MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc
SHA3-384 hash: 4e10c8f2fd370515182931862f7822c1bc94fa37de0b9842e3af2038a975836ba0ac82e51e2c9aa03cffae9695e2d838
SHA1 hash: 5fd5e46dc9a53b5af49fcac45f52d3ccd60114b4
MD5 hash: 9bb7f3b0c32cc58c27054de628206cee
humanhash: uniform-hawaii-magnesium-march
File name:SecuriteInfo.com.Win32.RATX-gen.5138.32043
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'280 bytes
First seen:2023-11-15 01:16:41 UTC
Last seen:2023-11-15 14:19:43 UTC
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:DSprtFnXkIxN/9PCfsC6jf0ftLoydvr8yj2+/DV+3:6pF0AN/S2fstsyw+
Threatray 74 similar samples on MalwareBazaar
TLSH T1320507BF6B8C213384B9D693C3A3E066F17FC8A7723A5E2524D3DA914687A0774C521D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.5138.32043
Verdict:
Malicious activity
Analysis date:
2023-11-15 01:17:06 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/ab861103-a0d9-4b1e-aff2-5cd095005a1b

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/458637/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.RATX-gen.5138.32043.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin packed
Link:
https://www.filescan.io/uploads/65541c0f1f0e5a95b55b834e/reports/64244484-2022-4839-ac23-65331250e31b/overview
Verdict:
Malicious
Labled as:
TrojanS.C5A2F73F
Link:
https://www.hybrid-analysis.com/sample/a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc
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:
Malicious
Link:
https://analyze.intezer.com/analyses/20c1b83e-f6d6-47e6-9a42-bb5226a7c048
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1342750
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1342750 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 15/11/2023 Architecture: WINDOWS Score: 100 54 www.ikun720.xyz 2->54 56 www.vjty2974.com 2->56 58 11 other IPs or domains 2->58 68 Multi AV Scanner detection for domain / URL 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 76 8 other signatures 2->76 10 NDcHssmvHjwDQe.exe 5 2->10         started        13 SecuriteInfo.com.Win32.RATX-gen.5138.32043.exe 7 2->13         started        signatures3 74 Performs DNS queries to domains with low reputation 54->74 process4 file5 78 Multi AV Scanner detection for dropped file 10->78 80 Machine Learning detection for dropped file 10->80 16 NDcHssmvHjwDQe.exe 10->16         started        19 schtasks.exe 1 10->19         started        21 NDcHssmvHjwDQe.exe 10->21         started        29 2 other processes 10->29 50 C:\Users\user\AppData\...50DcHssmvHjwDQe.exe, PE32 13->50 dropped 52 C:\Users\user\AppData\Local\...\tmp4BD8.tmp, XML 13->52 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 13->82 84 Adds a directory exclusion to Windows Defender 13->84 86 Injects a PE file into a foreign processes 13->86 23 powershell.exe 23 13->23         started        25 schtasks.exe 1 13->25         started        27 SecuriteInfo.com.Win32.RATX-gen.5138.32043.exe 13->27         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 16->66 31 SRpghoZDgkOCAjPaVHaCofrVcK.exe 16->31 injected 34 conhost.exe 19->34         started        36 conhost.exe 23->36         started        38 conhost.exe 25->38         started        40 WerFault.exe 22 16 27->40         started        process9 signatures10 96 Maps a DLL or memory area into another process 31->96 42 mstsc.exe 13 31->42         started        process11 signatures12 88 Tries to steal Mail credentials (via file / registry access) 42->88 90 Tries to harvest and steal browser information (history, passwords, etc) 42->90 92 Writes to foreign memory regions 42->92 94 3 other signatures 42->94 45 SRpghoZDgkOCAjPaVHaCofrVcK.exe 42->45 injected 48 firefox.exe 42->48         started        process13 dnsIp14 60 www.yokaiph.store 185.27.134.59, 49722, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 45->60 62 www.flyoceanplanter.com 103.207.161.180, 49724, 49725, 49727 QUICKPACKETUS India 45->62 64 5 other IPs or domains 45->64
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-15 01:17:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgm7uczmcooil25wum6mc6cxo6rth3u3jeoknfwxo2eh63ieac6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
1e6327a5456f3aac77ec28cc80c9f9f8cff8a157a25a8a2f597764dcbccce3ea
AgentTesla
4d305c7b6bd72d5b82c7d3610e3d361983ffda1060b240cde90ca7920bdef685
AgentTesla
777c4e75052752ee1f5ccad536e28dc1bc5d8436892bbbcc86a7cf69d581ab8f
AgentTesla
965ba13c271f1b9e9317c713d9b75e2fbe2d439610204e37f6142e166e58ac23
AgentTesla
a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc
AgentTesla
d3e71a337d58b6ae1f49be4a5d89258ce11dc33b86c0a6f3ca93c16170dc500c
AgentTesla
e250eef1eaea9092ecaa3ecd7a94b02720a9fb2aadd9c8a3b234e52ed7710ae8
AgentTesla
+ 64 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231115-bnc4rsba7w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
70eb4be22afb932e00b9399773143dcdd05dbea299c6317f5ab12252a6321069
MD5 hash:
a566c442e4e0abd7afe0f3b63ed0fd96
SHA1 hash:
9456cb8d983ba150ea4e523a42918dbcb8389982
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
Parent samples :
3e419261ca6ed4120e6fe81d8733639c83bea1927940ba6f5e86874789c7c64c
b5aae370f7b29f63c9dd24562d16b7a77bda593fbe4d2f316046cdb444e343f6
a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc
333634b6e8955d62af9c246e72b31fb40bea3344adf37fe96a1a02d31cc5c43f
SH256 hash:
ff83bf12a3c8d4d680dcfe30d1ece0de08992fc178d0f9c43e4e5fa43c580ab7
MD5 hash:
3e451521373dd03444a2dd5cb711fa77
SHA1 hash:
a7069336240fb6f51e385efebc41845f81300433
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
b689ba12dc6d9ab85c9892e77382ace9eecd4de108217dc0fcf99d2de9445edd
MD5 hash:
6c90b45e64f3b3c5fd6069dcca24a56b
SHA1 hash:
fa122493f28290526fd758d9a1a0e005e932215d
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
5477d9f10b8dff30622344ea50ea7dd684902689c8fd81401b2d9fc4bf6cd7ce
MD5 hash:
d8a3eee3e01cca1e85a2287f83194af3
SHA1 hash:
cdcfc37be2ae4853eb1284d02ffa41708abe1534
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
9a87b21488322d634b292ae39a2c1e30b9318d1fe9431b71d76e4bdb2795a219
MD5 hash:
8c2a704ac9c1fbb6d781fb9625c46592
SHA1 hash:
ca134d2ae0d384761c9f4a07107529056b0b503b
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
621d69799abb6cb1d4b597f4d3ca2801286ac618753c3f0f1a9e65ea5f264735
MD5 hash:
36a80767425d499c49e9dbd2158c09d0
SHA1 hash:
c8453215d44644e675318501269f1bca0e624fda
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
8b6de985c0c3d33c15c35e02705f8e991383f238daeaee50d085307710612526
MD5 hash:
df0c1aed227774e94d15f34e64b33027
SHA1 hash:
b0eb21e8f36ab05f34ab6d6d3acaa001fc39b2ea
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
1172bebbbc7369ca380610516689d8957769421c2567b537cac493bcadf047a6
MD5 hash:
9674c8fc8e963e135141dfe0fbd5b787
SHA1 hash:
a3f678964b9a904ba7deda919fca65e0e5e0b505
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
4d4923528bc04dee9c956141379b7d6f59fa945459549903d7d14b662df2996b
MD5 hash:
2987758231094d0574c01959ca4b751b
SHA1 hash:
169736ff2a6fbbcd463a44db544584fecaf17189
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
SH256 hash:
a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc
MD5 hash:
9bb7f3b0c32cc58c27054de628206cee
SHA1 hash:
5fd5e46dc9a53b5af49fcac45f52d3ccd60114b4
Link:
https://www.unpac.me/results/f31eaa01-85e9-4abb-b5ae-4a978fc6ce5e/
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/a999fa0b2c139c85ebb6a33cc1785777a333ee9b491ca696d776887f6d0400bc

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/458637/

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