MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79
SHA3-384 hash: 241cd14d6481d16274f4fef6ead7b2c78e4d109c9d4f5d09c74f1b9951c3e5da54802e3b8a301e290e1597580f3f7476
SHA1 hash: db1d6671218a7507f2e825373bd106eadff3bbdc
MD5 hash: 58fab597da379e1c22ff2937c33f67c7
humanhash: oxygen-cola-summer-thirteen
File name:신규 주문의 건(ORDER NO.20230311-003).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:559'104 bytes
First seen:2023-04-12 12:51:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:v8+zuZPwQjFA7pD7kBXuuWJ5P9YzNLf2P6uTnu9E66Y7AsV:vKwQjWD7kaFYzNSP66nu9E6XA
Threatray 2'637 similar samples on MalwareBazaar
TLSH T15AC4122E4776DB81F50C2B7414144D062678D244E1A5EE2898A377B7CBFFFE460A93E2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
신규 주문의 건(ORDER NO.20230311-003).exe
Verdict:
Malicious activity
Analysis date:
2023-04-12 12:58:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f108f69e-2549-4826-8215-4c48365aba25

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/381795/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed remcos
Link:
https://www.filescan.io/uploads/6436a975dc56f4848360749d/reports/9483786f-357a-4d36-bf2e-06d0c538bcd7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/47179170-8f6d-4ac1-a15e-e464e8db75e9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1212657
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 845573 Sample: #Uc2e0#Uaddc_#Uc8fc#Ubb38#U... Startdate: 12/04/2023 Architecture: WINDOWS Score: 100 53 www.jazxes.online 2->53 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 5 other signatures 2->67 9 FzSHJpZvGRzQ.exe 5 2->9         started        12 #Uc2e0#Uaddc_#Uc8fc#Ubb38#Uc758_#Uac74(ORDER_NO.20230311-003).exe 7 2->12         started        signatures3 process4 file5 69 Multi AV Scanner detection for dropped file 9->69 71 Machine Learning detection for dropped file 9->71 73 Injects a PE file into a foreign processes 9->73 15 FzSHJpZvGRzQ.exe 9->15         started        18 schtasks.exe 1 9->18         started        20 FzSHJpZvGRzQ.exe 9->20         started        45 C:\Users\user\AppData\...\FzSHJpZvGRzQ.exe, PE32 12->45 dropped 47 C:\Users\...\FzSHJpZvGRzQ.exe:Zone.Identifier, ASCII 12->47 dropped 49 C:\Users\user\AppData\Local\...\tmp3DF0.tmp, XML 12->49 dropped 51 #Uc2e0#Uaddc_#Uc8f...230311-003).exe.log, ASCII 12->51 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 12->75 77 Adds a directory exclusion to Windows Defender 12->77 22 powershell.exe 19 12->22         started        24 powershell.exe 21 12->24         started        26 schtasks.exe 1 12->26         started        28 #Uc2e0#Uaddc_#Uc8fc#Ubb38#Uc758_#Uac74(ORDER_NO.20230311-003).exe 12->28         started        signatures6 process7 signatures8 87 Modifies the context of a thread in another process (thread injection) 15->87 89 Maps a DLL or memory area into another process 15->89 91 Sample uses process hollowing technique 15->91 93 Queues an APC in another process (thread injection) 15->93 30 explorer.exe 15->30 injected 34 conhost.exe 18->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        process9 dnsIp10 55 www.xn--e1agleejmg.xn--p1ai 92.53.96.222, 49702, 49703, 49704 TIMEWEB-ASRU Russian Federation 30->55 57 www.roofing-services-jp.click 199.59.243.223, 49701, 80 BODIS-NJUS United States 30->57 59 4 other IPs or domains 30->59 95 System process connects to network (likely due to code injection or exploit) 30->95 42 mstsc.exe 30->42         started        signatures11 process12 signatures13 79 Tries to steal Mail credentials (via file / registry access) 42->79 81 Tries to harvest and steal browser information (history, passwords, etc) 42->81 83 Modifies the context of a thread in another process (thread injection) 42->83 85 Maps a DLL or memory area into another process 42->85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-11 19:27:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjposimudosvzudjuux4svzsw6huyqykfarwyo6xkkwdkdsp7j4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2358f255cb8390a108fca6934209b56e8f72eb08dbb3708431c449fffe8338e5
Formbook
281905755d85f44072ff82b42789ad01d144ef1ed016cba569bcb73d3e98ee49
Formbook
326165a2f6e94ec16dfcead4602ded488925b4d4bd32b04458bf2416cdf9b93a
Formbook
3ff8da989c0463e0eca88964ea38876e1b9e1e3dfe7cbab96297feadff54713b
Formbook
42f025f744bb97509425ac749ada6c20ef6439d193e537a013b981ad4d21e124
Formbook
830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e
Formbook
8e067a63005c0cb62a0db614acafc9e1964bfd5520c13075d04879fb2aa90451
Formbook
9518bbb8733188879069262811a90b041d800479edbb1b0be4a7526deb47bbed
Formbook
a0e5c335f0f479fec56a0e214fe7657e8d9b6f77cf5db53280ec1033c1dd2693
Formbook
d5fc5fba51a492858f45d0f86b010ac6ab2bc68be94fc2c8a776b7eaf3acaac3
Formbook
+ 2'627 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230412-p3284adg8s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
914db53b4be9e469fbe9e94f95b4c1ed88df4025dc0d2641259bdcad110477c4
MD5 hash:
a732f3d55b1fc0e0b319d31829cd657f
SHA1 hash:
73373a6da128009ffee44a2d5cd0597439cb08ce
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/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
Parent samples :
df6b6e0bb2608090041418454eeb4966932d5c34ec50ab3d44e5b57a4e44c3a0
c4be26f16b500a69a26c344c7840ac5aee9fa4f32cca050924a848019ed29bbd
0a3fb57d9fdcf594a55f48fe4853fc37ae7c05d15d710cc902a23b5cccf6c377
4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79
SH256 hash:
48ef4cbc1eb08b441aadc5b48bf8f771a21266dbe15bff565f3cf2cbabb88c23
MD5 hash:
f658a00606e144bf215929b3118761b9
SHA1 hash:
58c7098fdce103c098179a71c7ee7594ed50a480
Link:
https://www.unpac.me/results/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
SH256 hash:
e03f31393762123108cdd9ef680b7943dda1ed535464813775abd296cfc332a0
MD5 hash:
20a8ca0a5a6d2136d537407e0325a154
SHA1 hash:
daae2fc079df53265cd3757715d5e6e93de1d5de
Link:
https://www.unpac.me/results/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
SH256 hash:
eedb8a5612eb2fe5b670c0147908733235ac1f297a61c58c11bb8a859de87a88
MD5 hash:
b33aecc0d9ffe7d22432afa44ff65113
SHA1 hash:
c92d65bf90723bfc9769b6a5c77fa4ff266a6836
Link:
https://www.unpac.me/results/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
SH256 hash:
6413c60502ba771163bb96527a5b8fdf5d765cd19f89bca13c6442bbd8bdb4bd
MD5 hash:
d52609f7faa0c91840a49a848a476000
SHA1 hash:
268d289f07cd7f58d0c4db7d785fa350a3ed431a
Link:
https://www.unpac.me/results/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
SH256 hash:
4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79
MD5 hash:
58fab597da379e1c22ff2937c33f67c7
SHA1 hash:
db1d6671218a7507f2e825373bd106eadff3bbdc
Link:
https://www.unpac.me/results/24f0f3da-e934-4d10-bb93-4a4e1f3fecf9/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a5ee921941b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381795/

Comments