masslogger | 14836e19f657b3a82b1f58dfb846ff1eb66f72ea7eb9b840c2de4b2ceeddcddd

General

Target

OOCLU57731000013.xls.exe
Size

892KB
MD5

7c3df39bc1a99d5b392330206083461b
SHA1

7f60f5dc06d5f4a91d606312747bbc770226bbb3
SHA256

14836e19f657b3a82b1f58dfb846ff1eb66f72ea7eb9b840c2de4b2ceeddcddd
SHA512

3cab1494e1a137045c0b7eb005c169fb56b26efc7754b80ff44090502c11a4f96d36b0bd403cc309e0b9fca4220bad4cdcaa8b6905483fbb9d4ec000964c9985

Score

10^/10

masslogger spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/656-7-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/656-8-0x000000000048149E-mapping.dmp	family_masslogger
behavioral1/memory/656-9-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/656-10-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1736-68-0x000000000048149E-mapping.dmp	family_masslogger

Executes dropped EXE 2 IoCs

Processes:

nslookup.exenslookup.exe

pid process

1964 nslookup.exe
1736 nslookup.exe

pid	process
1964	nslookup.exe
1736	nslookup.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

OOCLU57731000013.xls.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation	OOCLU57731000013.xls.exe

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1648 cmd.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org

pid	process
1648	cmd.exe

flow	ioc
5	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

Processes:

OOCLU57731000013.xls.exenslookup.exe

description	pid	process	target process
PID 788 set thread context of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 1964 set thread context of 1736	1964	nslookup.exe	nslookup.exe

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
T1053

Processes:

schtasks.exe

pid process

1296 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1672 timeout.exe

pid	process
1296	schtasks.exe

pid	process
1672	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

OOCLU57731000013.xls.exepowershell.exenslookup.exe

pid	process
656	OOCLU57731000013.xls.exe
656	OOCLU57731000013.xls.exe
656	OOCLU57731000013.xls.exe
656	OOCLU57731000013.xls.exe
1136	powershell.exe
1136	powershell.exe
1736	nslookup.exe
1736	nslookup.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

OOCLU57731000013.xls.exepowershell.exenslookup.exe

description	pid	process
Token: SeDebugPrivilege	656	OOCLU57731000013.xls.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeDebugPrivilege	1736	nslookup.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

OOCLU57731000013.xls.exeOOCLU57731000013.xls.execmd.execmd.exenslookup.exe

description	pid	process	target process
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 788 wrote to memory of 656	788	OOCLU57731000013.xls.exe	OOCLU57731000013.xls.exe
PID 656 wrote to memory of 1136	656	OOCLU57731000013.xls.exe	powershell.exe
PID 656 wrote to memory of 1136	656	OOCLU57731000013.xls.exe	powershell.exe
PID 656 wrote to memory of 1136	656	OOCLU57731000013.xls.exe	powershell.exe
PID 656 wrote to memory of 1136	656	OOCLU57731000013.xls.exe	powershell.exe
PID 656 wrote to memory of 1596	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1596	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1596	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1596	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1648	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1648	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1648	656	OOCLU57731000013.xls.exe	cmd.exe
PID 656 wrote to memory of 1648	656	OOCLU57731000013.xls.exe	cmd.exe
PID 1596 wrote to memory of 1296	1596	cmd.exe	schtasks.exe
PID 1596 wrote to memory of 1296	1596	cmd.exe	schtasks.exe
PID 1596 wrote to memory of 1296	1596	cmd.exe	schtasks.exe
PID 1596 wrote to memory of 1296	1596	cmd.exe	schtasks.exe
PID 1648 wrote to memory of 1672	1648	cmd.exe	timeout.exe
PID 1648 wrote to memory of 1672	1648	cmd.exe	timeout.exe
PID 1648 wrote to memory of 1672	1648	cmd.exe	timeout.exe
PID 1648 wrote to memory of 1672	1648	cmd.exe	timeout.exe
PID 1648 wrote to memory of 1964	1648	cmd.exe	nslookup.exe
PID 1648 wrote to memory of 1964	1648	cmd.exe	nslookup.exe
PID 1648 wrote to memory of 1964	1648	cmd.exe	nslookup.exe
PID 1648 wrote to memory of 1964	1648	cmd.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe
PID 1964 wrote to memory of 1736	1964	nslookup.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\OOCLU57731000013.xls.exe
"C:\Users\Admin\AppData\Local\Temp\OOCLU57731000013.xls.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:788

C:\Users\Admin\AppData\Local\Temp\OOCLU57731000013.xls.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\OOCLU57731000013.xls.exe'
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn nslookup.exe /tr '"C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn nslookup.exe /tr '"C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe"'
4⤵
- Creates scheduled task(s)
PID:1296

