MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04ebda83a9530337b79f15e31315d1229cf4e74e5fee4d1347ed12d7b1126ebd. 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: 17


Intelligence 17 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04ebda83a9530337b79f15e31315d1229cf4e74e5fee4d1347ed12d7b1126ebd
SHA3-384 hash: 9286efee6eae7e6749f525810785a91d313c29b2ac4b0ab051fd44a9fbb94ec543da57303d8a78cac5cc0d653e4f6a86
SHA1 hash: f0f1320bfbf0aa8914fe846c4cd7f2794c512591
MD5 hash: 785b67884cb34fb57c15046ad6f1c935
humanhash: leopard-comet-cup-carbon
File name:new invoice.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:693'248 bytes
First seen:2022-09-21 22:53:33 UTC
Last seen:2022-09-23 09:11:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:bH62K21fT+sJ1SqgwB9PlIeibjgBmZX6i9fSQ/f1re7l90gm8z0c:ba231a61IwbeQSXz6Q/dglqg0
TLSH T13DE4F21936EACA12C1AD56B6D4E2443043B56983E332CB9B36CA13E509037EEDD9D7C7
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 86b2e8cccce8b286 (5 x SnakeKeylogger, 5 x Formbook, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
new invoice.scr
Verdict:
Malicious activity
Analysis date:
2022-09-21 23:15:11 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/64be11d6-72d4-4f5c-8131-d696bbfa87ea

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/312133/
Detection(s):
SecuriteInfo.com.Variant.Barys.324380.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
barys packed
Link:
https://www.filescan.io/uploads/632b964a12db32f02466a4f3/reports/9c7bbbb5-2ec5-4177-a6d5-c45cfe6325a2/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/671ccdf0-24ef-485d-9dd4-be709bcb9cb3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074914
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 707456 Sample: new invoice.scr.exe Startdate: 22/09/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 9 other signatures 2->40 10 new invoice.scr.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\new invoice.scr.exe.log, ASCII 10->30 dropped 50 Injects a PE file into a foreign processes 10->50 14 new invoice.scr.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.scholarships-find.life 172.66.40.175, 49700, 80 CLOUDFLARENETUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cmstp.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/04ebda83a9530337b79f15e31315d1229cf4e74e5fee4d1347ed12d7b1126ebd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 10:27:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=atv5va5jkmbtpn47cxrrgforekopjz2ol7xe2e2h5ujnpmisn26q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o5df rat spyware stealer trojan
Link:
https://tria.ge/reports/220921-2vh7gachbp/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/17ac988b-4608-4215-a0ef-b0805768fe4c
Unpacked files
SH256 hash:
d8f509f87fc41258dc81bb9720bdfa51638bf05853919ec3c3f352c39d516919
MD5 hash:
db7de8cdb8b497daba268a0c1617daa6
SHA1 hash:
81ab6e1a15c8ac64602677516c2ec9c86ab1fe80
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
Parent samples :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 hash:
a357a8ce4bdce6b59764cf453b90b739f6c7aa9b05e024a4ba253a6028d138c8
MD5 hash:
23a66fc638a08086c4390396df244984
SHA1 hash:
e91b703a0944a60a3e481ac6c6591ec6ff0c3475
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
SH256 hash:
6cbe2d3668ce223f2464d7e710902bf8aad0b13b7b70b79f29b1c99460b90ea9
MD5 hash:
6f802870527399a3718126e9816d26d9
SHA1 hash:
a10eb11327d8838bd195d6eee7f7568aa86a172a
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
SH256 hash:
3a5e60bf132f72b47ce3cd34136bff302c5b3c803851b4893967d9f5257e64d6
MD5 hash:
d7f117a7019c131805edbd3b0ce483eb
SHA1 hash:
9c48ee90bef0a8c688a8eeabe90a50eb5c4da628
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
SH256 hash:
e323422371380c77a839f708a247780cd9836a88fbb2c7a028b8f2473a639983
MD5 hash:
19efbd3d439ac903d34c3e98e0cea3ad
SHA1 hash:
401d908edd7b21a0abebbe0366b7e7f5f93a5ea1
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
SH256 hash:
04ebda83a9530337b79f15e31315d1229cf4e74e5fee4d1347ed12d7b1126ebd
MD5 hash:
785b67884cb34fb57c15046ad6f1c935
SHA1 hash:
f0f1320bfbf0aa8914fe846c4cd7f2794c512591
Link:
https://www.unpac.me/results/51333ad2-c28e-4958-8786-2cf81e6ba6d8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/04ebda83a953/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/04ebda83a9530337b79f15e31315d1229cf4e74e5fee4d1347ed12d7b1126ebd

File information

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

Malspam

Formbook

img e32c3b5bec278bba2b1a5b524cc663253c53941c82105e973606cda9b172436f

Formbook

Executable exe 04ebda83a9530337b79f15e31315d1229cf4e74e5fee4d1347ed12d7b1126ebd

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/312133/
  
Dropped by
SHA256 e32c3b5bec278bba2b1a5b524cc663253c53941c82105e973606cda9b172436f
  
Dropped by
MD5 44245215faceff032d08cfd39a854b60

Comments