agenttesla | 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 14:15

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General

Target

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Size

542KB
MD5

a5b21b2b487ef822fa7564a5a6833e10
SHA1

658b3e8680f568b6ae557bbc14cefbf8ce6cc54d
SHA256

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527
SHA512

8f3bde613d093b50277a60accfea4adf8e7c5eaccc9bfbe2684e6271ed20e6e3ebe38c9ce20b9f820a628b0deb48a3f0c4f9907af42dcd540ab6ae5c8ae804a6
SSDEEP

12288:reCLyNx2qdIzjxxtoHzWb+xDuKLDKg4rUQqS0JFy/ykYPEvGT+KsjE:rebNwqaz9jszK+xiKvt4rUM0JFyFYPg8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
behw orok mlzk zmzt
Email To:
[email protected]

Signatures

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

Loads dropped DLL 2 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

pid	process
4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

37 api.ipify.org
38 api.ipify.org
Drops file in System32 directory 1 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\kaleb.ini 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

pid process

2004 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

flow	ioc
37	api.ipify.org
38	api.ipify.org

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\kaleb.ini	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

pid	process
4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
2004	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

description	pid	process	target process
PID 4652 set thread context of 2004	4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

Drops file in Program Files directory 1 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\skitserer.ini	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

pid	process
2004	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
2004	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

pid process

4652 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

description pid process

Token: SeDebugPrivilege 2004 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

description	pid	process
Token: SeDebugPrivilege	2004	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

description	pid	process	target process
PID 4652 wrote to memory of 2004	4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
PID 4652 wrote to memory of 2004	4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
PID 4652 wrote to memory of 2004	4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
PID 4652 wrote to memory of 2004	4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
PID 4652 wrote to memory of 2004	4652	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe	55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe

C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
"C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
  "C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsf6DD3.tmp

Filesize
15B

MD5
232ea7835f5abeffc769949d0bad82bf

SHA1
d8183e34d3c48afb0f7598a4dc11182218d7e9fe

SHA256
384e1fc0d130aa5cbfa9077f6de89b555e096afb67cd2dd827933b992549e69c

SHA512
e552cc1f310029859899ab726b70ef38c08026af5e0c125c58e9b31005d8c2fd2d636d8bb3aaf8a039aa3450f058c038186da34b63e883e3613049a6df6905e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf6DD3.tmp

Filesize
27B

MD5
4957153fabb445fb18c9ebc9c311f34d

SHA1
d12d7a2c8a4b61bae681b19b9a07a06a0d0d4632

SHA256
fbaa92d310219f370662dbcb3d8023c007b4786d0bf979228690d4df2cf89c91

SHA512
4c0ee80abbe5748e3b794982585dc819c57f59429ef47ab628a801d05752daea92e7ef97088556b5411a49e8724157ee748a0e40c3efc0962927783fc1a44cd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsj6B80.tmp

Filesize
1B

MD5
8ce4b16b22b58894aa86c421e8759df3

SHA1
13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

SHA256
8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

SHA512
2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
5B

MD5
e2fecc970546c3418917879fe354826c

SHA1
63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

SHA256
ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

SHA512
3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
6B

MD5
50484c19f1afdaf3841a0d821ed393d2

SHA1
c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

SHA256
6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

SHA512
d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
7B

MD5
67cfa7364c4cf265b047d87ff2e673ae

SHA1
56e27889277981a9b63fcf5b218744a125bbc2fa

SHA256
639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

SHA512
17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
8B

MD5
c3cb69218b85c3260387fb582cb518dd

SHA1
961c892ded09a4cbb5392097bb845ccba65902ad

SHA256
1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

SHA512
2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
10B

MD5
9a53fc1d7126c5e7c81bb5c15b15537b

SHA1
e2d13e0fa37de4c98f30c728210d6afafbb2b000

SHA256
a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

SHA512
b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso68E0.tmp

Filesize
53B

MD5
10199d1a3ae016e1d305e5d1bee32235

SHA1
d33b9eccd70c809f4cc8b593b966f9a2f038eb56

SHA256
03ab4158e289eb80d068e5a259aac5d6f9312123a700d252e6f687a7c53fe707

SHA512
88a645838eb09045eec02a4fb409744e60e15609965702c414b971ab76749627e35d0ab5d37a261df9056438d31c68fffe3adae3e977430582dc8ccf585a06a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss663D.tmp

