MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591. 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: 77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591
SHA3-384 hash: 32a6a420d2a456458a45d36c09cf2d53414eff7a060fe58d51c168827fa8f1a53d218796c3af26384d48a0eaf70a94d1
SHA1 hash: e6fa6fd5ba31f7d647c28c492b1746169edb3f40
MD5 hash: 069b2d5dc58f4319986b589fb5933ce9
humanhash: angel-bluebird-connecticut-rugby
File name:chim.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:665'600 bytes
First seen:2022-10-21 13:22:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:HN2W9PCQo4EIY5r6Hv4094l4EH6S889SFLDSnM2CAzN5UZJWPjZW:Qbb8CH6xLDSj5eW
Threatray 19'469 similar samples on MalwareBazaar
TLSH T112E4E0BD17414E53DC3CA17DCCA08154C3FCE8EE6415F69E3E9330998AE57BE42929A2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon dcc2ccecececc2dc (3 x AgentTesla, 1 x RemcosRAT, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
chim.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 13:24:30 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/858267ee-01c9-41f0-b79d-67cc5f01e437

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/322315/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63529d37898b0652a4b93efd/reports/85036b7b-8d89-47d8-b0a8-14d2dcacb8f7/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1fc973dd-dd8e-42dd-9b2d-8fb44e035b77
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094927
Signature
.NET source code contains very large array initializations
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727568 Sample: chim.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Sigma detected: Scheduled temp file as task from temp location 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 7 wrtoAbNNzsOqH.exe 5 2->7         started        10 chim.exe 6 2->10         started        process3 file4 51 Multi AV Scanner detection for dropped file 7->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 May check the online IP address of the machine 7->55 57 Machine Learning detection for dropped file 7->57 13 wrtoAbNNzsOqH.exe 14 3 7->13         started        17 schtasks.exe 1 7->17         started        27 C:\Users\user\AppData\...\wrtoAbNNzsOqH.exe, PE32 10->27 dropped 29 C:\Users\user\AppData\Local\...\tmp47D8.tmp, XML 10->29 dropped 31 C:\Users\user\AppData\Local\...\chim.exe.log, ASCII 10->31 dropped 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 10->61 63 Injects a PE file into a foreign processes 10->63 19 chim.exe 15 3 10->19         started        21 schtasks.exe 1 10->21         started        signatures5 process6 dnsIp7 33 192.168.2.1 unknown unknown 13->33 35 api.ipify.org 13->35 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->65 67 Tries to steal Mail credentials (via file / registry access) 13->67 69 Tries to harvest and steal ftp login credentials 13->69 71 Tries to harvest and steal browser information (history, passwords, etc) 13->71 23 conhost.exe 17->23         started        37 mail.aqribility.com 162.241.27.28, 49700, 49704, 587 UNIFIEDLAYER-AS-1US United States 19->37 39 api.ipify.org.herokudns.com 3.220.57.224, 443, 49699, 49703 AMAZON-AESUS United States 19->39 41 api.ipify.org 19->41 25 conhost.exe 21->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 05:12:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7ta7bw7kat3lto5ct5r4cwmh2ncyvcw57xkqmirru3bqa2yywiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2d4e9b33851949bd81869d7ce2609cb9694ca946cdc3657fd449693170878448
AgentTesla
66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5
AgentTesla
a0b715dbe6410280098b511f7cf95b466c14f15de32ed2cd79744d2ebd7ad8ff
AgentTesla
ab828ebbb7925536f94b2fe3f34100bdc8326589deb88e90dd3490893495f19c
AgentTesla
bc123960f09aa291db84c5e7d73412fad81939bb5a57459e94cd7d522b4ee193
AgentTesla
cf633ec437e48b72f1bbf05a6f21ace7b94686afa55a6c473ff72ef6d4dc1bc7
AgentTesla
f6f06166948a55fcb84416c7a3f410e36a086c4a86980d2571e0055a5e1ff9af
AgentTesla
+ 19'459 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221021-qmsv6adcbj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/125f03ea-3690-4977-b7cb-c7e3752027e9
Unpacked files
SH256 hash:
de95e06f9e4a039a30b9182ee0250b8fbd2f49c4dae03cbe939f1e1e175c569f
MD5 hash:
7bb59f5b7ed1ab3db91ef810e25ddf76
SHA1 hash:
62bb234458314aae8652e5552aa2136259ed7209
Link:
https://www.unpac.me/results/acd19402-6556-4ed7-b779-5a2cec8b2e3b/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/acd19402-6556-4ed7-b779-5a2cec8b2e3b/
SH256 hash:
5b304d73fd7ede6995c58572884eef2ab9ae3ce5ee68455ac3137a6fa0ccdd64
MD5 hash:
986fa5a5f1ef1bbadb22677e4f732374
SHA1 hash:
596f61ab29a6f31e199bd75828e5ec65c2dec493
Link:
https://www.unpac.me/results/acd19402-6556-4ed7-b779-5a2cec8b2e3b/
SH256 hash:
77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591
MD5 hash:
069b2d5dc58f4319986b589fb5933ce9
SHA1 hash:
e6fa6fd5ba31f7d647c28c492b1746169edb3f40
Link:
https://www.unpac.me/results/acd19402-6556-4ed7-b779-5a2cec8b2e3b/
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/77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591

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 77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322315/

Comments