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp816F.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:1672

C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe
"C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe
"{path}"
5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp816F.tmp.bat
MD5
f4c4a0186a46aad34e511d45c18a8407

SHA1
16e87144ef500c85821e5895c1db9aa2d63c38b6

SHA256
c9509a312e3cb56cb72b7a7063ce1455436be8a76797601486116fdf50a47049

SHA512
3d5b38f894e8f7fd03d6678dcf89f3f2ebcada8cad1b8100f6b9cf4761f408909785653ded0ca052ce20e2e45ba5f30fb930488ed85bda4acd9fc220331555cc

Download Submit
C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe
MD5
7c3df39bc1a99d5b392330206083461b

SHA1
7f60f5dc06d5f4a91d606312747bbc770226bbb3

SHA256
14836e19f657b3a82b1f58dfb846ff1eb66f72ea7eb9b840c2de4b2ceeddcddd

SHA512
3cab1494e1a137045c0b7eb005c169fb56b26efc7754b80ff44090502c11a4f96d36b0bd403cc309e0b9fca4220bad4cdcaa8b6905483fbb9d4ec000964c9985

Download Submit
C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe
MD5
7c3df39bc1a99d5b392330206083461b

SHA1
7f60f5dc06d5f4a91d606312747bbc770226bbb3

SHA256
14836e19f657b3a82b1f58dfb846ff1eb66f72ea7eb9b840c2de4b2ceeddcddd

SHA512
3cab1494e1a137045c0b7eb005c169fb56b26efc7754b80ff44090502c11a4f96d36b0bd403cc309e0b9fca4220bad4cdcaa8b6905483fbb9d4ec000964c9985

Download Submit
C:\Users\Admin\AppData\Roaming\vilan\nslookup.exe
MD5
7c3df39bc1a99d5b392330206083461b

SHA1
7f60f5dc06d5f4a91d606312747bbc770226bbb3

SHA256
14836e19f657b3a82b1f58dfb846ff1eb66f72ea7eb9b840c2de4b2ceeddcddd

SHA512
3cab1494e1a137045c0b7eb005c169fb56b26efc7754b80ff44090502c11a4f96d36b0bd403cc309e0b9fca4220bad4cdcaa8b6905483fbb9d4ec000964c9985

Download Submit
\Users\Admin\AppData\Roaming\vilan\nslookup.exe
MD5
7c3df39bc1a99d5b392330206083461b

SHA1
7f60f5dc06d5f4a91d606312747bbc770226bbb3

SHA256
14836e19f657b3a82b1f58dfb846ff1eb66f72ea7eb9b840c2de4b2ceeddcddd

SHA512
3cab1494e1a137045c0b7eb005c169fb56b26efc7754b80ff44090502c11a4f96d36b0bd403cc309e0b9fca4220bad4cdcaa8b6905483fbb9d4ec000964c9985

Download Submit
memory/656-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/656-8-0x000000000048149E-mapping.dmp

Download
memory/656-10-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/656-11-0x0000000074DA0000-0x000000007548E000-memory.dmp

Filesize
6.9MB

Download
memory/656-7-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/788-6-0x0000000005EB0000-0x0000000005F4E000-memory.dmp

Filesize
632KB

Download
memory/788-5-0x00000000002A0000-0x00000000002A4000-memory.dmp

Filesize
16KB

Download
memory/788-3-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/788-2-0x0000000074DA0000-0x000000007548E000-memory.dmp

Filesize
6.9MB

Download
memory/1136-23-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/1136-49-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1136-14-0x0000000000000000-mapping.dmp

Download
memory/1136-65-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/1136-64-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1136-24-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/1136-27-0x0000000005650000-0x0000000005651000-memory.dmp

Filesize
4KB

Download
memory/1136-17-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/1136-16-0x0000000074DA0000-0x000000007548E000-memory.dmp

Filesize
6.9MB

Download
memory/1136-50-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1136-20-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download
memory/1136-42-0x00000000061A0000-0x00000000061A1000-memory.dmp

Filesize
4KB

Download
memory/1136-41-0x0000000006040000-0x0000000006041000-memory.dmp

Filesize
4KB

Download
memory/1296-19-0x0000000000000000-mapping.dmp

Download
memory/1596-15-0x0000000000000000-mapping.dmp

Download
memory/1648-18-0x0000000000000000-mapping.dmp

Download
memory/1672-22-0x0000000000000000-mapping.dmp

Download
memory/1736-68-0x000000000048149E-mapping.dmp

Download
memory/1736-72-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-38-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/1964-36-0x0000000074DA0000-0x000000007548E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-32-0x0000000000000000-mapping.dmp

Download
memory/1964-31-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads