agenttesla | 32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b

General

Target

32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe
Size

492KB
MD5

2133ce30c3b85898d77190aadaa29cc7
SHA1

79de265f4a87bf605edc153356d602e25d06a17c
SHA256

32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b
SHA512

b3901e9a085282cfd2095c02604e99f44d4824c641fb2d0caa3069c6c2134b520fc69d09b6bb703c624f53cffd1020ed20f1d5b62b98720426437f59e33802dc
SSDEEP

6144:G6Uqd2GhNvFWb8BE7oy0B5VROguM7v+UwRFx4lU+D3yLWTb0OR/9rez5cTZHSi4:jUi2iNkME6BFULFx4lUKyaEA1az5u1Z4

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.prinutrition.com
Port:
587
Username:
[email protected]
Password:
forrest

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4712-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3848 set thread context of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4712	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe
4712	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99
PID 3848 wrote to memory of 4712	3848	32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe	99

C:\Users\Admin\AppData\Local\Temp\32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe
"C:\Users\Admin\AppData\Local\Temp\32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3848
- C:\Users\Admin\AppData\Local\Temp\32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe
  "C:\Users\Admin\AppData\Local\Temp\32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe"
  2⤵
  - Drops file in Drivers directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\32981f89e1549351b08fd6a79b94cdce4aab5b43ed3045bea9bd7e1dac98ea4b.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3848-10-0x0000000006850000-0x00000000068B0000-memory.dmp

Filesize
384KB

Download
memory/3848-15-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3848-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/3848-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/3848-5-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/3848-6-0x0000000005BA0000-0x0000000005BAE000-memory.dmp

Filesize
56KB

Download
memory/3848-7-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/3848-8-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3848-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

Filesize
5.6MB

Download
memory/3848-9-0x00000000065F0000-0x000000000668C000-memory.dmp

Filesize
624KB

Download
memory/3848-4-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3848-1-0x0000000000E70000-0x0000000000EF2000-memory.dmp

Filesize
520KB

Download
memory/4712-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4712-14-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4712-16-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4712-17-0x00000000054F0000-0x0000000005508000-memory.dmp

Filesize
96KB

Download
memory/4712-18-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/4712-19-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4712-20-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download

Analysis

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