MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1824fe41b4fb79b857d2a94537bae3a91a6056378f5aa1e59255ab3bbe7b21e. 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: f1824fe41b4fb79b857d2a94537bae3a91a6056378f5aa1e59255ab3bbe7b21e
SHA3-384 hash: d2a60a7d725eaefb3a6bea1df23b2070fdbd9910d18331913df27b82dd2d97f0e22673b32072841bcd2f6edb2f9ca9bf
SHA1 hash: c50509ee09ec02612699fc836828d55519110c18
MD5 hash: 1c24e4c25fc4f7fa330c3ab028b9bbb5
humanhash: nuts-wyoming-item-ink
File name:1c24e4c25fc4f7fa330c3ab028b9bbb5.exe
Download: download sample
Signature Formbook
File size:769'536 bytes
First seen:2022-12-20 09:43:32 UTC
Last seen:2022-12-20 11:32:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:UeNB/IIx+cuNLF2K1HVWmFffg5WRO1oTznmbhM2g3g43XR8:UqI2+rNL5nFJiWEiTznmb3g3R3XR8
TLSH T1D3F48D0231F2A4A3F5C714765121BACC2C3D7213E6E1E25B69753E9962028BBFBD4F52
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 abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation order possibility 2022.doc
Verdict:
Malicious activity
Analysis date:
2022-12-20 09:35:25 UTC
Tags:
exploit cve-2017-11882 loader 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
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Gathering data
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 770541 Sample: onLXH5T0TF.exe Startdate: 20/12/2022 Architecture: WINDOWS Score: 100 40 www.uswhafall22.link 2->40 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 8 other signatures 2->52 11 onLXH5T0TF.exe 3 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\onLXH5T0TF.exe.log, ASCII 11->38 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 15 onLXH5T0TF.exe 11->15         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 18 explorer.exe 15->18 injected process9 dnsIp10 42 oemhw.meiticaigou.cn 119.8.238.245, 49721, 49722, 80 HWCLOUDS-AS-APHUAWEICLOUDSHK Singapore 18->42 44 www.hubeipugongying.top 18->44 54 System process connects to network (likely due to code injection or exploit) 18->54 56 Uses ipconfig to lookup or modify the Windows network settings 18->56 22 ipconfig.exe 18 18->22         started        signatures11 process12 file13 32 C:\Users\user\AppData\...\7P4logrv.ini, data 22->32 dropped 34 C:\Users\user\AppData\...\7P4logri.ini, data 22->34 dropped 58 Detected FormBook malware 22->58 60 Tries to steal Mail credentials (via file / registry access) 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 64 3 other signatures 22->64 26 cmd.exe 2 22->26         started        signatures14 process15 file16 36 C:\Users\user\AppData\Local\Temp\DB1, SQLite 26->36 dropped 66 Tries to harvest and steal browser information (history, passwords, etc) 26->66 30 conhost.exe 26->30         started        signatures17 process18
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-20 09:44:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
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:b47h rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
SH256 hash:
aa1413a8133e02fac0958d976d6673b79718cb9788d3fdde95f18a62714135f7
MD5 hash:
4ecdc3d7e0ad031870a14235c843a9b1
SHA1 hash:
66c55aa1ffa0d70c0cca13f4856b0585fa6b8626
SH256 hash:
f381e231ef6c38f80c26418bac36c0ffd4c42b6c66e3a0970e518a4ce3bbc611
MD5 hash:
6f40b57405f55e0e2d8feaf2769ea1cb
SHA1 hash:
2fe7657c1c9b6ce5f4113c3ec964a37d479deffe
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
f1824fe41b4fb79b857d2a94537bae3a91a6056378f5aa1e59255ab3bbe7b21e
MD5 hash:
1c24e4c25fc4f7fa330c3ab028b9bbb5
SHA1 hash:
c50509ee09ec02612699fc836828d55519110c18
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 f1824fe41b4fb79b857d2a94537bae3a91a6056378f5aa1e59255ab3bbe7b21e

(this sample)

  
Delivery method
Distributed via web download

Comments