MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
SHA3-384 hash: 62107149a4765e1be173d33621b09e02370687a0e62c85fc5e66d9cb07a9c90783ce2f3c5cb3906e88da85a62bda4e31
SHA1 hash: 4a6facb3af48662fda5d15c6f1afb087359e3d21
MD5 hash: a9a5124d3644505071222581cb69c0da
humanhash: diet-alabama-chicken-crazy
File name:2021_02_25.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:518'144 bytes
First seen:2021-02-25 02:12:02 UTC
Last seen:2021-02-25 03:54:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jvgQzhhEA7QpAqQnbWVF/NsnEpuXs8ShjwtesdDZ5vP:j/0A79xbWD/NSEY8FcBdDZJ
Threatray 3'955 similar samples on MalwareBazaar
TLSH 9EB4CE35326C6B2CE07F277745A0254F83FAE9229327D15B6DE821DF5D52F808B2260B
Reporter Anonymous
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2021_02_25.exe
Verdict:
No threats detected
Analysis date:
2021-02-25 02:05:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/15bd3987-ca97-4715-9c7d-67cad670b5c5

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/119115/
Detection(s):
SecuriteInfo.com.FileRepMalware.6683.28162.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
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/618168
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)
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 dnsIp2 2 Behavior Graph ID: 358087 Sample: 2021_02_25.exe Startdate: 25/02/2021 Architecture: WINDOWS Score: 100 33 www.bistrolartichaut.com 2->33 35 bistrolartichaut.com 2->35 37 www.lghglzcnkx.net 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 5 other signatures 2->51 11 2021_02_25.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\2021_02_25.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 2021_02_25.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 39 playfighterstube.com 192.185.226.52, 49747, 80 UNIFIEDLAYER-AS-1US United States 18->39 41 www.binliwine.com 117.18.12.137, 49753, 80 SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong Hong Kong 18->41 43 4 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 raserver.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670/
Threat name:
ByteCode-MSIL.Trojan.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-02-25 02:12:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dkcz6gfcao2t67ejh6pd2pf75nv5tqguphy53vlcnosmt2zu4zya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
393b127088802012cba2a9b9065c17069669c919e6513b34f57d30d12f631d76
Formbook
5180e6ef19db039d8365f3cb9690424e61504a80ab94a12738a633b6cdc5fccb
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
720ffc99aa96c665aae27db46f776476c37ca113db207790579adfd81c73ad05
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
+ 3'945 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/210225-zf8p9llvl2/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bistrolartichaut.com/gbr/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/04a1d37f-d6e1-4be1-a1ee-ceaf00027f3c/
SH256 hash:
1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
MD5 hash:
a9a5124d3644505071222581cb69c0da
SHA1 hash:
4a6facb3af48662fda5d15c6f1afb087359e3d21
Link:
https://www.unpac.me/results/04a1d37f-d6e1-4be1-a1ee-ceaf00027f3c/
Please note that we are no longer able to provide a coverage score for Virus Total.

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_InTheFu
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/119115/

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