masslogger | 7cfbde8e87809e872fa1dc3d178d4644cf19e921534c746c05ada8a7bc573d17

General

Target

Ziraat Bankasi Swift Messaji.exe
Size

1.3MB
MD5

7ba9c730b33fd37be0eec329aabeb6a0
SHA1

eabc80e887de547dc8dd16d4d0a515df48f30791
SHA256

30dac0d69e366db4ce57a0935d5619e4bcebfcbaa9f14b7618970cc2aaa522f4
SHA512

a8ac548c69d3698c87a18291577e6ddc3912c6009878382c3b1bc83cd3ad2b96f39cd60f797a60ae75bb992c413dc35a6f2a4fb844640a621cf88d75a93381fc

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/1792-54-0x0000000001190000-0x00000000012E0000-memory.dmp	family_masslogger
\Users\Admin\Desktop\.exe	family_masslogger
C:\Users\Admin\Desktop\.exe	family_masslogger
C:\Users\Admin\Desktop\.exe	family_masslogger
behavioral1/memory/1608-63-0x0000000000210000-0x0000000000360000-memory.dmp	family_masslogger
behavioral1/memory/1088-71-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger
behavioral1/memory/1088-70-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger
behavioral1/memory/1088-72-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger
behavioral1/memory/1088-73-0x00000000004945DE-mapping.dmp	family_masslogger
behavioral1/memory/1088-76-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger
behavioral1/memory/1088-78-0x0000000000400000-0x000000000049A000-memory.dmp	family_masslogger

Executes dropped EXE 2 IoCs

Processes:

.exeRegAsm.exe

pid process

1608 .exe
1088 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-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation RegAsm.exe
Loads dropped DLL 3 IoCs

Processes:

Ziraat Bankasi Swift Messaji.exe.exeRegAsm.exe

pid process

1792 Ziraat Bankasi Swift Messaji.exe
1608 .exe
1088 RegAsm.exe

pid	process
1608	.exe
1088	RegAsm.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	RegAsm.exe

pid	process
1792	Ziraat Bankasi Swift Messaji.exe
1608	.exe
1088	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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\admin = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\Desktop\\.exe"	reg.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

4 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

.exe

description pid process target process

PID 1608 set thread context of 1088 1608 .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 5 IoCs

Processes:

Ziraat Bankasi Swift Messaji.exe.exe

pid process

1792 Ziraat Bankasi Swift Messaji.exe
1792 Ziraat Bankasi Swift Messaji.exe
1608 .exe
1608 .exe
1608 .exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Ziraat Bankasi Swift Messaji.exe.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1792 Ziraat Bankasi Swift Messaji.exe
Token: SeDebugPrivilege 1608 .exe
Token: SeDebugPrivilege 1088 RegAsm.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1608 set thread context of 1088	1608	.exe	RegAsm.exe

pid	process
1792	Ziraat Bankasi Swift Messaji.exe
1792	Ziraat Bankasi Swift Messaji.exe
1608	.exe
1608	.exe
1608	.exe

description	pid	process
Token: SeDebugPrivilege	1792	Ziraat Bankasi Swift Messaji.exe
Token: SeDebugPrivilege	1608	.exe
Token: SeDebugPrivilege	1088	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Ziraat Bankasi Swift Messaji.execmd.exe.exe

description	pid	process	target process
PID 1792 wrote to memory of 1092	1792	Ziraat Bankasi Swift Messaji.exe	cmd.exe
PID 1792 wrote to memory of 1092	1792	Ziraat Bankasi Swift Messaji.exe	cmd.exe
PID 1792 wrote to memory of 1092	1792	Ziraat Bankasi Swift Messaji.exe	cmd.exe
PID 1792 wrote to memory of 1092	1792	Ziraat Bankasi Swift Messaji.exe	cmd.exe
PID 1092 wrote to memory of 364	1092	cmd.exe	reg.exe
PID 1092 wrote to memory of 364	1092	cmd.exe	reg.exe
PID 1092 wrote to memory of 364	1092	cmd.exe	reg.exe
PID 1092 wrote to memory of 364	1092	cmd.exe	reg.exe
PID 1792 wrote to memory of 1608	1792	Ziraat Bankasi Swift Messaji.exe	.exe
PID 1792 wrote to memory of 1608	1792	Ziraat Bankasi Swift Messaji.exe	.exe
PID 1792 wrote to memory of 1608	1792	Ziraat Bankasi Swift Messaji.exe	.exe
PID 1792 wrote to memory of 1608	1792	Ziraat Bankasi Swift Messaji.exe	.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe
PID 1608 wrote to memory of 1088	1608	.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Messaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Messaji.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v admin /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Desktop\.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v admin /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Desktop\.exe"
3⤵
- Adds Run key to start application
PID:364

C:\Users\Admin\Desktop\.exe
"C:\Users\Admin\Desktop\.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608

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 use of AdjustPrivilegeToken
PID:1088

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

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\Desktop\.exe
Filesize
1.3MB

MD5
7ba9c730b33fd37be0eec329aabeb6a0

SHA1
eabc80e887de547dc8dd16d4d0a515df48f30791

SHA256
30dac0d69e366db4ce57a0935d5619e4bcebfcbaa9f14b7618970cc2aaa522f4

SHA512
a8ac548c69d3698c87a18291577e6ddc3912c6009878382c3b1bc83cd3ad2b96f39cd60f797a60ae75bb992c413dc35a6f2a4fb844640a621cf88d75a93381fc

Download Submit
C:\Users\Admin\Desktop\.exe
Filesize
1.3MB

MD5
7ba9c730b33fd37be0eec329aabeb6a0

SHA1
eabc80e887de547dc8dd16d4d0a515df48f30791

SHA256
30dac0d69e366db4ce57a0935d5619e4bcebfcbaa9f14b7618970cc2aaa522f4

SHA512
a8ac548c69d3698c87a18291577e6ddc3912c6009878382c3b1bc83cd3ad2b96f39cd60f797a60ae75bb992c413dc35a6f2a4fb844640a621cf88d75a93381fc

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\Desktop\.exe
Filesize
1.3MB

MD5
7ba9c730b33fd37be0eec329aabeb6a0

SHA1
eabc80e887de547dc8dd16d4d0a515df48f30791

SHA256
30dac0d69e366db4ce57a0935d5619e4bcebfcbaa9f14b7618970cc2aaa522f4

SHA512
a8ac548c69d3698c87a18291577e6ddc3912c6009878382c3b1bc83cd3ad2b96f39cd60f797a60ae75bb992c413dc35a6f2a4fb844640a621cf88d75a93381fc

Download Submit
memory/364-58-0x0000000000000000-mapping.dmp

Download
memory/1088-71-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1088-78-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1088-70-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1088-81-0x00000000006A0000-0x00000000006E4000-memory.dmp

Filesize
272KB

Download
memory/1088-72-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1088-67-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1088-68-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1088-73-0x00000000004945DE-mapping.dmp

Download
memory/1088-79-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1088-76-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1092-57-0x0000000000000000-mapping.dmp

Download
memory/1608-63-0x0000000000210000-0x0000000000360000-memory.dmp

Filesize
1.3MB

Download
memory/1608-64-0x00000000005D0000-0x00000000005DA000-memory.dmp

Filesize
40KB

Download
memory/1608-60-0x0000000000000000-mapping.dmp

Download
memory/1792-54-0x0000000001190000-0x00000000012E0000-memory.dmp

Filesize
1.3MB

Download
memory/1792-56-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/1792-55-0x00000000003B0000-0x00000000003CE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads