MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a29af58a3927ea2351cd47fc63cba2d51f1405ab931a9b4ce3679a455836da35. 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 2 File information Comments

SHA256 hash: a29af58a3927ea2351cd47fc63cba2d51f1405ab931a9b4ce3679a455836da35
SHA3-384 hash: 572fec332d1ce1fd79f3cfbd2319c755372c45baf85700cf6432afec6e85b53a129abdc61c4844355d9ddd4242e67edb
SHA1 hash: dc912b2a698a209895e9bad2be20f475b1ea8bf3
MD5 hash: d16cb774d45fa06477106c21585166ba
humanhash: mockingbird-wisconsin-xray-ten
File name:d16cb774d45fa06477106c21585166ba.exe
Download: download sample
Signature Formbook
File size:754'688 bytes
First seen:2022-12-23 05:52:17 UTC
Last seen:2022-12-23 07:28:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:KbPnf+mDXttarruVBDUJvnVhd64xCnLSenBtW2mI0JR4xm3V5CjajEYN0H8c+9ek:SPGDCnTnB/m1/F5CjAfN0H80
TLSH T13BF4AD073388305CE473883A959B3F849420EA5FAA87EF5E0123DD37F9D91D69E84D96
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation order possibility 2022.doc
Verdict:
Malicious activity
Analysis date:
2022-12-23 04:31:59 UTC
Tags:
loader exploit cve-2017-11882 formbook xloader trojan stealer

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 772596 Sample: nDfwKNOpvm.exe Startdate: 23/12/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Sigma detected: Steal Google chrome login data 2->49 51 6 other signatures 2->51 10 nDfwKNOpvm.exe 3 2->10         started        process3 file4 39 C:\Users\user\AppData\...\nDfwKNOpvm.exe.log, ASCII 10->39 dropped 63 Detected unpacking (changes PE section rights) 10->63 65 Detected unpacking (overwrites its own PE header) 10->65 67 Tries to detect virtualization through RDTSC time measurements 10->67 14 nDfwKNOpvm.exe 10->14         started        17 nDfwKNOpvm.exe 10->17         started        19 nDfwKNOpvm.exe 10->19         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 Queues an APC in another process (thread injection) 14->75 21 explorer.exe 14->21 injected process8 dnsIp9 43 www.instagramservice.shop 21->43 53 System process connects to network (likely due to code injection or exploit) 21->53 25 systray.exe 18 21->25         started        signatures10 process11 file12 35 C:\Users\user\AppData\...\7P4logrv.ini, data 25->35 dropped 37 C:\Users\user\AppData\...\7P4logri.ini, data 25->37 dropped 55 Detected FormBook malware 25->55 57 Tries to steal Mail credentials (via file / registry access) 25->57 59 Tries to harvest and steal browser information (history, passwords, etc) 25->59 61 3 other signatures 25->61 29 cmd.exe 2 25->29         started        signatures13 process14 file15 41 C:\Users\user\AppData\Local\Temp\DB1, SQLite 29->41 dropped 77 Tries to harvest and steal browser information (history, passwords, etc) 29->77 33 conhost.exe 29->33         started        signatures16 process17
Threat name:
Win32.Trojan.Swotter
Status:
Malicious
First seen:
2022-12-23 05:53:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b47h rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
SH256 hash:
adb4a1fdcb341aa06678587b96036e72c9bfaf72c498e0aec5f4b9ea848175c2
MD5 hash:
6fd87267e04bebba0b6a9bb4e0b784f4
SHA1 hash:
b08806296ead7f82c167117099aa52ece127145c
SH256 hash:
9bb59b560d014f21a5992611fa92f7d238464bc68f3e4f0a10d4c42ddd3a3d40
MD5 hash:
400cf27eb932a4e616c49240cb20e263
SHA1 hash:
7b9f61e3be373584557270b66080a66060f81001
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
a29af58a3927ea2351cd47fc63cba2d51f1405ab931a9b4ce3679a455836da35
MD5 hash:
d16cb774d45fa06477106c21585166ba
SHA1 hash:
dc912b2a698a209895e9bad2be20f475b1ea8bf3
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.

Web download

Formbook

Executable exe a29af58a3927ea2351cd47fc63cba2d51f1405ab931a9b4ce3679a455836da35

(this sample)

  
Delivery method
Distributed via web download

Comments