agenttesla | 4e378a7de4a63a76a966ac25f754337bdf511fb24964dbaac7c03ac73103891b

Analysis

max time kernel
27s
max time network
24s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
10-12-2023 13:43

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General

Target

MEGA_UPDATED.exe
Size

3.4MB
MD5

7a2175a604e95018790d38067eba2a89
SHA1

e6023118821c117c2db23098e63b5dc50a4ded00
SHA256

4e378a7de4a63a76a966ac25f754337bdf511fb24964dbaac7c03ac73103891b
SHA512

3c91f92721fd937c78c54cedb74ee87356f0fb01a876b035333ad1a8ecfa63143685d8575145da7a9f48ece3fa1e81a751a6f8e2c6a9f26051375853094dfac8
SSDEEP

49152:RwvTHrg5igXalMD79PjYm3DMdQrp5ZVPEJXzR81XiGRuHDOXG:RIHrgt8RQrp5TMZRSSA0j

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1456-5-0x000000001CC20000-0x000000001CE36000-memory.dmp	family_agenttesla

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

MEGA_UPDATED.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	MEGA_UPDATED.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	MEGA_UPDATED.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	MEGA_UPDATED.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{20BE0001-9762-11EE-8260-66C04E06BBC8} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MEGA_UPDATED.exe

description pid process

Token: SeDebugPrivilege 1456 MEGA_UPDATED.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2764 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2764 iexplore.exe
2764 iexplore.exe
2836 IEXPLORE.EXE
2836 IEXPLORE.EXE
2836 IEXPLORE.EXE
2836 IEXPLORE.EXE

description	pid	process
Token: SeDebugPrivilege	1456	MEGA_UPDATED.exe

pid	process
2764	iexplore.exe

pid	process
2764	iexplore.exe
2764	iexplore.exe
2836	IEXPLORE.EXE
2836	IEXPLORE.EXE
2836	IEXPLORE.EXE
2836	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

MEGA_UPDATED.exeiexplore.exe

description	pid	process	target process
PID 1456 wrote to memory of 2764	1456	MEGA_UPDATED.exe	iexplore.exe
PID 1456 wrote to memory of 2764	1456	MEGA_UPDATED.exe	iexplore.exe
PID 1456 wrote to memory of 2764	1456	MEGA_UPDATED.exe	iexplore.exe
PID 2764 wrote to memory of 2836	2764	iexplore.exe	IEXPLORE.EXE
PID 2764 wrote to memory of 2836	2764	iexplore.exe	IEXPLORE.EXE
PID 2764 wrote to memory of 2836	2764	iexplore.exe	IEXPLORE.EXE
PID 2764 wrote to memory of 2836	2764	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\MEGA_UPDATED.exe
"C:\Users\Admin\AppData\Local\Temp\MEGA_UPDATED.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://t.me/nerestpc_bot
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2764

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
134530147a64664f7e6449d9dfe0f3f3

SHA1
a6452acd19905ff98e5052f07db79dc737465a30

SHA256
0dc894f217dca709d041195f656367c9714b9ae64b7cbffba08761d3ce8494f8

SHA512
0b9022c8241ff167049ce756b9003ab6abe0f409ecabc6e3305ab343bc5f80cd0d39cd84da574392e4a6a9f67447784d610ef2b6599a69b4b349d755a1026e10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
341c3c85bd2342165711c9c821799c67

SHA1
4b4eb83976e648113e69c753c6d7afb4677f45e2

SHA256
704137f13dc6444c9ebd453f77130b44b4c5b6931da0da0741d50ce1a77266f1

SHA512
9408d9e8c368f45ba44de4e51f22394c9e0c70f845005e694f36b008bc06aa25e48cfcbd81855e12514e313a3b059dc8b4d270e8b3fb85a1c6a4a48d1f4025e6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
e7b84113b93d5b38ac70eebb5da5f643

SHA1
8cbbba64b8610583a4200c9c6970f6f6fe66c15a

SHA256
64b56e226aa48dbc11a247ce479371c177fb0c29e005655f08319d60be2746b3

SHA512
7e8148183a3e2f0e91802094ffa47c67f5116ab09e29e16a68abb2c4859dda384d13d37fe5e81eb91d659c05ee9e1f2b27904531de24906b08a9d98c0bcd0b9f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
f4713176125bf26b8949adb488968231

SHA1
326fc2adb56957a320e9dcb75e4b9d627afee0a8

SHA256
92c8203b24d49609ee725ab28d272ffcc4fb313847702acda2e77b17986a357d

SHA512
987690c41a7ebccdbdc9d6359594a444abb9d01cd2222a2be0c75517e19ef199679758055e23364ed4c5207712e7935b92525fee5e04b4d49b411a430f52ac67

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
6153cd43c8649747032f01b915f7fbe9

SHA1
6f900a24a8c6229b3206853275a4a9a2ae809d98

SHA256
e12c47e98f1bb9c1d8e6039a8ee3eb7f695a03172a34ec19b64bb6ff590279ea

SHA512
0b5f64258f7cd044255f7ceda981e10b24eb919785ae2293b51fcf29f09ca3249627ab51fe102e0e99397dd2a48ba65cf6bcc90c2a0b5c9438f9fa4739c9b31d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
5e4691bc5973edb11eb2914108ed53ab

SHA1
12564b4e4ee6f6d0f95a43133ae20771394b0205

SHA256
b0bb8d20a7c8a36e05142fc6123316591dee7335d46cfe1ebd192f7775d92115

SHA512
fe02e1ba380d264dd2611405fca178703669bcf27e959560a34ed42071fc30ee02cd28299214573ce3a1432c36c7a3729e0a3fbbb8ad9beb20e3f35d2ee3da8a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ceac2e14207703e26e6a72f6fe304f25

SHA1
24cffc2bdfb003fa836c3fdcef38c476ba598c19

SHA256
989aaa0c02e32288543cdd5f7f27bc333a3b2c76896735f8382e360d7594fe6f

SHA512
a787cd69dfdb7f486c84d9658a8e9d280428e8e5782b7ed39a6285562603f337cd6ef887834d6997d8adf3a0c1846152052fc78fa8215cedcb815b1fc7b117b3

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
4f73e17f794ae295dac87962fc27d9ef

SHA1
2a657ea762a7e445248f13f4c5f21ff405512a51

SHA256
6e93772a8b7738ced52bc16b95de4af87c2652d61a0df7e04bd0d4b07c4802e3

SHA512
570cd18aa62d6933decd667ec7ac9053d1f782cde5de25c8787e17f754dd68f281a22abb9dbe1dae07934565f5421bfae655409b3b53db63fbde53cd5479c605

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
798f00f7ac49f6475e6a5ec92dbb825f

SHA1
5220cdeb0c1bdcfa1fde47c52c95f4de63aa7440

SHA256
cf7f134613f567b072396aae2b52544c51a257c4c4b90072558bbae28ff05169

SHA512
2f6ee4d6eb1fd15226f11b6552259aa1f09a47c1c8e3baaba911ef419df882d776855675c0686bf3f4cdcd8e7deef6dc658414803bc5e1f76fb0b9816a62e560

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8604.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8705.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1456-12-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/1456-3-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1456-1-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/1456-0-0x0000000001060000-0x00000000013C2000-memory.dmp

Filesize
3.4MB

Download
memory/1456-2-0x000000001B740000-0x000000001B7C0000-memory.dmp

Filesize
512KB

Download
memory/1456-7-0x000000001B740000-0x000000001B7C0000-memory.dmp

Filesize
512KB

Download
memory/1456-6-0x000000001B740000-0x000000001B7C0000-memory.dmp

Filesize
512KB

Download
memory/1456-5-0x000000001CC20000-0x000000001CE36000-memory.dmp

Filesize
2.1MB

Download
memory/1456-4-0x000000001C1C0000-0x000000001C2A0000-memory.dmp

Filesize
896KB

Download
memory/1456-377-0x000000001B740000-0x000000001B7C0000-memory.dmp

Filesize
512KB

Download
memory/1456-496-0x000000001B740000-0x000000001B7C0000-memory.dmp

Filesize
512KB

Download