MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29562212d731f51f5773e7996530971ccecfe84d6116bcbdbb3e41e6a2054b9a. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 29562212d731f51f5773e7996530971ccecfe84d6116bcbdbb3e41e6a2054b9a
SHA3-384 hash: 1f0dc2f1d5f9fccd11cd449474b941735c7707eca76b09807f715bbe7020eb719f767a2434ff20f14a53bfdcdf3206bf
SHA1 hash: 2b2da5343738715b14942f3061e7e27b88ee635b
MD5 hash: 90295158fefffc3c8f5e9747ca47d009
humanhash: fifteen-mars-spring-glucose
File name:AHM 3182026.gz.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:521'216 bytes
First seen:2020-11-03 06:31:10 UTC
Last seen:2020-11-03 10:30:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:qu2Mo+Efv8I1zd5wIJH5y5bvz8YJgMZdcZjLme9x9tnOZEhd1oiAfcTN4o/:zHet1p5ZXylz8YJgMzELBv9t2f1
TLSH 0EB4D2E32861D46BC97B2EF13064B380ED6DDB872B508E39615B1F08BA31A16DFD6147
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/81957/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.4145.27942.25548.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/518870
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Contains functionality to prevent local Windows debugging
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 308537 Sample: AHM 3182026.gz.exe Startdate: 03/11/2020 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected FormBook 2->36 38 4 other signatures 2->38 10 AHM 3182026.gz.exe 6 2->10         started        process3 file4 26 C:\Users\user\AppData\Local\...\mscorsvw.exe, PE32 10->26 dropped 28 C:\Users\user\...\AHM 3182026.gz.exe.log, ASCII 10->28 dropped 30 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->30 dropped 46 Writes to foreign memory regions 10->46 48 Allocates memory in foreign processes 10->48 50 Injects a PE file into a foreign processes 10->50 14 mscorsvw.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 3 other signatures 14->58 17 explorer.exe 14->17 injected process8 process9 19 cmd.exe 17->19         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/29562212d731f51f5773e7996530971ccecfe84d6116bcbdbb3e41e6a2054b9a/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-11-03 01:05:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fflceewxgh2r6v3t46mwkmexdthm72cnmellzpn3hza6niqfjona._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201103-6rb15lfa1n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.pips4profits.com/xbt/
Unpacked files
SH256 hash:
29562212d731f51f5773e7996530971ccecfe84d6116bcbdbb3e41e6a2054b9a
MD5 hash:
90295158fefffc3c8f5e9747ca47d009
SHA1 hash:
2b2da5343738715b14942f3061e7e27b88ee635b
Link:
https://www.unpac.me/results/13fe1d12-4f3c-45ad-980a-a245393f453e/
SH256 hash:
85149b884607f6bb7317c7fb893b8cabc550422ecd62bd59509a3d5fcf44b56d
MD5 hash:
a5baef204b1c2470b3692ead91645bcc
SHA1 hash:
636c826cd651b6817711353b140d7960731daec5
Link:
https://www.unpac.me/results/13fe1d12-4f3c-45ad-980a-a245393f453e/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/13fe1d12-4f3c-45ad-980a-a245393f453e/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
Link:
https://www.unpac.me/results/13fe1d12-4f3c-45ad-980a-a245393f453e/
SH256 hash:
9679a7ed303ff05d0a2b889364656a0a9295b6d5bde2a4f5d652146facbec9f5
MD5 hash:
4fddf1865a118ee3e77096a6d36b6b15
SHA1 hash:
3d393d8e288f094e5da5a33cbea3e55e11d33311
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/13fe1d12-4f3c-45ad-980a-a245393f453e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/29562212d731f51f5773e7996530971ccecfe84d6116bcbdbb3e41e6a2054b9a

File information

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

Malspam

Formbook

gz 40f3bc6c68d47e7969236019885d615862e930a76b5940987c62ac8f4a73a061

Formbook

Executable exe 29562212d731f51f5773e7996530971ccecfe84d6116bcbdbb3e41e6a2054b9a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 40f3bc6c68d47e7969236019885d615862e930a76b5940987c62ac8f4a73a061
Cape
Cape
https://www.capesandbox.com/analysis/81957/

Comments