agenttesla | 5d2ecd7210251e5d86670bd25655976536c0ac15f65185ea7003467be2ee5b19

General

Target

biggest.exe
Size

865KB
MD5

30bd38d2a90db3510019a3fe7dae45cd
SHA1

ac16719ecd9103689f42ee1719eb6f1b444dba4b
SHA256

5d2ecd7210251e5d86670bd25655976536c0ac15f65185ea7003467be2ee5b19
SHA512

a41ed21642beee783f844d7eac920d2edcab180def732afcbd5d021bf8a72c09a2fe33ab6da5980dabca3230c4a0e73af29ee883bfac2e94aac71cdbd595be84

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
prodip@precisionenergy.me
Password:
@Mexico1.,

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1152-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1152-127-0x00000000004375CE-mapping.dmp	family_agenttesla
behavioral2/memory/1152-132-0x0000000005600000-0x0000000005AFE000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

Processes:

biggest.exe

description pid process target process

PID 908 set thread context of 1152 908 biggest.exe biggest.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3376 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

biggest.exebiggest.exe

pid process

908 biggest.exe
1152 biggest.exe
1152 biggest.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

biggest.exebiggest.exe

description pid process

Token: SeDebugPrivilege 908 biggest.exe
Token: SeDebugPrivilege 1152 biggest.exe

description	pid	process	target process
PID 908 set thread context of 1152	908	biggest.exe	biggest.exe

pid	process
3376	schtasks.exe

pid	process
908	biggest.exe
1152	biggest.exe
1152	biggest.exe

description	pid	process
Token: SeDebugPrivilege	908	biggest.exe
Token: SeDebugPrivilege	1152	biggest.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

biggest.exe

description	pid	process	target process
PID 908 wrote to memory of 3376	908	biggest.exe	schtasks.exe
PID 908 wrote to memory of 3376	908	biggest.exe	schtasks.exe
PID 908 wrote to memory of 3376	908	biggest.exe	schtasks.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe
PID 908 wrote to memory of 1152	908	biggest.exe	biggest.exe

C:\Users\Admin\AppData\Local\Temp\biggest.exe
"C:\Users\Admin\AppData\Local\Temp\biggest.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iDGbuSl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3C9.tmp"
2⤵
- Creates scheduled task(s)
PID:3376

C:\Users\Admin\AppData\Local\Temp\biggest.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE3C9.tmp
MD5
53caf379f645a2b03599d656fda50cda

SHA1
cbd69ca5706f61db0ba24224b6f713fd5296dd26

SHA256
74d51be0fe6c45cab7ec6927aa095db725ca8d1b59b1b5821440d2b40f6465f2

SHA512
879673d757d34eb580ea93c317a344896acc61a6f9b68fcad14a79168e191f7fde2c0d71b5b8edce960461e5a621cf91f81f314ca6c99542f16d4352278edae9

Download Submit
memory/908-123-0x000000000ABB0000-0x000000000AC19000-memory.dmp

Filesize
420KB

Download
memory/908-116-0x0000000007A70000-0x0000000007A71000-memory.dmp

Filesize
4KB

Download
memory/908-118-0x0000000007570000-0x0000000007A6E000-memory.dmp

Filesize
5.0MB

Download
memory/908-119-0x00000000050D0000-0x00000000050D1000-memory.dmp

Filesize
4KB

Download
memory/908-120-0x0000000004B30000-0x0000000004B35000-memory.dmp

Filesize
20KB

Download
memory/908-121-0x000000000AC50000-0x000000000AC51000-memory.dmp

Filesize
4KB

Download
memory/908-117-0x0000000007610000-0x0000000007611000-memory.dmp

Filesize
4KB

Download
memory/908-114-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/908-122-0x0000000009350000-0x00000000093FF000-memory.dmp

Filesize
700KB

Download
memory/1152-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1152-127-0x00000000004375CE-mapping.dmp

Download
memory/1152-132-0x0000000005600000-0x0000000005AFE000-memory.dmp

Filesize
5.0MB

Download
memory/1152-133-0x0000000005A20000-0x0000000005A21000-memory.dmp

Filesize
4KB

Download
memory/1152-134-0x00000000062F0000-0x00000000062F1000-memory.dmp

Filesize
4KB

Download
memory/3376-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads