agenttesla | 843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6

Analysis

max time kernel
141s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2024 02:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
behavioral2/memory/4720-2-0x00000000051C0000-0x00000000053F0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-3-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-4-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-6-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-8-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-10-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-12-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-14-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-16-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-18-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-20-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-22-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-24-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-26-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-28-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-30-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-32-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-34-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-36-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-38-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-40-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-42-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-44-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-46-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-48-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-50-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-52-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-54-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-56-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-58-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-60-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-62-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-64-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1
behavioral2/memory/4720-66-0x00000000051C0000-0x00000000053EB000-memory.dmp	family_zgrat_v1

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables Discord URL observed in first stage droppers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3672-4891-0x0000000000400000-0x0000000000444000-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

47 discord.com
48 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

41 ip-api.com

flow	ioc
47	discord.com
48	discord.com

flow	ioc
41	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

description	pid	process	target process
PID 4720 set thread context of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

636 3672 WerFault.exe 843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

pid	pid_target	process	target process
636	3672	WerFault.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

pid	process
3672	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
3672	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

description	pid	process
Token: SeDebugPrivilege	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
Token: SeDebugPrivilege	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
Token: SeDebugPrivilege	3672	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe

description	pid	process	target process
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe	843fa4dd9e5d81d150e4d6cd251dc26dafc7409bb4516abebce70114c62548c6.exe
PID 4720 wrote to memory of 3672	4720	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:4720

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:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 2108
3⤵
- Program crash
PID:636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 3672
1⤵
PID:3876

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

Loading Replay Monitor...

Downloads

memory/3672-4891-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3672-4892-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/3672-4895-0x0000000005430000-0x0000000005440000-memory.dmp

Filesize
64KB

Download
memory/3672-4896-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/3672-4897-0x0000000006760000-0x00000000067F2000-memory.dmp

Filesize
584KB

Download
memory/3672-4900-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/3672-4899-0x00000000068F0000-0x000000000698C000-memory.dmp

Filesize
624KB

Download
memory/3672-4898-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/4720-38-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-44-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-6-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-8-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-10-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-12-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-14-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-16-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-18-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-20-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-22-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-24-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-26-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-28-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-30-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-32-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-34-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-36-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-3-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-40-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-42-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-4-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-46-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-48-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-50-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-52-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-54-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-56-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-58-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-60-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-62-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-64-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-66-0x00000000051C0000-0x00000000053EB000-memory.dmp

Filesize
2.2MB

Download
memory/4720-1332-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4720-4884-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4720-4885-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/4720-4886-0x0000000000F40000-0x0000000000FAE000-memory.dmp

Filesize
440KB

Download
memory/4720-4887-0x0000000000E80000-0x0000000000ECC000-memory.dmp

Filesize
304KB

Download
memory/4720-2-0x00000000051C0000-0x00000000053F0000-memory.dmp

Filesize
2.2MB

Download
memory/4720-1-0x0000000000460000-0x0000000000740000-memory.dmp

Filesize
2.9MB

Download
memory/4720-0-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4720-4888-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/4720-4889-0x0000000005630000-0x0000000005684000-memory.dmp

Filesize
336KB

Download
memory/4720-4894-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download