MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
SHA3-384 hash: d10f342b0413c39e4d52db6bf24dab695758425ff44269861e459871d9b321f971063b13141258101dc8138dd0593d67
SHA1 hash: 55f98b7940c216decffbee9ea0927334f8d56785
MD5 hash: a53ca5c60cc21e40dd31a7a7a68ba74b
humanhash: jersey-avocado-kansas-seventeen
File name:probablyloki.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:799'744 bytes
First seen:2021-02-16 01:00:23 UTC
Last seen:2021-02-16 02:54:27 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 12288:jsANYT/rTbYnFBznBjFcxN7j2/x4Z+7zTu2vRiZi6quXNLqB9pLoOn/fIHwkEN+n:D8/rTsfeiiZFqRjn/fgwkEN+vnVr1X
Threatray 3'772 similar samples on MalwareBazaar
TLSH E4056B1A36986F65F4BE533AA8A41810A3F8FC13D371D8AE7DE974CE55B0F90D621702
Reporter Anonymous
Tags:exe FormBook Loki malware PE

Intelligence

File Origin
# of uploads :
3
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
probablyloki.exe
Verdict:
Malicious activity
Analysis date:
2021-02-16 01:02:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c2c348dd-3344-4ed3-8c42-85d50ba57884

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/117278/
Detection(s):
SecuriteInfo.com.generic.ml.5793.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/608552
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353306 Sample: probablyloki.exe Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 probablyloki.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\probablyloki.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 probablyloki.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 deliverymail-promocija.com 35.204.21.145, 49771, 80 GOOGLEUS United States 17->30 32 www.edgeband-china.com 45.39.110.92, 49760, 80 EGIHOSTINGUS United States 17->32 34 6 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-16 01:01:05 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rrnjbjgei4gql77xov4sbkqkrp2w5wvqj5hlsjv2pclff4n7y5ga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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0db69eb6654d1090cb17ab58537a7304e2c269613c0edabf123cf230d289db73
Formbook
0fbe3e570e7074462b9c44528e6a1a3e9a4d02775acf4e9877f4f3ac87cdbd2e
Formbook
1ec5aeccf89c5d7a378e443e742e37f05a2aa7cb71150ee0ca4876c6b37d7b4d
Formbook
48afec636886aebdf7f0be7d5b9c034f2568b890215a15f13554933d94322045
Formbook
5915848dc0c0e2e649fdc29ed1d3270ec15b78493e9ca9debf5e85a090e533b6
Formbook
c848b9f81ec7dcc330cc57ede3482805ccad25143eac801f7f56fc5cc0ccace5
Formbook
d68888aa1e155ac65bd1ddabcf05f61bfff65f79a11cc0ee099200c3da8c5d35
Formbook
d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
f09416ef7aaab2c43c62ef77bb69c005ec4a57d4051586f5e7d8571e74fee41c
Formbook
+ 3'762 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210216-jlejejdcgx/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.jimwheelerrealtor.com/wle/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/9b2d6f2c-a57d-4a3c-b802-bb904c4e0a36/
SH256 hash:
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
MD5 hash:
a53ca5c60cc21e40dd31a7a7a68ba74b
SHA1 hash:
55f98b7940c216decffbee9ea0927334f8d56785
Link:
https://www.unpac.me/results/9b2d6f2c-a57d-4a3c-b802-bb904c4e0a36/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/117278/

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