MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9b8eec86e68c49ea7d93474b09385745892b0335dff80fd2a15ff682223a39c. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9b8eec86e68c49ea7d93474b09385745892b0335dff80fd2a15ff682223a39c
SHA3-384 hash: 5ea8377d922e8b96a3aafcb947af522cec749b5fdc6d20b811e5e4222ab6f1f5b61ecd6af5452581408cfefba4a1b25e
SHA1 hash: 889d1a7422af067f740cb9bac339ee55847b1287
MD5 hash: 581f035ad9efea243aa84cb9e0a3b912
humanhash: asparagus-vermont-music-music
File name:shipping document.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:616'960 bytes
First seen:2022-06-13 13:10:04 UTC
Last seen:2022-06-13 15:31:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Zeb81BafvIK2iNq2iNq2iNq2iNGDak+UVmU7uTyotkJiHD5SS60Vw:iVf51I1I1I12/ZuTdtkJ85SD
TLSH T18ED4E0C0E3A7EC7AF52821B77041801C27A4851C91E9C1B75AEDB59E30B6BA72CF5E47
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter cocaman
Tags:exe FormBook Shipping

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:
shipping document.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 22:32:42 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0bf24511-f5eb-4aff-8268-5916e2de5412

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/279417/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a737694d1ff31e31bbef27/reports/dd4c703e-2e92-4435-87d1-2ed4c3dc5495/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b1ca75a-dcb9-4bca-ab2a-6e4392e0cd08
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012149
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644643 Sample: shipping document.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 11 other signatures 2->40 7 shipping document.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\ySchvAN.exe, PE32 7->26 dropped 28 C:\Users\user\...\ySchvAN.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp917A.tmp, XML 7->30 dropped 32 C:\Users\user\...\shipping document.exe.log, ASCII 7->32 dropped 42 Writes to foreign memory regions 7->42 44 Adds a directory exclusion to Windows Defender 7->44 46 Injects a PE file into a foreign processes 7->46 11 RegSvcs.exe 7->11         started        14 RegSvcs.exe 7->14         started        16 powershell.exe 21 7->16         started        18 3 other processes 7->18 signatures5 process6 signatures7 48 Modifies the context of a thread in another process (thread injection) 11->48 50 Maps a DLL or memory area into another process 11->50 52 Queues an APC in another process (thread injection) 11->52 20 explorer.exe 11->20 injected 54 Tries to detect virtualization through RDTSC time measurements 14->54 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9b8eec86e68c49ea7d93474b09385745892b0335dff80fd2a15ff682223a39c/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 10:21:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zg4o5sdondcj5j6zgr2lbe4formjfmbtlx7yb7jkcx7wqirduooa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pdrq evasion loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220613-qext5sgchk/
Behaviour
Gathers network information
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
Creates scheduled task(s)
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Reads user/profile data of web browsers
Adds policy Run key to start application
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
04702b5d5177d598e8d4cc28aa70637ceef30da492e67438cbc33f5f3c2c25d8
MD5 hash:
28b80a562b4428d046b7f79180e5dd6a
SHA1 hash:
94822c0572a32cebb8b2d89e805bf9416cf3df34
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/62d91f20-487f-4fcc-b137-a0f3289c2510/
Parent samples :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 hash:
26bb4084e956b08396f9d67b52a7bb1ab549123d88f099ba076ab6cb1d47d350
MD5 hash:
e8e4b6b6c4faeda08eea61b796d7ea7c
SHA1 hash:
7354cadce3658b7d142afdd19652a64fa0dcac79
Link:
https://www.unpac.me/results/62d91f20-487f-4fcc-b137-a0f3289c2510/
SH256 hash:
20f45687503541717a31727766815f7b962b592d5d2966cd82153b3a5d0fe7cb
MD5 hash:
efa1e55086f9a0941ca141a5d149aa49
SHA1 hash:
248863360819da5a17399a26014c35aeb5bf9355
Link:
https://www.unpac.me/results/62d91f20-487f-4fcc-b137-a0f3289c2510/
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/62d91f20-487f-4fcc-b137-a0f3289c2510/
SH256 hash:
c9b8eec86e68c49ea7d93474b09385745892b0335dff80fd2a15ff682223a39c
MD5 hash:
581f035ad9efea243aa84cb9e0a3b912
SHA1 hash:
889d1a7422af067f740cb9bac339ee55847b1287
Link:
https://www.unpac.me/results/62d91f20-487f-4fcc-b137-a0f3289c2510/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c9b8eec86e68/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/c9b8eec86e68c49ea7d93474b09385745892b0335dff80fd2a15ff682223a39c

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
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

r01 a3afb654fc55cffc4f26fd27a7f7109de5edc5401d2c6b03241358ea69dbfcda

Formbook

Executable exe c9b8eec86e68c49ea7d93474b09385745892b0335dff80fd2a15ff682223a39c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a3afb654fc55cffc4f26fd27a7f7109de5edc5401d2c6b03241358ea69dbfcda
Cape
Cape
https://www.capesandbox.com/analysis/279417/
  
Dropped by
MD5 d97fa5d09cd14d1f1bf3a9733d1fcb33

Comments