agenttesla | 80cc7d6a260ad6c2c0c88ddc2160f78941eefeacb6c4445de87fb47d24555520

General

Target

CONTRACT NO NSDA056 YH2301_Ergun machines.exe
Size

667KB
MD5

7439e6bf045b2d72e432cb0cbdc66657
SHA1

bd3383cc791aaa1957c4d734be6ff9d5516c425e
SHA256

80cc7d6a260ad6c2c0c88ddc2160f78941eefeacb6c4445de87fb47d24555520
SHA512

14ea36ca289f7f05e4570f062f25bf50aab338209aa724134523093d5a02827d2523fe22503079bb3692e9dc81a4e24df6f9b0197b837cd24dfe52bd6db43d2d
SSDEEP

12288:PsxxolENV0cikeE2eZenpFhplkSnhvEO8XnLRi57:PGb/pZIHDhs5L

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2140-140-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONTRACT NO NSDA056 YH2301_Ergun machines.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONTRACT NO NSDA056 YH2301_Ergun machines.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kmk = "C:\\Users\\Admin\\AppData\\Roaming\\kmk\\kmk.exe"	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe
2140	CONTRACT NO NSDA056 YH2301_Ergun machines.exe
2140	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe
Token: SeDebugPrivilege	2140	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2140	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91
PID 1516 wrote to memory of 2140	1516	CONTRACT NO NSDA056 YH2301_Ergun machines.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONTRACT NO NSDA056 YH2301_Ergun machines.exe

C:\Users\Admin\AppData\Local\Temp\CONTRACT NO NSDA056 YH2301_Ergun machines.exe
"C:\Users\Admin\AppData\Local\Temp\CONTRACT NO NSDA056 YH2301_Ergun machines.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\CONTRACT NO NSDA056 YH2301_Ergun machines.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CONTRACT NO NSDA056 YH2301_Ergun machines.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/1516-139-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/1516-135-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/1516-136-0x0000000005750000-0x00000000057EC000-memory.dmp

Filesize
624KB

Download
memory/1516-137-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/1516-138-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/1516-133-0x0000000000C40000-0x0000000000CEC000-memory.dmp

Filesize
688KB

Download
memory/1516-134-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/2140-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2140-143-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/2140-144-0x0000000006230000-0x0000000006296000-memory.dmp

Filesize
408KB

Download
memory/2140-145-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/2140-147-0x00000000063F0000-0x0000000006440000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing