MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
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SHA256 hash: 570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b
SHA3-384 hash: ca3e2895c903718217a2ec4df4fad53e3d172a16a22b604fa3f8c27e04a6843463e8df2b1b5775a66fd854b4c410d8a3
SHA1 hash: e295545fa21f0ae51808e8486cd9b3a7261dbc52
MD5 hash: 108639e22bac66398ee401211b8f2b6a
humanhash: hydrogen-sad-uniform-cola
File name:Envío diciembre.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:459'264 bytes
First seen:2021-11-24 14:06:06 UTC
Last seen:2021-12-02 14:25:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:AE6z2gX6z4bsuaBcraU2xby4Dj2pLdf8iKTmEu9999999999999999999999999g:66+raU2Ny4DqpLdf8iBM581nh
Threatray 11'885 similar samples on MalwareBazaar
TLSH T100A42E2F3A355A62ED0FD23049C14A44BB670F036A48AADAA7CBDBC6D74F09E5D44CC5
File icon (PE):PE icon
dhash icon 4db292f2d88cb40b (15 x RemcosRAT, 13 x AgentTesla, 7 x NanoCore)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Envío diciembre.exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 21:59:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/2f9bac16-7d28-409c-a494-39cf42e1cb04

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Artemis108639E22BAC.25930.4497.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the process to change network settings
Searching for synchronization primitives
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/619e4709b71ceed4152e9392/reports/83653bd7-9417-4652-8f7f-a4979aeb4f1f/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/0cb2493a-dcc4-4bb3-af88-9c9510fdc600
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/895426
Signature
Antivirus detection for dropped file
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 delay execution (extensive OutputDebugStringW loop)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 527904 Sample: Env#U00edo diciembre.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 24 www.alstartnpasumo5.xyz 2->24 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 8 other signatures 2->40 9 Env#U00edo diciembre.exe 4 2->9         started        signatures3 process4 file5 22 C:\Users\user\AppData\Local\...\Young_bin.exe, PE32 9->22 dropped 12 Young_bin.exe 9->12         started        process6 signatures7 48 Antivirus detection for dropped file 12->48 50 Machine Learning detection for dropped file 12->50 52 Modifies the context of a thread in another process (thread injection) 12->52 54 4 other signatures 12->54 15 explorer.exe 12->15 injected process8 dnsIp9 26 www.swlawfirmok.com 103.224.182.253, 49789, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 15->26 28 www.yufude.com 104.253.94.109, 49788, 80 EGIHOSTINGUS United States 15->28 30 3 other IPs or domains 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 19 systray.exe 15->19         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-24 13:07:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4hwz5lmqm5xkxopqymkagbne76zvq42blkfsxvju52pgruxbn5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e4457b67ffa5012b613997788d6993355a18568bdc30c4c2e76f8ec9313aa0b
Formbook
19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
Formbook
5852e0b1479d914e16a2f1cf21d61ff4e1f3d35b6fa5dbcf0055cfc2c9a89936
Formbook
59139210e96ea7a1ca64dbb343b225be422bc0d3c66a673959b3e8e076bceea7
Formbook
96a54086e0d1667ed27dacd61ce88129d2ae1236718babe4ee5b3054385cc215
Formbook
d544f115e860d3282bd996d7b12ac92c10097d68d135667cca0f847ca754f8ef
Formbook
d78094f3b6eac87e2d4249671bdc4e044afb31e2e78aac8f2db7186c6d5b6db1
Formbook
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
Formbook
+ 11'875 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:seqa loader rat
Link:
https://tria.ge/reports/211124-ree5rsgad7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.hybridsea.com/seqa/
Unpacked files
SH256 hash:
4445e6169ee2064cac414bb32b65e1685546644926bd081026a4c2ea568339a2
MD5 hash:
49786a0dbb57389e948893b125a90c14
SHA1 hash:
cd393e046e71681bd1cfdddd7ee1db3421cd7057
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/00c19f0d-5b3c-43c7-829b-0c36cab7ecdb/
Parent samples :
639d4b0e8dca5185a1783c06b52360ef09df62cc065d0edfd1702cc6d83a025e
e96c0ffc73eec789eab058d77bed0e9246f485bbfada89dbad4b73430461780f
570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b
3b5e31e4b62087dfa7cac1a39c31896d25d465c971fe1db3e9a9271471ce416d
c0064ec7925f6ba2b202bac90707efb73e2c843ad4c946a12fdf3c49be910fbc
0d191570930382397a371a8f1fb19bd8aa7151e2f48090b11a473d65db5e0cb5
be36f7b67439a45588b41b9c19a15bfde3545ddd5eef1366d2610831260d40fb
SH256 hash:
570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b
MD5 hash:
108639e22bac66398ee401211b8f2b6a
SHA1 hash:
e295545fa21f0ae51808e8486cd9b3a7261dbc52
Link:
https://www.unpac.me/results/00c19f0d-5b3c-43c7-829b-0c36cab7ecdb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/570f6cf56c83/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b

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_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Malspam

Formbook

Executable exe 570f6cf56c833b755dcf8618a0182d27fd9ac39a0ad4595ea9a774f346970b7b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/208975/

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