MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607. 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 7 File information Comments
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SHA256 hash: 444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607
SHA3-384 hash: d91009694b3388bb15e6d03000711a56cff1659018972598fc549f026924189de6ea8a8d8fd8f95a2febdb70baf2e375
SHA1 hash: 402c46b6a8c89fdc97722e0f69d435ecc925fbf5
MD5 hash: 22c68111852892d5182f36cd593a04fb
humanhash: equal-arkansas-vegan-hotel
File name:JHJHDSKJSDKLSDKL.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:252'600 bytes
First seen:2022-06-15 12:23:37 UTC
Last seen:2022-06-15 14:59:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:H8zh6t2C39NL3FZsZ6fbP+uS72EZ+oU6rQTNE:6h6t2CtNrzsZ6w6sc6J
TLSH T14D3401523BE7A920E51E56729688450913F0C3D278A3E7272C5E727E9F413CE3B8C9C6
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/280168/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.12678.20481.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62a9cf678763ffd4adc8434d/reports/807a97be-92c0-4ba7-bec0-af76ac983ece/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af9eb7bc-4ab3-491c-992d-13530fa79b63
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013655
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646158 Sample: JHJHDSKJSDKLSDKL.exe Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 38 www.carbonsmartsystem.info 2->38 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 4 other signatures 2->52 11 JHJHDSKJSDKLSDKL.exe 1 2->11         started        signatures3 process4 file5 36 C:\Users\user\...\JHJHDSKJSDKLSDKL.exe.log, ASCII 11->36 dropped 66 Writes to foreign memory regions 11->66 68 Allocates memory in foreign processes 11->68 70 Injects a PE file into a foreign processes 11->70 72 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->72 15 cvtres.exe 11->15         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 2 other signatures 15->80 18 explorer.exe 15->18 injected process9 dnsIp10 40 www.heelsandkeels.net 64.98.145.30, 49790, 80 TUCOWS-3CA Canada 18->40 42 hktd21d.99aiji.net 59.149.248.139, 49789, 80 HKBN-AS-APHKBroadbandNetworkLtdHK Hong Kong 18->42 44 4 other IPs or domains 18->44 54 System process connects to network (likely due to code injection or exploit) 18->54 22 help.exe 1 12 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 56 Tries to steal Mail credentials (via file / registry access) 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 2 other signatures 22->62 27 cmd.exe 2 22->27         started        30 cmd.exe 1 22->30         started        process14 signatures15 64 Tries to harvest and steal browser information (history, passwords, etc) 27->64 32 conhost.exe 27->32         started        34 conhost.exe 30->34         started        process16
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 12:06:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 40 (47.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=irdylirjvve2sxhdvshawhqeqx5x3ttw2uqtge4xoawn7lteqydq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:k0dn loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220615-pk2jvahfd2/
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
eb1bc8ce5d20bc63003be8e9bf7a01185040f631e988f2574346936542fb0b08
MD5 hash:
4fbadbe3906d6d029a770616e042a91b
SHA1 hash:
e28889864400b184a9e11c4e365899e2d9f0c7f2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b332946a-1eaf-4755-b97c-ec706c7493eb/
Parent samples :
444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607
63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93
6f953b35fe9f1aa984e06446bc6353ecf594c6dbe11e7b07be43bd6e0eb8ad9a
0fcd6e9b28b7605ca9775462603f308e1a598528ff0674e297d66253619f42f4
1623f32f1937aa2290ac5c0cd3c132be192d4fad1782768bf1b705272e245ca5
abaea9c3b27ce7b16be954313ac278a2858afdec6e8baa408e6a6944e30ee4a0
SH256 hash:
cd7c9998ac546b5043d1c8cbc057553596e13cafaf0b6c94384e0fa46ae5e9a0
MD5 hash:
bc6c5ea124cb3a076e31d7f6adb6c6ff
SHA1 hash:
872c1d036502d93e2f3701f4bef6f4d825eb4226
Link:
https://www.unpac.me/results/b332946a-1eaf-4755-b97c-ec706c7493eb/
SH256 hash:
444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607
MD5 hash:
22c68111852892d5182f36cd593a04fb
SHA1 hash:
402c46b6a8c89fdc97722e0f69d435ecc925fbf5
Link:
https://www.unpac.me/results/b332946a-1eaf-4755-b97c-ec706c7493eb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/444785a229ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AlphaCrypt
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:NETDIC208_NOCEX
Create hunting rule
Rule name:NETDIC208_NOCEX_NOREACTOR
Create hunting rule
Rule name:NETDIC_208
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/280168/

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