MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c288fba4b7716faf5562f4608d8ad0c1755ae059ba3d69569b60cf38a5f6f695. 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 File information Comments 1

SHA256 hash: c288fba4b7716faf5562f4608d8ad0c1755ae059ba3d69569b60cf38a5f6f695
SHA3-384 hash: efb36be0024afdfa5869afcd0c4e97fb3b3cac7b02c289e4d5b449f6154f72f90c899ff516b1435865692d0a4b4179a8
SHA1 hash: da41c69903e31a80a6fbe5f3f61ef8c613b4f9fe
MD5 hash: c6f5601ba63581dbe88d49dadbad66ac
humanhash: beer-quebec-cup-eighteen
File name:c6f5601ba63581dbe88d49dadbad66ac.exe
Download: download sample
Signature AgentTesla
File size:238'433 bytes
First seen:2021-05-24 06:32:29 UTC
Last seen:2021-05-24 07:02:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:Ds9TxsT4oiRW8y92tGmpDs7cR+UOy+AK9b9:yTe4BURCDpg7vVp
Threatray 5'287 similar samples on MalwareBazaar
TLSH BF34124A62C9D4A7D7A756B12FB7E776E3BF4B403AB10653D7542CAF6822043842324B
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c6f5601ba63581dbe88d49dadbad66ac.exe
Verdict:
Malicious activity
Analysis date:
2021-05-24 06:38:58 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Detected unpacking (changes PE section rights)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 422464 Sample: txdF6eWKUa.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 7 other signatures 2->62 10 txdF6eWKUa.exe 1 23 2->10         started        process3 file4 46 C:\Users\user\AppData\...\msmbhvmde.exe, PE32 10->46 dropped 48 C:\Users\user\AppData\Local\...\System.dll, PE32 10->48 dropped 82 Detected unpacking (changes PE section rights) 10->82 84 Maps a DLL or memory area into another process 10->84 86 Tries to detect virtualization through RDTSC time measurements 10->86 14 txdF6eWKUa.exe 10->14         started        signatures5 process6 signatures7 88 Modifies the context of a thread in another process (thread injection) 14->88 90 Maps a DLL or memory area into another process 14->90 92 Sample uses process hollowing technique 14->92 94 Queues an APC in another process (thread injection) 14->94 17 explorer.exe 3 14->17 injected process8 dnsIp9 50 www.myworkaccident.com 74.220.199.6, 49720, 49721, 49722 UNIFIEDLAYER-AS-1US United States 17->50 52 www.shardulwakade.net 91.195.240.94, 49727, 49728, 49729 SEDO-ASDE Germany 17->52 54 2 other IPs or domains 17->54 64 System process connects to network (likely due to code injection or exploit) 17->64 21 svchost.exe 18 17->21         started        25 msmbhvmde.exe 18 17->25         started        27 msiexec.exe 17->27         started        29 msmbhvmde.exe 9 17->29         started        signatures10 process11 file12 38 C:\Users\user\AppData\...\-39logrv.ini, data 21->38 dropped 40 C:\Users\user\AppData\...\-39logri.ini, data 21->40 dropped 66 Detected FormBook malware 21->66 68 Tries to steal Mail credentials (via file access) 21->68 70 Tries to harvest and steal browser information (history, passwords, etc) 21->70 80 2 other signatures 21->80 31 cmd.exe 2 21->31         started        42 C:\Users\user\AppData\Local\Temp\qtdghlm, DOS 25->42 dropped 44 C:\Users\user\AppData\Local\...\System.dll, PE32 25->44 dropped 72 Multi AV Scanner detection for dropped file 25->72 74 Detected unpacking (changes PE section rights) 25->74 76 Machine Learning detection for dropped file 25->76 34 msmbhvmde.exe 25->34         started        78 Tries to detect virtualization through RDTSC time measurements 27->78 signatures13 process14 signatures15 96 Tries to harvest and steal browser information (history, passwords, etc) 31->96 36 conhost.exe 31->36         started        98 Modifies the context of a thread in another process (thread injection) 34->98 100 Maps a DLL or memory area into another process 34->100 102 Sample uses process hollowing technique 34->102 process16
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2021-05-23 23:34:11 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.personalizedyardsigns.com/xkcp/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

AgentTesla

Executable exe c288fba4b7716faf5562f4608d8ad0c1755ae059ba3d69569b60cf38a5f6f695

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-24 07:23:38 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
3) [C0045] File System Micro-objective::Copy File
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
15) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
16) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
17) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
18) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
19) [C0017] Process Micro-objective::Create Process
20) [C0038] Process Micro-objective::Create Thread
21) [C0018] Process Micro-objective::Terminate Process