MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c8bfea897f9833766ceab96299a77ad19ed1e0897b7e30d56d2c56c30d2d4e. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23c8bfea897f9833766ceab96299a77ad19ed1e0897b7e30d56d2c56c30d2d4e
SHA3-384 hash: 688a13910ff6d5aecc88880f295184a55bbbf0cf5998d3fb452c4aacf0908af052304e7c09ede640f214e09513a9df69
SHA1 hash: 611559df5b74934dea4c81a5490e2c64a73ee6e0
MD5 hash: 192b796d92d190c45204571599c38c86
humanhash: twenty-kansas-seven-kansas
File name:192b796d92d190c45204571599c38c86
Download: download sample
Signature Formbook
Create hunting rule
File size:415'744 bytes
First seen:2021-12-02 18:55:30 UTC
Last seen:2021-12-02 20:41:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:4z2kQqvZRHkXGQTY22C7/GXrBPKCQAm9Xuijhw7+57SUTnzvzHKQhZgoWL:FXGop2CDGXr5K6m9XuijK+Rzv7KvX
Threatray 12'126 similar samples on MalwareBazaar
TLSH T17D94D0433A6090F6C1386933FE97945E16632EF4AD22D2192BE3F75F25713A10E506B7
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING DOCUMENTS.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-02 17:19:52 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/3bfcabf5-5d28-45a1-8927-effff580732b

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/210848/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.96.30919.21367.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP 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/61a916c8707a51cfe28bb77b/reports/6ceaf78b-00f6-4e70-9adc-c50bf09ae746/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e581267-d736-450d-892c-35aaf8930843
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/900432
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 532910 Sample: 1D4l9eR0W4 Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 31 www.fourthandwhiteoak.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 1D4l9eR0W4.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\1D4l9eR0W4.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 1D4l9eR0W4.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 texascountrycharts.com 15.197.142.173, 49834, 80 TANDEMUS United States 18->33 35 websitessample.com 198.143.147.58, 49873, 80 SINGLEHOP-LLCUS United States 18->35 37 16 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23c8bfea897f9833766ceab96299a77ad19ed1e0897b7e30d56d2c56c30d2d4e/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-12-02 18:00:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
14 of 26 (53.85%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4dbb7c1c75a4553436b03d96efcb5aa20c7c3668cfd6a50cb2c08fff92d5f499
Formbook
7a0cd1587a69eaf31f745c4f39b0bfbbfbf23f1d1b483b1448da6b90fdaf6caa
Formbook
92206b9fa1251b589ab6d14b4828cafe0ec9d9b44df469602b7d3d1ed16ae0e8
Formbook
945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a
Formbook
99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
Formbook
cd53040ec21c86fa58a23ef8a844b96b05454800c6aabe0e9d5772e3ab07bce6
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 12'116 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/211202-xlc7msbcer/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.scion-go-getter.com/mwev/
Unpacked files
SH256 hash:
434e4e49bdcd4dfa2d67878dc7b355683a3dba57e6fe31f7d8ff56185e9a35da
MD5 hash:
215438222d5ab6fdaffc388681a531b5
SHA1 hash:
677b962cd9e6fd938a0f7351c23e4c0717224c17
Link:
https://www.unpac.me/results/b03b8682-5022-4cec-a563-fbc4f0cfba21/
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
Link:
https://www.unpac.me/results/b03b8682-5022-4cec-a563-fbc4f0cfba21/
SH256 hash:
23c8bfea897f9833766ceab96299a77ad19ed1e0897b7e30d56d2c56c30d2d4e
MD5 hash:
192b796d92d190c45204571599c38c86
SHA1 hash:
611559df5b74934dea4c81a5490e2c64a73ee6e0
Link:
https://www.unpac.me/results/b03b8682-5022-4cec-a563-fbc4f0cfba21/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/23c8bfea897f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/23c8bfea897f9833766ceab96299a77ad19ed1e0897b7e30d56d2c56c30d2d4e

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 23c8bfea897f9833766ceab96299a77ad19ed1e0897b7e30d56d2c56c30d2d4e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1845475/
Cape
Cape
https://www.capesandbox.com/analysis/210848/

Comments


Avatar
zbet commented on 2021-12-02 18:55:31 UTC

url : hxxp://198.46.136.201/windows/settings/reg.exe