MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dce92db361fb0e2b6cc00cb1b205288120af9c48b7ffdfc71b5735ad81c72b16. 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 2 File information Comments

SHA256 hash: dce92db361fb0e2b6cc00cb1b205288120af9c48b7ffdfc71b5735ad81c72b16
SHA3-384 hash: 53a2a413ac120e639810f346cb75ad49a1f17b1fcd0703672c36d1bd6e2487030f6c828a48109a0c26770a97f50a7477
SHA1 hash: df101ae181a9c10b488522cea31b1c9c45280dff
MD5 hash: f7db4bb93fb1a2beb52f7fa748ebdbbf
humanhash: berlin-avocado-asparagus-pip
File name:INVOICE SHIPPING DOCS.exe
Download: download sample
Signature Formbook
File size:689'664 bytes
First seen:2023-07-11 20:02:42 UTC
Last seen:2023-07-12 06:16:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:IY6lJMf8trsO/prC0LDn4BGMSQSGlgq9OeCNDiCDKocHPh3gZ:+2O/RCM4AT6CNDi6KtvM
Threatray 1'480 similar samples on MalwareBazaar
TLSH T124E401BD56316C23C87F0AFC60A023755BB485B57913E3CA1C99B9FA2A477CA0B16217
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 4428d4ccd4d03028 (10 x AgentTesla, 3 x SnakeKeylogger, 2 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
313
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
INVOICE SHIPPING DOCS.exe
Verdict:
Malicious activity
Analysis date:
2023-07-11 20:03:46 UTC
Tags:
formbook xloader trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1271245 Sample: INVOICE_SHIPPING_DOCS.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 9 other signatures 2->74 10 INVOICE_SHIPPING_DOCS.exe 7 2->10         started        14 lxaRRXssW.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\Roaming\lxaRRXssW.exe, PE32 10->46 dropped 48 C:\Users\...\lxaRRXssW.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpCD86.tmp, XML 10->50 dropped 52 C:\Users\...\INVOICE_SHIPPING_DOCS.exe.log, ASCII 10->52 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 84 Adds a directory exclusion to Windows Defender 10->84 16 RegSvcs.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        86 Machine Learning detection for dropped file 14->86 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Maps a DLL or memory area into another process 16->62 64 Sample uses process hollowing technique 16->64 66 2 other signatures 16->66 27 explorer.exe 2 1 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 td-ccm-168-233.wixdns.net 34.117.168.233, 49699, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 27->54 56 www.serenitysuite.health 27->56 58 6 other IPs or domains 27->58 88 System process connects to network (likely due to code injection or exploit) 27->88 37 cmmon32.exe 27->37         started        40 msdt.exe 27->40         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 37->76 78 Maps a DLL or memory area into another process 37->78 80 Tries to detect virtualization through RDTSC time measurements 37->80 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-11 11:31:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s28y rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
2c92c3a13530fbcd3a2768af8671311c3fcf878626ed24febdc65c76cbeaeaf1
MD5 hash:
57ba313b829018ef160b67e61a5a48ba
SHA1 hash:
91aed3316a773ffb22f738bd3b01e10d3803a1f3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
9af01196aee6782df75aede7872ec69d7b3f383a76d60f2e5c7f06ef897a84e1
MD5 hash:
cd943fb9d1db1b30658ed3e3c390b03f
SHA1 hash:
3ce57a21832bad1a5f28f8d439cef2d9d24be0cd
SH256 hash:
2c92c3a13530fbcd3a2768af8671311c3fcf878626ed24febdc65c76cbeaeaf1
MD5 hash:
57ba313b829018ef160b67e61a5a48ba
SHA1 hash:
91aed3316a773ffb22f738bd3b01e10d3803a1f3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
9af01196aee6782df75aede7872ec69d7b3f383a76d60f2e5c7f06ef897a84e1
MD5 hash:
cd943fb9d1db1b30658ed3e3c390b03f
SHA1 hash:
3ce57a21832bad1a5f28f8d439cef2d9d24be0cd
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
2c92c3a13530fbcd3a2768af8671311c3fcf878626ed24febdc65c76cbeaeaf1
MD5 hash:
57ba313b829018ef160b67e61a5a48ba
SHA1 hash:
91aed3316a773ffb22f738bd3b01e10d3803a1f3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
9af01196aee6782df75aede7872ec69d7b3f383a76d60f2e5c7f06ef897a84e1
MD5 hash:
cd943fb9d1db1b30658ed3e3c390b03f
SHA1 hash:
3ce57a21832bad1a5f28f8d439cef2d9d24be0cd
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
2c92c3a13530fbcd3a2768af8671311c3fcf878626ed24febdc65c76cbeaeaf1
MD5 hash:
57ba313b829018ef160b67e61a5a48ba
SHA1 hash:
91aed3316a773ffb22f738bd3b01e10d3803a1f3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
9af01196aee6782df75aede7872ec69d7b3f383a76d60f2e5c7f06ef897a84e1
MD5 hash:
cd943fb9d1db1b30658ed3e3c390b03f
SHA1 hash:
3ce57a21832bad1a5f28f8d439cef2d9d24be0cd
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
dce92db361fb0e2b6cc00cb1b205288120af9c48b7ffdfc71b5735ad81c72b16
MD5 hash:
f7db4bb93fb1a2beb52f7fa748ebdbbf
SHA1 hash:
df101ae181a9c10b488522cea31b1c9c45280dff
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 dce92db361fb0e2b6cc00cb1b205288120af9c48b7ffdfc71b5735ad81c72b16

(this sample)

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