agenttesla | 5b1f24d4df73a4b7030f827e2ac416691b4bfd3fe8f1bd7e08d9a066b46fb9b7

General

Target

35742.exe
Size

763KB
MD5

475f12cc2635e010575a69ea39b22968
SHA1

17ac5e0c5e50808d5bb495d63f478687fdd297ab
SHA256

51af0a175f8c7ef9d3e6b06b54ed1c8b4175f21ebac90816c6c36fd0e62ef654
SHA512

57be18e887239afd6290715cfd1df6c1afa2e2a6c360c7a7905ddffe13cb669624092b2adb3d2452d95b6c9b5502d2319d03e52bb4c704f291ab81042aa70854

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://45.141.152.18/
Port:
21
Username:
[email protected]
Password:
wTk4W1Uhkp5u

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1584-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1584-128-0x000000000043760E-mapping.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

35742.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hZpzJs = "C:\\Users\\Admin\\AppData\\Roaming\\hZpzJs\\hZpzJs.exe"	35742.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

35742.exe

description pid process target process

PID 604 set thread context of 1584 604 35742.exe 35742.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

1340 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

35742.exe35742.exe

pid process

604 35742.exe
604 35742.exe
604 35742.exe
604 35742.exe
1584 35742.exe
1584 35742.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

35742.exe

pid process

1584 35742.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

35742.exe35742.exe

description pid process

Token: SeDebugPrivilege 604 35742.exe
Token: SeDebugPrivilege 1584 35742.exe

description	pid	process	target process
PID 604 set thread context of 1584	604	35742.exe	35742.exe

pid	process
1340	schtasks.exe

pid	process
604	35742.exe
604	35742.exe
604	35742.exe
604	35742.exe
1584	35742.exe
1584	35742.exe

pid	process
1584	35742.exe

description	pid	process
Token: SeDebugPrivilege	604	35742.exe
Token: SeDebugPrivilege	1584	35742.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

35742.exe

description	pid	process	target process
PID 604 wrote to memory of 1340	604	35742.exe	schtasks.exe
PID 604 wrote to memory of 1340	604	35742.exe	schtasks.exe
PID 604 wrote to memory of 1340	604	35742.exe	schtasks.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe
PID 604 wrote to memory of 1584	604	35742.exe	35742.exe

C:\Users\Admin\AppData\Local\Temp\35742.exe
"C:\Users\Admin\AppData\Local\Temp\35742.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rveyuOyOEbQqxH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF33A.tmp"
2⤵
- Creates scheduled task(s)
PID:1340

C:\Users\Admin\AppData\Local\Temp\35742.exe
"C:\Users\Admin\AppData\Local\Temp\35742.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:1584

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\tmpF33A.tmp
MD5
8138636c848e043db16892ac2dd3da32

SHA1
e1ccfe3650e88194fac140a76a6618f62c037a5c

SHA256
f10b1fc2491085caa434d867729a515dcae5a72c6f71d0c26281b98feed79f98

SHA512
cf51b129bbdc53459ac99603fc2900e9ea54594864a94b13ee5365c3f80cf5476d82f5d187127978c74ea47d1fbc47cdf7778306cf9db9205a0bcd5ba1f3461e

Download Submit
memory/604-123-0x0000000007340000-0x00000000073C4000-memory.dmp

Filesize
528KB

Download
memory/604-122-0x0000000005620000-0x0000000005629000-memory.dmp

Filesize
36KB

Download
memory/604-118-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/604-119-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download
memory/604-124-0x0000000001120000-0x0000000001168000-memory.dmp

Filesize
288KB

Download
memory/604-121-0x0000000001300000-0x0000000001301000-memory.dmp

Filesize
4KB

Download
memory/604-117-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/604-114-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/604-120-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/604-116-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/1340-125-0x0000000000000000-mapping.dmp

Download
memory/1584-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1584-128-0x000000000043760E-mapping.dmp

Download
memory/1584-133-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/1584-134-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/1584-135-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads