MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6
SHA3-384 hash: ef7afdcb51ac0ff0a8dfad653a3210e05d4169746eff705f1a9fff72e42b5250363d90c93ce5a79b0cdb803d90ab4102
SHA1 hash: f27a8de41120825fc9a59b05e79bb92ccc766b2d
MD5 hash: f4eb13ef6fef846933c731aecae8f978
humanhash: early-alanine-steak-pasta
File name:f4eb13ef6fef846933c731aecae8f978
Download: download sample
Signature Formbook
Create hunting rule
File size:380'416 bytes
First seen:2021-11-30 20:09:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:Oz/JlH+bBQeQeCz/sNqSx3zJnvB3O9xs1BSlP0PbLLW9mTdAIGbr:klHCBQ7brY3z+9HP0PTZTeIW
Threatray 11'813 similar samples on MalwareBazaar
TLSH T1E084022273F94322E5BD0BB9AA70251417B3F99A3562E29C4F8670EF1663F408554BF3
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING DOCUMENT.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-30 19:39:16 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/a1c8cec3-5371-451b-a1c7-4984ff7e2770

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/210081/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.58821.17110.12138.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a6851ebbfd2af97cbd5276/reports/b48f3a05-46c2-4844-a943-8206b14c0410/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df91aba0-e0be-436c-ae77-7acb4d1a3ee9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899013
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531488 Sample: 65UxAwcYNA Startdate: 30/11/2021 Architecture: WINDOWS Score: 100 35 www.sandman.network 2->35 37 www.qask.top 2->37 39 www.gxystgs.com 2->39 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 8 other signatures 2->57 10 65UxAwcYNA.exe 3 2->10         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\65UxAwcYNA.exe.log, ASCII 10->33 dropped 59 Tries to detect virtualization through RDTSC time measurements 10->59 61 Injects a PE file into a foreign processes 10->61 14 65UxAwcYNA.exe 10->14         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 17 rundll32.exe 14->17         started        20 explorer.exe 14->20 injected process9 signatures10 43 Self deletion via cmd delete 17->43 45 Modifies the context of a thread in another process (thread injection) 17->45 47 Maps a DLL or memory area into another process 17->47 49 Tries to detect virtualization through RDTSC time measurements 17->49 22 cmd.exe 1 17->22         started        24 explorer.exe 17->24         started        27 explorer.exe 2 154 17->27         started        29 2 other processes 17->29 process11 dnsIp12 31 conhost.exe 22->31         started        41 192.168.2.1 unknown unknown 24->41 process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-30 14:20:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 28 (67.86%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
7a0cd1587a69eaf31f745c4f39b0bfbbfbf23f1d1b483b1448da6b90fdaf6caa
Formbook
92206b9fa1251b589ab6d14b4828cafe0ec9d9b44df469602b7d3d1ed16ae0e8
Formbook
934615bde495d4cbbfd0178c6eea46804cb19a447db1a8781bb43c5986012cbb
Formbook
945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a
Formbook
99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 11'803 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mwev loader rat
Link:
https://tria.ge/reports/211130-yxqsjsbea5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.scion-go-getter.com/mwev/
Unpacked files
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
Link:
https://www.unpac.me/results/dd43e125-5d49-482c-ae9c-ea648be244ad/
SH256 hash:
4eb3f55dda87f22e455b57f65a12b0172b8285d1293a7cf82b7d6e492eb6d235
MD5 hash:
41e16a58412b0f094df75aff956c2da5
SHA1 hash:
8220fade16b3150b9936c8c77c810ef0af52fae5
Link:
https://www.unpac.me/results/dd43e125-5d49-482c-ae9c-ea648be244ad/
SH256 hash:
0c11575232a84acd1d6d0b4fe8f9b6009cbaca05245212d909225604ea98c951
MD5 hash:
5601213aece87a7070bd0a1a420b69e4
SHA1 hash:
6d3d6dfa1b04fcf41f2c685b99366a228dcd86a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dd43e125-5d49-482c-ae9c-ea648be244ad/
Parent samples :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 hash:
cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6
MD5 hash:
f4eb13ef6fef846933c731aecae8f978
SHA1 hash:
f27a8de41120825fc9a59b05e79bb92ccc766b2d
Link:
https://www.unpac.me/results/dd43e125-5d49-482c-ae9c-ea648be244ad/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cd53040ec21c/report/overview.html
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/cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/210081/
  
URLhaus
https://urlhaus.abuse.ch/url/1838499/

Comments


Avatar
zbet commented on 2021-11-30 20:09:51 UTC

url : hxxp://23.94.174.144/windows/reg/vbc.exe