MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8
SHA3-384 hash: d3ff9a27132b42139b0e91d655bc33e67a4bf59ea5fa09605896c59cc54163abb11359b41c77caf008b52245fa740dc3
SHA1 hash: 7d7c53f24a2996b2be19a6be740a3ff27bc0bfcb
MD5 hash: 251059be9d81ed9e5dcef07d3da50410
humanhash: magnesium-lion-mike-island
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:297'019 bytes
First seen:2023-07-12 06:50:23 UTC
Last seen:2023-07-12 07:50:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6nBlQZtNfvjoaXOz+e5hljyV1DM6O2MxO5G0l7S8CYmMw4mli/mN:/YdjstNTOSeAK6O2Mx+G0FS8CZ/4kWK
Threatray 3'369 similar samples on MalwareBazaar
TLSH T18654124263A590D3D6520B369F3B5B3D7EECCC332876539B1B10A6147C600C2BE6E36A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-12 06:56:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ea04c17-3c99-4872-9e24-c65f10dbedcf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/416454/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.6153.20969.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/97239/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
82%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64ae4d5a58d62e49a2fcd82b/reports/713876f6-451a-4e0b-a19b-165625d749fa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9502050c-e2ba-4163-a935-b31fb4f00162
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1271529
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1271529 Sample: Invoice.exe Startdate: 12/07/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 6 other signatures 2->55 10 Invoice.exe 1 20 2->10         started        process3 file4 37 C:\Users\user\AppData\Roaming\...\bwgp.exe, PE32 10->37 dropped 39 C:\Users\user\AppData\Local\...\riroy.dll, PE32 10->39 dropped 73 Detected unpacking (changes PE section rights) 10->73 75 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->75 77 Maps a DLL or memory area into another process 10->77 14 Invoice.exe 10->14         started        signatures5 process6 signatures7 85 Maps a DLL or memory area into another process 14->85 87 Sample uses process hollowing technique 14->87 89 Queues an APC in another process (thread injection) 14->89 17 bwgp.exe 18 14->17         started        process8 file9 35 C:\Users\user\AppData\Local\...\riroy.dll, PE32 17->35 dropped 57 Multi AV Scanner detection for dropped file 17->57 59 Detected unpacking (changes PE section rights) 17->59 61 Machine Learning detection for dropped file 17->61 63 Maps a DLL or memory area into another process 17->63 21 cscript.exe 13 17->21         started        24 bwgp.exe 17->24         started        signatures10 process11 signatures12 65 Tries to steal Mail credentials (via file / registry access) 21->65 67 Tries to harvest and steal browser information (history, passwords, etc) 21->67 69 Modifies the context of a thread in another process (thread injection) 21->69 71 Maps a DLL or memory area into another process 21->71 26 explorer.exe 3 1 21->26 injected 30 bwgp.exe 18 21->30         started        process13 dnsIp14 43 www.vatevine.life 184.94.212.57, 49722, 49723, 49724 VXCHNGE-NC01US United States 26->43 45 www.fabiserves.click 193.23.55.18, 49738, 49739, 49740 VMAGE-ASRU unknown 26->45 47 16 other IPs or domains 26->47 79 System process connects to network (likely due to code injection or exploit) 26->79 81 Performs DNS queries to domains with low reputation 26->81 41 C:\Users\user\AppData\Local\...\riroy.dll, PE32 30->41 dropped 83 Maps a DLL or memory area into another process 30->83 33 bwgp.exe 30->33         started        file15 signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-12 06:29:19 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uggd3zlaz7udfaq4aftbsmmvh37epukqnfk7o6ooe5qfkcq2mpea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02ffa3a8856091ec637bfe8f4155eb49d3ede06df0cf2e83b828f5b27c983627
Formbook
2ac28f2913c6e2d231d0b67b49a3491f4046221a42ca349f586e0532ac257575
Formbook
572e8b2c173dc361f25400cbbba7a980cea2dcdf91e1245902f31d05387cec1f
Formbook
5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d
Formbook
61c6ffbcd2c7c685bf8e3f6181f28c0e5ffb915a382b5c5848ef71e13042b41d
Formbook
7df8d10ca657dbabf136cef185c4304862bf1a14afab532ad2708ab20789a825
Formbook
dcc1c76391ceaadb1c6db678ad4811153fa107318b505d642c729abd7fe8cf1e
Formbook
e4f9c1298c90f9ffbb03d200ffdad6dae09bd94e1a408a3ba6a1b671d567b2c1
Formbook
ec9d091c881ad4da6f5e77f947c2723b1aa374fbf373931871c767dfb9cabb0e
Formbook
+ 3'359 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230712-hmh2yscc62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
dd9a00fb4e7c4ea88478607e959d011effd1fc67c56a980fec7376e5f941e009
MD5 hash:
84a3652f18fe26b7428d3394a179c166
SHA1 hash:
b7cd8ef18f98f50f0bec226aeda9c73d59c7d30e
Link:
https://www.unpac.me/results/11cbbecf-fa73-44f2-a75b-3d7143acf1d2/
SH256 hash:
725f7c1cb88fbe4f20c377b88929c28cd50d7ace7ab02475138eb0c3e07495f9
MD5 hash:
4ec05ba605328450ecce61d190fe8869
SHA1 hash:
30f6ab43ab50109babbd52932043f4d914912935
Detections:
XLoader
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/11cbbecf-fa73-44f2-a75b-3d7143acf1d2/
Parent samples :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 hash:
c99c339f79a0f597a5857f9a65816b8b71d969a97cc6b873b130acad21161bd8
MD5 hash:
ff4677d24b759f36447bb9108e90cb46
SHA1 hash:
e08718dfdb2fb50893c513c60d4a44c34a06203e
Link:
https://www.unpac.me/results/11cbbecf-fa73-44f2-a75b-3d7143acf1d2/
SH256 hash:
a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8
MD5 hash:
251059be9d81ed9e5dcef07d3da50410
SHA1 hash:
7d7c53f24a2996b2be19a6be740a3ff27bc0bfcb
Link:
https://www.unpac.me/results/11cbbecf-fa73-44f2-a75b-3d7143acf1d2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a18c3de560cf/report/overview.html
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 97d82ef629cc257cd211526fff0f49793539ae95b72071d38c13721e603ae98e

Formbook

Executable exe a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 97d82ef629cc257cd211526fff0f49793539ae95b72071d38c13721e603ae98e
Cape
Cape
https://www.capesandbox.com/analysis/416454/
  
Dropped by
MD5 26a36c778e54aaa3dc01f256eb328fd1

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