agenttesla | b37c5a75cb114df4c9d918cc41e3afd02de7a1d1c2ea5fc1e60413e229d24817

General

Target

file30028.exe
Size

907KB
MD5

c57847b414a71896c6b912649eaafe03
SHA1

a96ba25b276854b7b11c846329fe64088706ebb8
SHA256

b37c5a75cb114df4c9d918cc41e3afd02de7a1d1c2ea5fc1e60413e229d24817
SHA512

69f0bfe7c05523e817950fc57bcee0bba26548515fbd7823e60472d569854d726e7e3ef36ff4c446042bf3448b39583afa36cf1bfd05c5c7b4d91348a1cfb521
SSDEEP

12288:Z3IU8S6eUdMWmkAsCJr5WXoSRgakpzmW5722yyDFZ9UedS1Mh:RItSAdHCJVsfmDry6FZ9ddaM

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1183506281819033703/beWObMRAwhhuWKUuReztMOsKb_VVLWkTOFhB8jqLepxZT4XwRFc9Ez6FcUT7qeabsF0-

Signatures

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

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1768-3-0x0000000000780000-0x0000000000798000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

file30028.exe

description pid process target process

PID 1768 set thread context of 2680 1768 file30028.exe file30028.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file30028.exe

pid process

2680 file30028.exe
2680 file30028.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file30028.exe

description pid process

Token: SeDebugPrivilege 2680 file30028.exe

description	pid	process	target process
PID 1768 set thread context of 2680	1768	file30028.exe	file30028.exe

pid	process
2680	file30028.exe
2680	file30028.exe

description	pid	process
Token: SeDebugPrivilege	2680	file30028.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

file30028.exe

description	pid	process	target process
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe
PID 1768 wrote to memory of 2680	1768	file30028.exe	file30028.exe

C:\Users\Admin\AppData\Local\Temp\file30028.exe
"C:\Users\Admin\AppData\Local\Temp\file30028.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\file30028.exe
"C:\Users\Admin\AppData\Local\Temp\file30028.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1768-0-0x0000000001260000-0x0000000001348000-memory.dmp

Filesize
928KB

Download
memory/1768-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-2-0x0000000000590000-0x00000000005D0000-memory.dmp

Filesize
256KB

Download
memory/1768-3-0x0000000000780000-0x0000000000798000-memory.dmp

Filesize
96KB

Download
memory/1768-4-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/1768-5-0x00000000005D0000-0x00000000005DA000-memory.dmp

Filesize
40KB

Download
memory/1768-6-0x0000000005A00000-0x0000000005A7C000-memory.dmp

Filesize
496KB

Download
memory/1768-7-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-8-0x0000000000590000-0x00000000005D0000-memory.dmp

Filesize
256KB

Download
memory/1768-21-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2680-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-25-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-26-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/2680-27-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-28-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download

Analysis

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