MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c. 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


AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c
SHA3-384 hash: 5bc19032e588cd3738dc33ee2527dff3d8b4dc0537507e052c8fe16b51afcfd01f097a14c8fe53f972fd2899bcc8d1f3
SHA1 hash: 5cd09926f08254771d59b1abe73a32d09c919f55
MD5 hash: c9963e3f02dea89e2945255279111dbc
humanhash: lima-dakota-uniform-lion
File name:fda.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'560'064 bytes
First seen:2021-01-20 04:26:49 UTC
Last seen:2021-01-20 05:53:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/n9IeX6GqaKBroECo42Y1e0LwsRUjCvOqD7QbB7fiVYUWskc8r/9suR0nube/:fR/K2pgYUGwsRoBBiVYUeb/9Gp
Threatray 2'202 similar samples on MalwareBazaar
TLSH E875AF112288AF18F17D8737D8B884B787F9FC209B22C91EBDD5769D9971B919E07203
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fda.exe
Verdict:
Malicious activity
Analysis date:
2021-01-20 04:28:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/634a1ea4-8936-417b-a921-0e03eb2953c5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/113000/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.516.10049.14544.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/585758
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341911 Sample: fda.exe Startdate: 20/01/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 10 other signatures 2->58 7 fda.exe 7 2->7         started        11 CsGlckR.exe 2 2->11         started        13 CsGlckR.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\fcbiwpBUCVea.exe, PE32 7->32 dropped 34 C:\Users\...\fcbiwpBUCVea.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmpE173.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\Local\...\fda.exe.log, ASCII 7->38 dropped 60 Writes to foreign memory regions 7->60 62 Allocates memory in foreign processes 7->62 64 Injects a PE file into a foreign processes 7->64 15 RegSvcs.exe 17 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 40 rosaritoindustries.com 74.124.195.209, 49744, 587 IMH-WESTUS United States 15->40 42 mail.rosaritoindustries.com 15->42 28 C:\Users\user\AppData\Roaming\...\CsGlckR.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->46 48 Tries to steal Mail credentials (via file access) 15->48 50 5 other signatures 15->50 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-01-19 11:22:31 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4jb7j2ci3tmysw4yhcjuc3ey6lykheldxsfc2xktx4cpmpqkpqwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
134447d4a42fa0c68719a166022b19728ab3b771a025fcb40b9e01eb0472bd8b
AgentTesla
14ee2894b546ba6d7835ee4dd8e07ef72fb10bfaebec8f1687da4559267cb72e
AgentTesla
4990b0164b660d9e8966fb35fc3d5f4f30b42c7e3861a14fc9255075b129c86e
AgentTesla
5c7b804890877a7a9da085d878b0fc1a444aa1b75965e16beab74c978fab6079
AgentTesla
750292519a4b694e981556bdaec9c5b568ac54f1b9cb52fc1f740cd45b2748ec
AgentTesla
9bf3bb9e44490d5836c31036a78c59c92a51d8f6bfb33363d8c617d27967ff3f
AgentTesla
c5f444d3e3808d7323e4beabeeb3fd254fc9b458157aea384873fd1dbc059e82
AgentTesla
e56fe870da3015a5537b82acf5b9228953cafa74235b5c9257eaf049a6045cc6
AgentTesla
e7063cc17e4ab85b0ae947f6366f4a955758d2e3ef81bb2476f77aec1f77daae
AgentTesla
ff8d39974554acf40538107995f0f6b000be41747ca6c34dae415df33596d5a3
AgentTesla
+ 2'192 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210120-a4tfva9jta/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
52d35fabfc97d3e903b5d9eb253e8f84d1dfee2967fa9dde6d6ca37cc61951c5
MD5 hash:
b5a7f2596efe4c5fc5f5d2c733d49259
SHA1 hash:
c121578124375dc293e4daf12fac22442a8131b6
Link:
https://www.unpac.me/results/e2ee4808-6bdc-4b9a-96dd-62454f4ef6a3/
SH256 hash:
547c0f21d521c13537ba7209daad1325bcb1bd9f5b7291b83200c104d017e799
MD5 hash:
700d485d595fc9a13fc03e844f3471de
SHA1 hash:
6edbe043ade5d99653020d4896f841eda224d031
Link:
https://www.unpac.me/results/e2ee4808-6bdc-4b9a-96dd-62454f4ef6a3/
SH256 hash:
981802aec4c876da79e01f0ff0579a48032e5942ecd3f9c5766c64d78936cb7d
MD5 hash:
9e7a8a4676a67477bcc465c0649e6c49
SHA1 hash:
143452b3be001c62fc511c457573f54357781bce
Link:
https://www.unpac.me/results/e2ee4808-6bdc-4b9a-96dd-62454f4ef6a3/
SH256 hash:
e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c
MD5 hash:
c9963e3f02dea89e2945255279111dbc
SHA1 hash:
5cd09926f08254771d59b1abe73a32d09c919f55
Link:
https://www.unpac.me/results/e2ee4808-6bdc-4b9a-96dd-62454f4ef6a3/
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/e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip 2dfbbf1fe003d806e29d8fafa172ce31f3188eac4184630b0300090bf0a08bd0

AgentTesla

Executable exe e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c

(this sample)

  
Dropped by
MD5 86540379884ae023bfb35102671fa717
  
Dropped by
SHA256 2dfbbf1fe003d806e29d8fafa172ce31f3188eac4184630b0300090bf0a08bd0
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/113000/

Comments