MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0b819044a3bd7d24e2adfcf4fbed1f6ba6ca0a93fe29b6abf5f6dfe5279b8c7. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0b819044a3bd7d24e2adfcf4fbed1f6ba6ca0a93fe29b6abf5f6dfe5279b8c7
SHA3-384 hash: 3f40178b46849d5469db964891a7abcb33fbc89a4ba2a44b68f4a0c89c9af6fb990723434967044e7e600c54fd5a9414
SHA1 hash: d4244ada046ba85cefa8972956b5f3ea2da4361d
MD5 hash: 9cd599d658049708fe88c0fc63256216
humanhash: carolina-ohio-whiskey-coffee
File name:DHL_29028263 documento de recibo de la compra,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'039'872 bytes
First seen:2022-05-24 18:47:43 UTC
Last seen:2022-05-24 19:57:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:svWbrBf1ZgAoQHX2v7Ho+sZSlgo4WI83sLpV1XsfU6+qXZz0SMRGHAiVYvQ4pf:s+brBfYXo+sIlgNBV1Xj6+qiRiVWQi
TLSH T17D25E430255D8515EF6E3A3AC3AEA6CC01B59DA79E27C50D39C723C7D920E03B99731A
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon e884030dcedeb4e8 (52 x AgentTesla, 20 x Loki, 6 x Formbook)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_29028263 documento de recibo de la compra,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-24 22:06:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fcc58ec0-1e6e-40f9-83fd-fb1242df0466

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/274237/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628d2871370bb1455cc37906/reports/80c5930b-2c0b-4a6a-b1ed-45cb86aebbe8/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3ab22c20-bcae-407f-89cf-13982469ac70
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001126
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 633619 Sample: DHL_29028263 documento de r... Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 34 www.southtm.com 2->34 36 www.ff4cn15ck.xyz 2->36 38 2 other IPs or domains 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 10 other signatures 2->48 11 DHL_29028263 documento de recibo de la compra,pdf.exe 1 2->11         started        signatures3 process4 file5 28 DHL_29028263 docum... compra,pdf.exe.log, ASCII 11->28 dropped 14 raserver.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.trancendentalastroshop.store 64.98.145.30, 49801, 80 TUCOWS-3CA Canada 17->30 32 www.jagapps.tech 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f0b819044a3bd7d24e2adfcf4fbed1f6ba6ca0a93fe29b6abf5f6dfe5279b8c7/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 18:48:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6c4bsbckhpl5etrk37hu7pwr625gzifjh7rjw2v7l5w74utzxddq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata
Link:
https://tria.ge/reports/220524-xfr4lshegq/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f0b819044a3bd7d24e2adfcf4fbed1f6ba6ca0a93fe29b6abf5f6dfe5279b8c7
MD5 hash:
9cd599d658049708fe88c0fc63256216
SHA1 hash:
d4244ada046ba85cefa8972956b5f3ea2da4361d
Link:
https://www.unpac.me/results/6e34010e-be5b-4090-922d-a5f7841046ec/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/f0b819044a3bd7d24e2adfcf4fbed1f6ba6ca0a93fe29b6abf5f6dfe5279b8c7

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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 f0b819044a3bd7d24e2adfcf4fbed1f6ba6ca0a93fe29b6abf5f6dfe5279b8c7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/274237/

Comments