tinba | b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b

General

Target

b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe
Size

225KB
MD5

3924b63a3fcc471a71870994c8384cb3
SHA1

dddec0589cae6896e54434b01e16bc2f2c10f3ce
SHA256

b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b
SHA512

587502167457afc7fd986c3b5a5431b715c1aebb9632d6c4cbe924124ee87a6b6f591520473cbb4878d78526d31d3424988071db898fdc71f8ecdcf48d3bd3c7
SSDEEP

6144:xA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:xATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\CC75B8B8 = "C:\\Users\\Admin\\AppData\\Roaming\\CC75B8B8\\bin.exe"	winver.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 61 IoCs

Processes:

winver.exe

pid	process
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

2904 winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exewinver.exe

description	pid	process	target process
PID 2188 wrote to memory of 2904	2188	b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe	winver.exe
PID 2188 wrote to memory of 2904	2188	b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe	winver.exe
PID 2188 wrote to memory of 2904	2188	b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe	winver.exe
PID 2188 wrote to memory of 2904	2188	b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe	winver.exe
PID 2188 wrote to memory of 2904	2188	b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe	winver.exe
PID 2904 wrote to memory of 1192	2904	winver.exe	Explorer.EXE
PID 2904 wrote to memory of 1100	2904	winver.exe	taskhost.exe
PID 2904 wrote to memory of 1160	2904	winver.exe	Dwm.exe
PID 2904 wrote to memory of 1192	2904	winver.exe	Explorer.EXE
PID 2904 wrote to memory of 2188	2904	winver.exe	b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192

C:\Users\Admin\AppData\Local\Temp\b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe
"C:\Users\Admin\AppData\Local\Temp\b8abcf4ca1f0843a3eedefbde7a6d23ba97d6799ed41e65e51e9e07c38ee6a2b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2904

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1100-9-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1100-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1160-25-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1192-24-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1192-15-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/2188-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2904-20-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2904-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2904-27-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads