69 71 Machine Learning detection for dropped file 13->71 73 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->73 75 Maps a DLL or memory area into another process 13->75 16 hqiyzna.exe 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 43 Modifies the context of a thread in another process (thread injection) 16->43 45 Maps a DLL or memory area into another process 16->45 47 Sample uses process hollowing technique 16->47 49 Queues an APC in another process (thread injection) 16->49 21 chkdsk.exe 13 16->21         started        24 explorer.exe 16->24 injected 27 autochk.exe 16->27         started        process10 dnsIp11 59 Tries to steal Mail credentials (via file / registry access) 21->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 63 Modifies the context of a thread in another process (thread injection) 21->63 65 Maps a DLL or memory area into another process 21->65 37 www.rcquad.com 156.254.147.131, 49697, 49698, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 24->37 39 td-ccm-168-233.wixdns.net 34.117.168.233, 49696, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 24->39 41 4 other IPs or domains 24->41 67 System process connects to network (likely due to code injection or exploit) 24->67 29 autochk.exe 24->29         started        signatures12 process13
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-10-24 09:20:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:axe3 rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
de11a456c948ba4282c7add9fb49e2a9ecc30dd91594298c63472b795c120d8b
MD5 hash:
57d646cb8f88dc43e80bef7392c6d1d5
SHA1 hash:
c0072144218ce3cd497c5c7515c3eabd8837b703
SH256 hash:
c50553b262fcae812720a5cfb9b1646eabfcc88d4658e3cfcb78c3d33539c23b
MD5 hash:
d9bea4251a1a7b4748a95b84876dc615
SHA1 hash:
3482d2f3cde595c22ef743568053d0720b8180f4
SH256 hash:
129f2604f1e1718d464a01fcd1c76e845e784d783fed333642b77e231f121ef3
MD5 hash:
b94e95ba33a76a3f5fd8e123d9d8f4b7
SHA1 hash:
63393ef816336b47af8d9490100cf335c8d60997
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 129f2604f1e1718d464a01fcd1c76e845e784d783fed333642b77e231f121ef3

(this sample)

Comments