agenttesla | 843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6

Analysis

max time kernel
122s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-03-2024 02:24

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General

Target

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
Size

2.8MB
MD5

73f2aa0989d9fcb98763fbb461422f9f
SHA1

27b4d0302c43e95c19942eea9dea94d673e18578
SHA256

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6
SHA512

040c671c5f1bf2eecc391680ce18f728d4c818b170d9e240541f2cfc8fa1f160c6f3feeacec78ccbfcd0010694c9a17acf926e0c0a9b8a7145bc199970dd7abd
SSDEEP

49152:A7XLm8xI2nCY8EoVZT6JGsBp0PWInu9vxnBoqdWGJa/3HWPWar:mbmJYpoVwlpuWX9l3a/3HMWa

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discord.com/api/webhooks/1220536277670170814/IOSQHt77jsZT7zo7kkUiyq8x8TaToq4-BxVLqMXGe4ffWubgOFeoq2CnEl3NjjJYkJNd

Signatures

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

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2032-2-0x0000000004D50000-0x0000000004F80000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-3-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-4-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-6-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-8-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-10-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-18-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-24-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-28-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-34-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-40-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-46-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-50-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-56-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-62-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-66-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-64-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-60-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-58-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-54-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-52-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-48-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-44-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-42-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-38-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-36-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-32-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-30-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-26-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-22-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-20-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-16-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-14-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2032-12-0x0000000004D50000-0x0000000004F7B000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables Discord URL observed in first stage droppers 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL

Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

6 discord.com
7 discord.com
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com

flow	ioc
6	discord.com
7	discord.com

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

description	pid	process	target process
PID 2032 set thread context of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

pid	process
2520	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
2520	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

description	pid	process
Token: SeDebugPrivilege	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
Token: SeDebugPrivilege	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
Token: SeDebugPrivilege	2520	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

description	pid	process	target process
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 2032 wrote to memory of 2520	2032	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

C:\Users\Admin\AppData\Local\Temp\843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
"C:\Users\Admin\AppData\Local\Temp\843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032

C:\Users\Admin\AppData\Local\Temp\843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
"C:\Users\Admin\AppData\Local\Temp\843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD225.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2032-44-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-1-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-4-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-6-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-8-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-10-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-18-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-24-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-28-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-34-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-40-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-46-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-50-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-56-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-62-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-66-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-0-0x0000000000E80000-0x0000000001160000-memory.dmp

Filesize
2.9MB

Download
memory/2032-60-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-58-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-54-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-52-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-48-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-38-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-3-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-64-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-36-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-32-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-30-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-26-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-22-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-20-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-16-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-14-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-12-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-4883-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/2032-4884-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2032-4885-0x0000000000DD0000-0x0000000000E3E000-memory.dmp

Filesize
440KB

Download
memory/2032-4886-0x0000000004980000-0x00000000049CC000-memory.dmp

Filesize
304KB

Download
memory/2032-4887-0x0000000004CA0000-0x0000000004CF4000-memory.dmp

Filesize
336KB

Download
memory/2032-4896-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-42-0x0000000004D50000-0x0000000004F7B000-memory.dmp

Filesize
2.2MB

Download
memory/2032-2-0x0000000004D50000-0x0000000004F80000-memory.dmp

Filesize
2.2MB

Download
memory/2520-4902-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/2520-4900-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-4901-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-4940-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download