MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a
SHA3-384 hash: 4f40d0c677cdbfc5cc1c0b233d5098ad558fdcb8c3a69c27ef24e13ba32c4bdd79465297067e1e2f0124740056a0c3ca
SHA1 hash: ddcb5c3ef96ec026ba263f1ea6d6a0824f22f885
MD5 hash: ba13b0dd8f95266e42a9e169b501c111
humanhash: october-magazine-harry-spaghetti
File name:JERJvJLKLeASMET.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'133'568 bytes
First seen:2022-02-15 00:17:53 UTC
Last seen:2022-02-15 01:54:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:vgDw45v9tM0L54dF+IRKkHKc4hNpaJhMFb9uYF9Aq+:vgD19tM0N4dF+HyqLaJhMFRuo5+
Threatray 14'694 similar samples on MalwareBazaar
TLSH T10D352200BB37B374C4B20BF94AF7853662B4AA1D1022DF7BACB735C91672224797547A
File icon (PE):PE icon
dhash icon 65615111416d0763 (5 x AgentTesla, 2 x Formbook, 1 x a310Logger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241492/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.25904.13670.27388.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/620af14ca2660f3bb9d48f0f/reports/343f1ff1-4e03-4a62-82eb-51ee50a8a93b/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29fe5afc-882d-48d2-9510-3e76cfec6713
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/939823
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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 sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 572298 Sample: JERJvJLKLeASMET.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 29 pas-shipping.com 2->29 31 mail.pas-shipping.com 2->31 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 7 JERJvJLKLeASMET.exe 3 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        signatures3 process4 file5 23 C:\Users\user\...\JERJvJLKLeASMET.exe.log, ASCII 7->23 dropped 49 Writes to foreign memory regions 7->49 51 Injects a PE file into a foreign processes 7->51 15 RegSvcs.exe 2 4 7->15         started        19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        signatures6 process7 file8 25 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 15->27 dropped 33 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->33 35 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->35 37 Modifies the hosts file 15->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-15 00:18:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 42 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdicvsvokbeb75wxhmw6dbrqd7xif26uv4enk6ynbfw5ed5y6yva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01b7ecba4c040bd3c352b2023e1f7f38c2b2ef741f23a91301153f03760d3505
AgentTesla
285a61210326ff7f555c101bd70e19297a0eae42d1cb60a054c9b3827476920a
AgentTesla
2de7824f180b44cb2d2dda8ce99480abe6144f5f039322a919417c7ebe2abe68
AgentTesla
9a32438b609219ba5ba27799f7c8bebbfa01ebef654bd5b7c0be7de414ab0eec
AgentTesla
a13c67016d8ebd9f71b554001b394511b8dbe7f67bbed30d68907eec0e2be987
AgentTesla
acf07e3a8e5eab40aaa587590fe81ec7a98b0eb238d5640a857495500a9df71a
AgentTesla
bc297a5178f17d2b1f7c69649155df74086c99486c2caa5a1117fd45f52f41fa
AgentTesla
d1fea52507fc97ff419f8dd2ea8ecf689fb7c066cf8f18453378e95bf399c3d6
AgentTesla
da599a875bc329ff6666771a7b7df56e40a4727fd7e6261828aa8cd545a7a587
AgentTesla
+ 14'684 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220215-alnxtaaeh2/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
4b76626da7377630f02d1f58d997edfd96e85f9577e2b8823d8c9b04f4040bda
MD5 hash:
0336f715f445476eb46609498a9f4790
SHA1 hash:
fd546b811eecad6f7fdb4229295e2b7f33588267
Link:
https://www.unpac.me/results/f0035eb6-b166-4fff-b7b4-6d2a736b15eb/
SH256 hash:
659de06f52f7ab4a626ccb4c5bc603d3cbea488526ae87f22735febc10d9b20b
MD5 hash:
7b923383b01ae94d7ffaff887296db47
SHA1 hash:
d3e57a7e85b3a786b7f49a7ba4f3a8680856506f
Link:
https://www.unpac.me/results/f0035eb6-b166-4fff-b7b4-6d2a736b15eb/
SH256 hash:
3ca74eb4ce4c2c5604dc298949ae47996d93063abfde0682d689205561d17d44
MD5 hash:
4e35b541f3d9162d0ac93d336df67779
SHA1 hash:
bb9e65761186806d4bada659e9d5db0c070501d4
Link:
https://www.unpac.me/results/f0035eb6-b166-4fff-b7b4-6d2a736b15eb/
SH256 hash:
c9096c5b3f1bddb2d52ed826d44c6dbda03069cfc18875b98c3959db47360a81
MD5 hash:
221ee467791fddcddd9ba05ab689b2ef
SHA1 hash:
45a98a7103279edcb4b3ef3397dca4dbbe6fae2a
Link:
https://www.unpac.me/results/f0035eb6-b166-4fff-b7b4-6d2a736b15eb/
SH256 hash:
38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a
MD5 hash:
ba13b0dd8f95266e42a9e169b501c111
SHA1 hash:
ddcb5c3ef96ec026ba263f1ea6d6a0824f22f885
Link:
https://www.unpac.me/results/f0035eb6-b166-4fff-b7b4-6d2a736b15eb/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/38d02acaae50/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a

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: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

AgentTesla

Executable exe 38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241492/

Comments