MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c
SHA3-384 hash: d5f874b12927c5998db3ee881f932fd5ec7052c377f1a9774e4bae0986beeb36105661079ed1ca16022ac0a5ac4bb2ad
SHA1 hash: 174ace61a651205e84ebd54aedf36d2ddefe031e
MD5 hash: ea550bfdba64f60aea8ad136d92ddfde
humanhash: grey-london-pennsylvania-rugby
File name:Account Confirmation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:717'824 bytes
First seen:2021-04-12 05:46:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:bbyh90/3ZdEz5KNu55RIPDQRPo1wcgMuwS2T8Xo2i10Ol8Kiq:fvZdEz5KvPDQpwwxFWgXhjK
TLSH 24E4BF5AB960A3A4EBD44872EE0BE7720E155C9F5902106327F8BE273FFD527DA15230
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Account Confirmation.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-12 05:47:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0c0daa13-519c-4747-87ba-bdae6cd1037d

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/133599/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a service
Deleting a recently created file
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/672483
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 385187 Sample: Account Confirmation.exe Startdate: 12/04/2021 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 10 other signatures 2->61 10 Account Confirmation.exe 6 2->10         started        process3 file4 39 C:\Users\user\...\Account Confirmation.exe, PE32 10->39 dropped 41 Account Confirmation.exe:Zone.Identifier, ASCII 10->41 dropped 43 C:\Users\...\Account Confirmation.exe.log, ASCII 10->43 dropped 45 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 10->45 dropped 63 Writes to foreign memory regions 10->63 65 Allocates memory in foreign processes 10->65 67 Adds a directory exclusion to Windows Defender 10->67 69 Injects a PE file into a foreign processes 10->69 14 Account Confirmation.exe 10->14         started        17 AdvancedRun.exe 1 10->17         started        19 powershell.exe 26 10->19         started        21 AdvancedRun.exe 1 10->21         started        signatures5 process6 signatures7 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Maps a DLL or memory area into another process 14->73 75 Sample uses process hollowing technique 14->75 77 Queues an APC in another process (thread injection) 14->77 23 explorer.exe 14->23 injected 25 AdvancedRun.exe 17->25         started        28 conhost.exe 19->28         started        30 AdvancedRun.exe 21->30         started        process8 dnsIp9 32 wscript.exe 23->32         started        47 192.168.2.1 unknown unknown 25->47 process10 signatures11 49 Modifies the context of a thread in another process (thread injection) 32->49 51 Maps a DLL or memory area into another process 32->51 53 Tries to detect virtualization through RDTSC time measurements 32->53 35 cmd.exe 32->35         started        process12 process13 37 conhost.exe 35->37         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c/
Threat name:
ByteCode-MSIL.Spyware.Solmyr
Create hunting rule
Status:
Malicious
First seen:
2021-04-12 00:29:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
70
AV detection:
15 of 29 (51.72%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tw6667mi7bhnxht6iuiv5amgsfpwyn5q7v5stno3mrujwfhsrooa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210412-12wklc7b2x/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Nirsoft
Formbook
Malware Config
C2 Extraction:
http://www.the-techs.info/chue/
Unpacked files
SH256 hash:
c65c8788dc0fc6e300b0126c6ea11895c6edccda66a0ad724053b4bb9c0b423a
MD5 hash:
28510a0f9d0af28d6dea10f55e0d5a44
SHA1 hash:
4c0960348c36f92fb52157f3f4335664a0648918
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e353cc4-0968-49e0-8abc-2ae8ff31f633/
Parent samples :
002ec09931d23f0e66d86eda11ce72113d3e29a1cd0bd296b83ee567981610d8
0aaa10495fff6567ec8ecb5fa1ea118ad1b1230c77db540c0dd7cb6f1d26f6fb
2e10edfbe7c4a7c9220db55d3c6f921262366908277a5483ff0faf5579e194f4
4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d
890b8392c6add902841f3da3e66d6d82eb571b41c5abbc7df0685935e0d9d730
9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c
SH256 hash:
a9683c3db7843d65a50a045ba1ce7375b379521c8e5c9787c27d6505d1385ead
MD5 hash:
5429587fd4cfeb5b3a48201912d8fbfa
SHA1 hash:
9112103527efc80e80d322a6747e1c05bb8631f9
Link:
https://www.unpac.me/results/8e353cc4-0968-49e0-8abc-2ae8ff31f633/
SH256 hash:
59fa28c645aef6ca926e823492199bcc8a7a07dfa883a941a1ecff085af8f07b
MD5 hash:
0dabef0ef4c05cfff0c2428833c2d2c8
SHA1 hash:
597bb419d2aad6852198357b926beee976799939
Link:
https://www.unpac.me/results/8e353cc4-0968-49e0-8abc-2ae8ff31f633/
SH256 hash:
e88d0d6780b4b64c49a1f56424dd2f875a57b52b6ce0ac5c12c5c7f2bf6a7552
MD5 hash:
bb3ce3b624ae7f69fd38d7214d8853ba
SHA1 hash:
30754e3e8937a9fd9dcf472f601e34c1a20ee01e
Link:
https://www.unpac.me/results/8e353cc4-0968-49e0-8abc-2ae8ff31f633/
SH256 hash:
ba491f72333dc5325fa1800d549815fd03c210ad9170cd71d4c17920e2367b15
MD5 hash:
9b3e09324ef98f5c26757a8f9ccab0c4
SHA1 hash:
0fbb2b3cbfbd3c4190ef2d6e627dec0648658a19
Link:
https://www.unpac.me/results/8e353cc4-0968-49e0-8abc-2ae8ff31f633/
SH256 hash:
9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c
MD5 hash:
ea550bfdba64f60aea8ad136d92ddfde
SHA1 hash:
174ace61a651205e84ebd54aedf36d2ddefe031e
Link:
https://www.unpac.me/results/8e353cc4-0968-49e0-8abc-2ae8ff31f633/
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/9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly

File information

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

Malspam

Formbook

rar f4b5cbe828fc942e2a9bd26be396f80dfca78d999fe637005e2b89b8f38d779f

Formbook

Executable exe 9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f4b5cbe828fc942e2a9bd26be396f80dfca78d999fe637005e2b89b8f38d779f
Cape
Cape
https://www.capesandbox.com/analysis/133599/

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