MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde. 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: da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde
SHA3-384 hash: 17c6e76659fa82c13d0d81898badca48e00d474d8b8d7fa08f74167d4316e960ec05aa5228bd64bc7c98874bbb3d4766
SHA1 hash: 1f30ab5269ccdf5b290f57799fc803eac75951c2
MD5 hash: 44b4e5396a0a6074c98f0f02c8d1abf0
humanhash: four-table-carolina-kentucky
File name:paymentcopy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'111'040 bytes
First seen:2020-10-12 19:27:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:rxPAMu878lJqmhbK4Ll5DpG9aEMeMyxDW8ZQQ6xuAPH:rx/5QPBLl5Dp8MlQDW8ZQQEuAPH
Threatray 2'413 similar samples on MalwareBazaar
TLSH 6235E07D35244CA3CA6D8CFAA42309404BFE26437AAAE2CB3CC975DE0DD5F9445612DB
Reporter abuse_ch
Tags:exe FormBook SCB


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: server.miyoshi.biz
Sending IP: 111.235.136.178
From: Standard Chartered Bank <Account@transfopam.com>
Reply-To: sjrkintluea@gmail.com
Subject: Advice from Standard Chartered Bank
Attachment: paymentcopy.arj (contains "paymentcopy.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/70202/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42621.30927.26966.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
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/488890
Signature
.NET source code contains potential unpacker
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296901 Sample: paymentcopy.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 31 www.skip5-aksdn.com 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AntiVM_3 2->39 41 7 other signatures 2->41 11 paymentcopy.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\paymentcopy.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 paymentcopy.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.microscopiacelular.com 217.160.0.74, 49712, 80 ONEANDONE-ASBrauerstrasse48DE Germany 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde/
Threat name:
ByteCode-MSIL.Backdoor.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 14:23:02 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kgdcclptyx7zgq75jfghvsebt62ku2jqrjqbnhtgoqcgf6hhxpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
106f9f66c54be3c20be8f04ce63f5d6183d6eb9e79a6b243b5c820cc01ee24cb
Formbook
180c1029f70e0bc02acbd67fb8f8628b16dc896b6894fff0c1527247f1adaa85
Formbook
353e4fd91fe618f5c22c9cae00e7575e9b1914576ff7e332d03ca3e9f7dbbbbc
Formbook
3f8bef60842d6aa5827f315301d8b8b116a0938ed26f9da7eda3db51c104efb4
Formbook
4ab3ba278dacd218a4308aa0074105546a52256e029a29d67f8291facf25fd43
Formbook
59793c1ac9d8537e06996b0a09f161deb98a77d527b0bc97b18e15972f120a2d
Formbook
a2c689776ac0293d25b03d0c864f9c5a5314d06da7a126682350939196eb16e6
Formbook
b9aac9e8bc1b19d0bdecac73e757f9d3bbcf51f9b5d883f34a3ecad591716582
Formbook
bfb2fd4412e9cd136a794f61436d597d7d58fb4fd842509dabe7a70344e4fd97
Formbook
f638e03e33b24d736db2873b3dee14d8312731d040adb93265b99e21b94b3978
Formbook
+ 2'403 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201012-rqblzn8fxn/
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 SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.208ky.com/nl8/
Unpacked files
SH256 hash:
da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde
MD5 hash:
44b4e5396a0a6074c98f0f02c8d1abf0
SHA1 hash:
1f30ab5269ccdf5b290f57799fc803eac75951c2
Link:
https://www.unpac.me/results/8cd76b60-365f-41bb-baee-3c6cb332ac1d/
SH256 hash:
fda7eb098e66d4972e05ef9ef8cde5149f4b8ccd65bf7545db1305db89b1111b
MD5 hash:
e09ebb92bfeb772ece38a12a65e08b18
SHA1 hash:
055296bc68beae33aed7480ec5590f8184951fd8
Link:
https://www.unpac.me/results/8cd76b60-365f-41bb-baee-3c6cb332ac1d/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/8cd76b60-365f-41bb-baee-3c6cb332ac1d/
SH256 hash:
56dc754f706b46560c2b958ac389fa64dfb52298861aa396b7abff06137054c7
MD5 hash:
0acb3f8abc263c77cb8a5c0dac24b9e8
SHA1 hash:
e25c299dac7a8ac06ec1b3ac2e6ff7351a910909
Link:
https://www.unpac.me/results/8cd76b60-365f-41bb-baee-3c6cb332ac1d/
SH256 hash:
8b13cd21c6fb12a1cb9e57aba89c3bc8dfafc968a141b1e740433fab655294eb
MD5 hash:
e516efc4307f30ade4c58099085fe46a
SHA1 hash:
5fa7fe7476a8cad37e3c65c9567ff2ac73b59a44
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8cd76b60-365f-41bb-baee-3c6cb332ac1d/
Parent samples :
180c1029f70e0bc02acbd67fb8f8628b16dc896b6894fff0c1527247f1adaa85
4ab3ba278dacd218a4308aa0074105546a52256e029a29d67f8291facf25fd43
3f8bef60842d6aa5827f315301d8b8b116a0938ed26f9da7eda3db51c104efb4
b9aac9e8bc1b19d0bdecac73e757f9d3bbcf51f9b5d883f34a3ecad591716582
a2c689776ac0293d25b03d0c864f9c5a5314d06da7a126682350939196eb16e6
f638e03e33b24d736db2873b3dee14d8312731d040adb93265b99e21b94b3978
da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde
0713f11756d56d7b064989ad057ab768f0cbef644ee45b96f1ef2a9daefd0eaa
8f5161a12c4c8522e00196b39b3ee82c620da9914f8b861d6eee31cb8662d18b
03c78086d04631f011e45da72afc76354452b162c58447b6ee2edc75c15e18dd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde

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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Malspam

Formbook

arj d1dfa8054c1f025d8f1022ae8c9be2dbe767d88795f7085f53b872d7acfac3c2

Formbook

Executable exe da8c31096f9e2ffc9a1fea4a63d6440cfda55349845300b4f333a02317c73dde

(this sample)

  
Dropped by
MD5 f35aabb98c0b9b38008be1717b76b818
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70202/
  
Dropped by
SHA256 d1dfa8054c1f025d8f1022ae8c9be2dbe767d88795f7085f53b872d7acfac3c2

Comments