MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab
SHA3-384 hash: e26c7d541527df3412cb7cef5effcd26bc9cbd6d8e9da8278c1226a9d26f8c376a41b6b60070c0a8a1aa97d4debf978b
SHA1 hash: 5ac0bee1956d264b88baff846ccbc7360ceb9291
MD5 hash: 304982562295bef516f43831130c84a2
humanhash: vermont-april-idaho-spring
File name:INVOICE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:378'690 bytes
First seen:2023-07-04 05:49:55 UTC
Last seen:2023-07-10 10:09:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6lk/PHuX3HoRnK1bwQcynCvbneGLtiauZx1AODRvGIz0LVxe:/Y/kHH+3H2K1cSnC3AwODRHz0Vxe
Threatray 3'228 similar samples on MalwareBazaar
TLSH T11C8423156794E0BFF43307731E7BCFA7AB5D7E7258A8560B1B345E1E32986809A09323
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
287
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-04 05:51:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/23c72a81-f6e5-40f4-b680-eeb3c9ed94bf

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/406260/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.24811.29383.19156.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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/95460/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64a3b30b2299d2688264949e/reports/9eca5621-3809-4e69-8b0b-8774f83160b1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab
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/04dddfa6-b95f-4400-88fb-044d583ae482
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266361
Signature
Antivirus detection for URL or domain
Deletes itself after installation
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 dnsIp2 2 Behavior Graph ID: 1266361 Sample: INVOICE.exe Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 42 www.2584.wtf 2->42 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 6 other signatures 2->62 10 INVOICE.exe 1 21 2->10         started        14 enwsc.exe 19 2->14         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\...\enwsc.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\biojjz.dll, PE32 10->38 dropped 80 Detected unpacking (changes PE section rights) 10->80 82 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->82 84 Maps a DLL or memory area into another process 10->84 16 INVOICE.exe 10->16         started        40 C:\Users\user\AppData\Local\...\biojjz.dll, PE32 14->40 dropped 19 enwsc.exe 14->19         started        signatures6 process7 signatures8 50 Maps a DLL or memory area into another process 16->50 52 Sample uses process hollowing technique 16->52 54 Queues an APC in another process (thread injection) 16->54 21 enwsc.exe 19 16->21         started        process9 file10 34 C:\Users\user\AppData\Local\...\biojjz.dll, PE32 21->34 dropped 64 Multi AV Scanner detection for dropped file 21->64 66 Detected unpacking (changes PE section rights) 21->66 68 Machine Learning detection for dropped file 21->68 70 Maps a DLL or memory area into another process 21->70 25 chkdsk.exe 13 21->25         started        28 enwsc.exe 21->28         started        signatures11 process12 signatures13 72 Tries to steal Mail credentials (via file / registry access) 25->72 74 Tries to harvest and steal browser information (history, passwords, etc) 25->74 76 Deletes itself after installation 25->76 78 2 other signatures 25->78 30 explorer.exe 3 1 25->30 injected process14 dnsIp15 44 al-shaam-wings-cargo.com 50.87.253.74, 49697, 49698, 49699 UNIFIEDLAYER-AS-1US United States 30->44 46 www.donghua.sbs 170.178.188.235, 49705, 49706, 49707 ST-BGPUS United States 30->46 48 11 other IPs or domains 30->48 86 System process connects to network (likely due to code injection or exploit) 30->86 88 Performs DNS queries to domains with low reputation 30->88 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-04 03:39:01 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z2k37fyifiujlkklhxoshwmqn5aqdpd4x3nuxtz5bwvzj2buvkvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c
Formbook
2c412d963b9d1020bea10e91d8aa14a58b950e3b85c1dbc13be4301c468bd644
Formbook
6769905302dd965b16c74da2c0a5633dd4cbfe5c8879a5db6a7322d53d668533
Formbook
80c6293d18c38b686ea6ab60d134247f8d72553be2d20a305b94c78115227667
Formbook
a714e41091a1a9b5c1a5d5dde50ab30d9ba44655ff38e4a99e69d2e6118f63a9
Formbook
ad8413339b31fc3d1dced5bea0a98a95dcc5751108b4cf1553cf040c4a2159b9
Formbook
b45f9e29351506203a4101b1559e928ec3de39850008d82598b8ce1c3a7a13c3
Formbook
bbce59cd09b98759f1e8de287441906c11a8698581e9a84e302626e48abc7c38
Formbook
d53929503f5d9632f215cf24983b0b2700f10db634265bcefe2cd8fa4efaf2f7
Formbook
e57990a97315ade20a7437d5c666851134167d95aa5b72c02cdb299a7202fa62
Formbook
+ 3'218 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230704-gjkwpscg3y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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:
ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab
MD5 hash:
304982562295bef516f43831130c84a2
SHA1 hash:
5ac0bee1956d264b88baff846ccbc7360ceb9291
Link:
https://www.unpac.me/results/3ac4f5e9-f8cd-45e1-a419-d6700a29bcbd/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ce95bf97082a/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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/406260/

Comments