masslogger | e70ecdaf88aed4cda8550cb3a231b422856e32eba95e32ab55dbebad0884d660

General

Target

hesaphareketi000,pdf.exe
Size

1.4MB
MD5

3212098204ac1cdaf6124a4613a48b39
SHA1

cf2bd91ae275ea715c62f9485485c36180c4a497
SHA256

7760fb6e2ea4f75a5248d6f670aa32bd991a2dd77c7e7d6b95b53a67d3654d02
SHA512

202886701e3b6e96026a12ec8ffbd18e7b3a7ebbacc6823bd88c2fe18a27f3069f1e0bfd85fe306cab25306176be3f012008cb2af4a4686bb74846698bb57bc0

Score

10^/10

masslogger persistence 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 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/532-54-0x0000000001310000-0x000000000147C000-memory.dmp	family_masslogger
C:\Users\Admin\AppData\Roaming\app.exe	family_masslogger
\Users\Admin\AppData\Roaming\app.exe	family_masslogger
C:\Users\Admin\AppData\Roaming\app.exe	family_masslogger
behavioral1/memory/1868-63-0x0000000000010000-0x000000000017C000-memory.dmp	family_masslogger
behavioral1/memory/876-72-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/876-73-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/876-74-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/876-75-0x00000000004B2FCE-mapping.dmp	family_masslogger
behavioral1/memory/876-78-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/876-80-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger

Executes dropped EXE 2 IoCs

Processes:

app.exeRegAsm.exe

pid process

1868 app.exe
876 RegAsm.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:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation RegAsm.exe
Loads dropped DLL 3 IoCs

Processes:

hesaphareketi000,pdf.exeapp.exeRegAsm.exe

pid process

532 hesaphareketi000,pdf.exe
1868 app.exe
876 RegAsm.exe

pid	process
1868	app.exe
876	RegAsm.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	RegAsm.exe

pid	process
532	hesaphareketi000,pdf.exe
1868	app.exe
876	RegAsm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\app = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	reg.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org
6 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

app.exe

description pid process target process

PID 1868 set thread context of 876 1868 app.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

hesaphareketi000,pdf.exeapp.exeRegAsm.exe

pid process

532 hesaphareketi000,pdf.exe
532 hesaphareketi000,pdf.exe
1868 app.exe
1868 app.exe
1868 app.exe
876 RegAsm.exe
876 RegAsm.exe
876 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

hesaphareketi000,pdf.exeapp.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 532 hesaphareketi000,pdf.exe
Token: SeDebugPrivilege 1868 app.exe
Token: SeDebugPrivilege 876 RegAsm.exe

flow	ioc
5	api.ipify.org
6	api.ipify.org

description	pid	process	target process
PID 1868 set thread context of 876	1868	app.exe	RegAsm.exe

pid	process
532	hesaphareketi000,pdf.exe
532	hesaphareketi000,pdf.exe
1868	app.exe
1868	app.exe
1868	app.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	532	hesaphareketi000,pdf.exe
Token: SeDebugPrivilege	1868	app.exe
Token: SeDebugPrivilege	876	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

hesaphareketi000,pdf.execmd.exeapp.exe

description	pid	process	target process
PID 532 wrote to memory of 1324	532	hesaphareketi000,pdf.exe	cmd.exe
PID 532 wrote to memory of 1324	532	hesaphareketi000,pdf.exe	cmd.exe
PID 532 wrote to memory of 1324	532	hesaphareketi000,pdf.exe	cmd.exe
PID 532 wrote to memory of 1324	532	hesaphareketi000,pdf.exe	cmd.exe
PID 1324 wrote to memory of 1008	1324	cmd.exe	reg.exe
PID 1324 wrote to memory of 1008	1324	cmd.exe	reg.exe
PID 1324 wrote to memory of 1008	1324	cmd.exe	reg.exe
PID 1324 wrote to memory of 1008	1324	cmd.exe	reg.exe
PID 532 wrote to memory of 1868	532	hesaphareketi000,pdf.exe	app.exe
PID 532 wrote to memory of 1868	532	hesaphareketi000,pdf.exe	app.exe
PID 532 wrote to memory of 1868	532	hesaphareketi000,pdf.exe	app.exe
PID 532 wrote to memory of 1868	532	hesaphareketi000,pdf.exe	app.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe
PID 1868 wrote to memory of 876	1868	app.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi000,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi000,pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v app /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\app.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v app /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\app.exe"
3⤵
- Adds Run key to start application
PID:1008

C:\Users\Admin\AppData\Roaming\app.exe
"C:\Users\Admin\AppData\Roaming\app.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe
Filesize
1.4MB

MD5
3212098204ac1cdaf6124a4613a48b39

SHA1
cf2bd91ae275ea715c62f9485485c36180c4a497

SHA256
7760fb6e2ea4f75a5248d6f670aa32bd991a2dd77c7e7d6b95b53a67d3654d02

SHA512
202886701e3b6e96026a12ec8ffbd18e7b3a7ebbacc6823bd88c2fe18a27f3069f1e0bfd85fe306cab25306176be3f012008cb2af4a4686bb74846698bb57bc0

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe
Filesize
1.4MB

MD5
3212098204ac1cdaf6124a4613a48b39

SHA1
cf2bd91ae275ea715c62f9485485c36180c4a497

SHA256
7760fb6e2ea4f75a5248d6f670aa32bd991a2dd77c7e7d6b95b53a67d3654d02

SHA512
202886701e3b6e96026a12ec8ffbd18e7b3a7ebbacc6823bd88c2fe18a27f3069f1e0bfd85fe306cab25306176be3f012008cb2af4a4686bb74846698bb57bc0

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Roaming\app.exe
Filesize
1.4MB

MD5
3212098204ac1cdaf6124a4613a48b39

SHA1
cf2bd91ae275ea715c62f9485485c36180c4a497

SHA256
7760fb6e2ea4f75a5248d6f670aa32bd991a2dd77c7e7d6b95b53a67d3654d02

SHA512
202886701e3b6e96026a12ec8ffbd18e7b3a7ebbacc6823bd88c2fe18a27f3069f1e0bfd85fe306cab25306176be3f012008cb2af4a4686bb74846698bb57bc0

Download Submit
memory/532-54-0x0000000001310000-0x000000000147C000-memory.dmp

Filesize
1.4MB

Download
memory/532-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/532-56-0x0000000000530000-0x0000000000544000-memory.dmp

Filesize
80KB

Download
memory/876-70-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/876-73-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/876-83-0x0000000000730000-0x00000000007A8000-memory.dmp

Filesize
480KB

Download
memory/876-80-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/876-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/876-78-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/876-72-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/876-75-0x00000000004B2FCE-mapping.dmp

Download
memory/876-74-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1008-58-0x0000000000000000-mapping.dmp

Download
memory/1324-57-0x0000000000000000-mapping.dmp

Download
memory/1868-66-0x00000000006E0000-0x00000000006EA000-memory.dmp

Filesize
40KB

Download
memory/1868-60-0x0000000000000000-mapping.dmp

Download
memory/1868-63-0x0000000000010000-0x000000000017C000-memory.dmp

Filesize
1.4MB

Download
memory/1868-65-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads