MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6645061d744760f8f85692273d06946478e3f804f4f972a74a1764daece8b4e. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c6645061d744760f8f85692273d06946478e3f804f4f972a74a1764daece8b4e
SHA3-384 hash: 1b9284dd831a66da262cbc2dd180781286341fbd7534ab544cd54a04718a5b30d2a90b5da413a687aa4e8194cfc42a71
SHA1 hash: 5aa207cac0d7812a41086c8b3267e55b7f275053
MD5 hash: e6e3d50ceb12663e01d4abf89cb62318
humanhash: lima-sodium-snake-football
File name:e6e3d50ceb12663e01d4abf89cb62318
Download: download sample
Signature Formbook
Create hunting rule
File size:365'627 bytes
First seen:2023-03-23 10:14:53 UTC
Last seen:2023-03-23 11:29:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:JYa6eeJGlSd2oo2OaNnpFipDDZkAnFCoxr6FKswGNm2N2rSfto+dGpbQWu8:JYgyKc2oJrmVnpSKup0mlcpbX
Threatray 2'506 similar samples on MalwareBazaar
TLSH T10374129233B6C07FE6A70971097ADF620A9BDD372195934F33E12A063CB1182C92E775
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 d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e6e3d50ceb12663e01d4abf89cb62318
Verdict:
Malicious activity
Analysis date:
2023-03-23 10:17:44 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/202c7d34-5b94-4131-b4e6-511010cc7b49

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/376818/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.19342.25166.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Sending a custom TCP request
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74414/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook guloader nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/641c26a83b01ade53e70c6b1/reports/6ad4edbe-c986-4a67-8c64-3d994437457f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c6645061d744760f8f85692273d06946478e3f804f4f972a74a1764daece8b4e
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:
Unknown
Link:
https://analyze.intezer.com/analyses/bba22e8f-97fe-4535-b45c-bc7d0bae9631
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200251
Signature
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
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: 833161 Sample: TjYqZ4yddX.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected FormBook 2->43 9 TjYqZ4yddX.exe 19 2->9         started        process3 file4 29 C:\Users\user\AppData\Local\Temp\oaeev.exe, PE32 9->29 dropped 12 oaeev.exe 1 9->12         started        process5 signatures6 57 Detected unpacking (changes PE section rights) 12->57 59 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->59 61 Maps a DLL or memory area into another process 12->61 15 oaeev.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 3 6 15->20 injected process9 dnsIp10 31 www.thuorig.life 184.94.212.57, 49720, 49721, 49722 VXCHNGE-NC01US United States 20->31 33 yourbestversioneua.com 108.179.252.69, 49717, 49718, 49719 UNIFIEDLAYER-AS-1US United States 20->33 35 9 other IPs or domains 20->35 45 System process connects to network (likely due to code injection or exploit) 20->45 47 Performs DNS queries to domains with low reputation 20->47 24 msdt.exe 13 20->24         started        27 autoconv.exe 20->27         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 24->49 51 Tries to harvest and steal browser information (history, passwords, etc) 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c6645061d744760f8f85692273d06946478e3f804f4f972a74a1764daece8b4e/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-03-23 10:52:41 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzsfayoxir3a7d4fnerhhudjizdy4p4aj5hzoktuuf3e3lwornha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
31d4fa7c04a77660000eeecf8f66e38d6108f460ea7b539744d7bf9216266a50
Formbook
4f76bfa847aeed38e192479d3adf23d57076fadc4db0ca782421fcae81fd918e
Formbook
50491f2b6ccfe301b5bd0d8ffe8e82a524a251c076856684deb7c3c6fa85d238
Formbook
8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a
Formbook
9ada0ca121fe2b402b0da1728cd9f1fbb36d61a62fd40bbe8428756c329e04e8
Formbook
bf71631457bec8633d10c816bfa914ef51bee4acda9a37c2613697976a21decb
Formbook
c03d796c8b75c36e92aa53d1fb21d89fb0fc6aa57df540ca0074c43661a6cec0
Formbook
cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72
Formbook
f51bdb3c0026435904048abffb411be8b57143de59d0e66a3e2dfa3f2e5692ad
Formbook
+ 2'496 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230323-l98snseh88/
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
f12f4326539560e8b6ec5dae989bc9090565ae8e94777d6137055e303f82931b
MD5 hash:
20b54e655dbc42c87f606cbad918cd6e
SHA1 hash:
142caa926389acdb96607e3456ae80b81f1a86a4
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/a4306497-542b-4b66-b6d0-04a3ebf3d8ca/
Parent samples :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 hash:
474cad2073158b27d48c21a937f2db748993c19aede7e60d7d019e8d87a61c70
MD5 hash:
ef3599037621d0f4f9e2aa7559df2ff1
SHA1 hash:
1931d6a658f0d9cdb9f22ca34efe3c15979bbb5b
Link:
https://www.unpac.me/results/a4306497-542b-4b66-b6d0-04a3ebf3d8ca/
SH256 hash:
2fd6e4b978fc50cc2246ddf6ad0893ae491342102d5c2475ef10dc4b6472be76
MD5 hash:
78ac2083a1ae929c0b6e8520dbb68860
SHA1 hash:
fc31f26dc255aca0bcc33c01436f4a7116cb05f3
Link:
https://www.unpac.me/results/a4306497-542b-4b66-b6d0-04a3ebf3d8ca/
SH256 hash:
c6645061d744760f8f85692273d06946478e3f804f4f972a74a1764daece8b4e
MD5 hash:
e6e3d50ceb12663e01d4abf89cb62318
SHA1 hash:
5aa207cac0d7812a41086c8b3267e55b7f275053
Link:
https://www.unpac.me/results/a4306497-542b-4b66-b6d0-04a3ebf3d8ca/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c6645061d744/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.

Web download

Formbook

Executable exe c6645061d744760f8f85692273d06946478e3f804f4f972a74a1764daece8b4e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/376818/
  
URLhaus
https://urlhaus.abuse.ch/url/2581920/

Comments


Avatar
zbet commented on 2023-03-23 10:14:57 UTC

url : hxxp://103.170.255.109/M55190/vbc.exe