agenttesla | 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b

Analysis

max time kernel
119s
max time network
139s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 03:20

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General

Target

923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Size

681KB
MD5

65eb5063ffd21ea06563acdde5b0aec5
SHA1

9109276193763e3a58b4d8fe472c5d4730b37b33
SHA256

923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
SHA512

a53c5750a427297426cc23416e9dc282814a1210cfc30ec7bf818770315d819cfd32b432d1b411f05a5394afa8df323ec028e136a38ae70a44edf28d53d64cb1
SSDEEP

12288:nJEzqHKMbNeCpN/PmNcfF+RZnGItAdjfRnisFIH9XonxvK4+n0cV:nSz87bv/u/lO169evKb0

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wasstech.com
Port:
587
Username:
[email protected]
Password:
Sunray2700@@
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs

resource	yara_rule
behavioral1/memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

resource	yara_rule
behavioral1/memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

resource	yara_rule
behavioral1/memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job

T1053

pid	Process
2612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
2596	powershell.exe
2012	powershell.exe
2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
2228	RegSvcs.exe
2228	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	2228	RegSvcs.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2012	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	28
PID 2904 wrote to memory of 2012	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	28
PID 2904 wrote to memory of 2012	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	28
PID 2904 wrote to memory of 2012	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	28
PID 2904 wrote to memory of 2596	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	32
PID 2904 wrote to memory of 2596	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	32
PID 2904 wrote to memory of 2596	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	32
PID 2904 wrote to memory of 2596	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	32
PID 2904 wrote to memory of 2612	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	31
PID 2904 wrote to memory of 2612	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	31
PID 2904 wrote to memory of 2612	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	31
PID 2904 wrote to memory of 2612	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	31
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2764	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	33
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35
PID 2904 wrote to memory of 2228	2904	923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe	35

C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
"C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2012
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jsHSvhKIRkhsOT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36F8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jsHSvhKIRkhsOT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp36F8.tmp

Filesize
1KB

MD5
a15911c96abd641ee66f25dad51b9196

SHA1
2fee1f9ded4daef5bb5947f6f606b011665a9e9e

SHA256
bc4c81da035739221882119e3ffda8327ae475a5f3e416548a795eae014358e1

SHA512
84943e8db5962ef326aa0fe714fb0f14f7603f73daa55960b002b9ea204649c4d385644566ceebc80870353907ca32e4ef7cbd90d9e1ef3e4b6e7b8471720e65

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
db4b8d997e13acdb7dfef3541edbf986

SHA1
cd3435a1c142bf152a20dea845b2254bf816a6ac

SHA256
6c727fe91d68bf584c8aedb4e78208678b00560489f1e81c1c3665c6c98829af

SHA512
b68ee1cb3cd23497812d0e4536d6eddc8219b3e8e99d41fb7f90ee0e24a64a4116b2164a25ada02bce48d3fb86298e038d190bba2aff30426ae31db1f069a19d

Download Submit
memory/2012-43-0x000000006F3C0000-0x000000006F96B000-memory.dmp

Filesize
5.7MB

Download
memory/2012-36-0x0000000002810000-0x0000000002850000-memory.dmp

Filesize
256KB

Download
memory/2012-21-0x000000006F3C0000-0x000000006F96B000-memory.dmp

Filesize
5.7MB

Download
memory/2012-29-0x000000006F3C0000-0x000000006F96B000-memory.dmp

Filesize
5.7MB

Download
memory/2012-23-0x0000000002810000-0x0000000002850000-memory.dmp

Filesize
256KB

Download
memory/2228-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-59-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2228-58-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-40-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2228-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-41-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2228-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-38-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2596-42-0x000000006F3C0000-0x000000006F96B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-25-0x000000006F3C0000-0x000000006F96B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-19-0x000000006F3C0000-0x000000006F96B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-31-0x0000000002A90000-0x0000000002AD0000-memory.dmp

Filesize
256KB

Download
memory/2596-34-0x0000000002A90000-0x0000000002AD0000-memory.dmp

Filesize
256KB

Download
memory/2596-33-0x0000000002A90000-0x0000000002AD0000-memory.dmp

Filesize
256KB

Download
memory/2904-39-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-0-0x0000000000B50000-0x0000000000C00000-memory.dmp

Filesize
704KB

Download
memory/2904-3-0x0000000000B20000-0x0000000000B34000-memory.dmp

Filesize
80KB

Download
memory/2904-4-0x0000000000B40000-0x0000000000B4A000-memory.dmp

Filesize
40KB

Download
memory/2904-5-0x00000000020E0000-0x00000000020EE000-memory.dmp

Filesize
56KB

Download
memory/2904-6-0x0000000004390000-0x0000000004418000-memory.dmp

Filesize
544KB

Download
memory/2904-2-0x0000000004BF0000-0x0000000004C30000-memory.dmp

Filesize
256KB

Download
memory/2904-1-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download