Filesize
74B

MD5
16d513397f3c1f8334e8f3e4fc49828f

SHA1
4ee15afca81ca6a13af4e38240099b730d6931f0

SHA256
d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36

SHA512
4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss663E.tmp\System.dll

Filesize
11KB

MD5
8b3830b9dbf87f84ddd3b26645fed3a0

SHA1
223bef1f19e644a610a0877d01eadc9e28299509

SHA256
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

SHA512
d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy6833.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy6833.tmp

Filesize
25B

MD5
d3144a48344fb7e92143afd22844d684

SHA1
5125040cc4ae70e7d78bc767cba0bca8238e21ac

SHA256
094fe155451e834d551457304fa995d544fde9079944bb275f6b4bc158e25e2d

SHA512
98b0a5f95b730738f02e04c7ed2906d0a7bdbbfab7ffe34c2317f36ceff0a9fae3068f0a4a17d8829c1e6355984e19c50c399e4b7ae2c81a568adf826fcbcb37

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy6833.tmp

Filesize
51B

MD5
b61b2f1546b29486a8a0d25e1cba7721

SHA1
c19a4677b46a71e1624d77b3af0af2411c57f6b1

SHA256
15f6b52edd0bf33f8fbc357d9fdc3287d97e51227eeb0a21dc58a3337d9fa692

SHA512
429c3b7917cd2ef31765683ac06f434aa5081e0113ccad168312a696e3c66ba36834113068f6ef2e291918db80617d347ea1f5c81c32b0f17702925407779cd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy6833.tmp

Filesize
49B

MD5
1aeb67240bc704bf6cc2fa0a6f52a970

SHA1
0d5cbc71d7e606e7f1a68332be8a7a5a7b4be02d

SHA256
bbd283b5a658ac95e8811c820de41f911e7559e982d9378b5b14c3f7cb5ccb6d

SHA512
c64bdb3c49ff5ca422fe5a4a03fac5145072f7cf692addc23e811ce39c25fc7fcb8e15a07fd770eb8d392d86cfc12c3520b080899a4d2c85646c09b181f2b47c

Download Submit
C:\Windows\SysWOW64\kaleb.ini

Filesize
45B

MD5
9dfd97e7025bf54441fe6759f87e5ddf

SHA1
0f04ae6a7bc2213255fc72898f339b12bd743f24

SHA256
eea1bdc93e5a8fcbca0aea236d83b487ad2af028095a0d0107f02d397b4372fb

SHA512
08ea09b23814906f040060b46d919d45f6aee0c96b27d0baa88813bc46032c274546adb89e354b78f659c962a8588adbbd49966951e1f1b097e2484a07678f44

Download Submit
memory/2004-846-0x0000000000490000-0x00000000004D2000-memory.dmp

Filesize
264KB

Download
memory/2004-849-0x0000000071C20000-0x00000000723D0000-memory.dmp

Filesize
7.7MB

Download
memory/2004-841-0x0000000077478000-0x0000000077479000-memory.dmp

Filesize
4KB

Download
memory/2004-842-0x0000000077495000-0x0000000077496000-memory.dmp

Filesize
4KB

Download
memory/2004-843-0x0000000000490000-0x00000000016E4000-memory.dmp

Filesize
18.3MB

Download
memory/2004-844-0x00000000773F1000-0x0000000077511000-memory.dmp

Filesize
1.1MB

Download
memory/2004-845-0x0000000071C2E000-0x0000000071C2F000-memory.dmp

Filesize
4KB

Download
memory/2004-856-0x0000000071C20000-0x00000000723D0000-memory.dmp

Filesize
7.7MB

Download
memory/2004-847-0x00000000383F0000-0x0000000038994000-memory.dmp

Filesize
5.6MB

Download
memory/2004-848-0x0000000036040000-0x00000000360A6000-memory.dmp

Filesize
408KB

Download
memory/2004-855-0x0000000071C2E000-0x0000000071C2F000-memory.dmp

Filesize
4KB

Download
memory/2004-850-0x00000000392B0000-0x0000000039300000-memory.dmp

Filesize
320KB

Download
memory/2004-851-0x0000000039300000-0x0000000039392000-memory.dmp

Filesize
584KB

Download
memory/2004-852-0x00000000393D0000-0x00000000393DA000-memory.dmp

Filesize
40KB

Download
memory/4652-840-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/4652-839-0x00000000773F1000-0x0000000077511000-memory.dmp

Filesize
1.1MB

Download