MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8eccfc9434bd36b26cdd63447cfc8fb186b7d6203cb373ce4f73b994fe19725b. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8eccfc9434bd36b26cdd63447cfc8fb186b7d6203cb373ce4f73b994fe19725b
SHA3-384 hash: 4b3a33c2a858522537fdab0283363453bf1316ae31af51a46641e840db6fb77008e22b3a1d7e4f3e9e319ee286dc0707
SHA1 hash: a00f86c372ce870178f72e8d4cb57f4a5c4ab219
MD5 hash: a06f465d5418c82a43d8c79ff03ecf59
humanhash: coffee-cola-william-three
File name:SecuriteInfo.com.Variant.MSILHeracles.26442.21427.11426
Download: download sample
Signature Formbook
Create hunting rule
File size:553'472 bytes
First seen:2022-06-05 11:51:26 UTC
Last seen:2022-06-06 07:34:41 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:mOygh3vgluewawJSW4Pdgyhsk3wgy2QpXpb0L:nygNglEawoak
TLSH T1D4C4020D77981B4FE77A9A390C94A485E7BA740FBD03FF479ECE92493832544B82216D
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
409
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.MSILHeracles.26442.21427.11426
Verdict:
Suspicious activity
Analysis date:
2022-06-05 11:54:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c99aad1f-28d3-4e8f-bc9b-21070c3b0243

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/276806/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.26442.21427.11426.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Searching for synchronization primitives
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/629c98c403ed6439d51562b5/reports/1cc3888e-0969-4f46-9cbb-a44b3dbda773/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc820398-0905-4ae9-b744-d25c706f9a0f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006928
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 639424 Sample: SecuriteInfo.com.Variant.MS... Startdate: 05/06/2022 Architecture: WINDOWS Score: 100 31 www.treeservicesanleandropros.com 2->31 33 treeservicesanleandropros.com 2->33 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 11 other signatures 2->45 11 SecuriteInfo.com.Variant.MSILHeracles.26442.21427.exe 1 2->11         started        signatures3 process4 file5 29 SecuriteInfo.com.V...26442.21427.exe.log, ASCII 11->29 dropped 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 Injects a PE file into a foreign processes 11->59 15 SettingSyncHost.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 vip.myshopline.shop 104.17.233.29, 49766, 80 CLOUDFLARENETUS United States 18->35 37 www.phashionlady.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8eccfc9434bd36b26cdd63447cfc8fb186b7d6203cb373ce4f73b994fe19725b/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-05 09:30:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r3gpzfbuxu3le3g5mnchz7epwgdlpvrahszxhtspoo4zj7qzojnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cf94 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220605-n1qa3sabd5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f2b05539d9ab515a7eb9bf273e9f5ff8c7da60909ac306e98a9e7722c745aaf2
MD5 hash:
3d5f7663bbf7a00ea4c44545aee5f9e4
SHA1 hash:
d9a1cfff3be689a325796fa368f779605e3d2da0
Link:
https://www.unpac.me/results/0cdf1747-7982-4587-bda3-98ccfed10823/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/0cdf1747-7982-4587-bda3-98ccfed10823/
SH256 hash:
8eccfc9434bd36b26cdd63447cfc8fb186b7d6203cb373ce4f73b994fe19725b
MD5 hash:
a06f465d5418c82a43d8c79ff03ecf59
SHA1 hash:
a00f86c372ce870178f72e8d4cb57f4a5c4ab219
Link:
https://www.unpac.me/results/0cdf1747-7982-4587-bda3-98ccfed10823/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8eccfc9434bd/report/overview.html
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/8eccfc9434bd36b26cdd63447cfc8fb186b7d6203cb373ce4f73b994fe19725b

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
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

rar b02afbdad6926a1dfb9f655af0003949e6abd3b8f81bca9b9cd01996930b3b0a

Formbook

Executable exe 8eccfc9434bd36b26cdd63447cfc8fb186b7d6203cb373ce4f73b994fe19725b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/276806/
  
Dropped by
SHA256 b02afbdad6926a1dfb9f655af0003949e6abd3b8f81bca9b9cd01996930b3b0a
  
Dropped by
MD5 cbff52a2ba4e88aa89d7a6f9e760be62

Comments