tinba | 8525d41164c34fec50e9e7075cfdbfafa4e8413a72a430a2517499e0772fd257

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 14:53

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General

Target

ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
Size

96KB
MD5

4d943e11191eac4f61834e3c9f9a0168
SHA1

2fedc1de71f27d21f0924683191cf826be90e594
SHA256

ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa
SHA512

a648ac664ef4ef373dcd1db193acd79bacaef2ec38c0d4869d8220e5cfdf71003130da61b8c501a514cbe95a3db4cd7c0218cefeaab1e8a9e3e66bc3664b4e2b
SSDEEP

1536:ciLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:ciyvRmQKTLs/ZrwWJjAqGct

Score

10^/10

tinba banker discovery 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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\0DEC67B2 = "C:\\Users\\Admin\\AppData\\Roaming\\0DEC67B2\\bin.exe"	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2080	2204	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	31
PID 2204 wrote to memory of 2080	2204	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	31
PID 2204 wrote to memory of 2080	2204	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	31
PID 2204 wrote to memory of 2080	2204	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	31
PID 2204 wrote to memory of 2080	2204	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	31
PID 2080 wrote to memory of 1180	2080	winver.exe	21
PID 2080 wrote to memory of 1032	2080	winver.exe	17
PID 2080 wrote to memory of 1096	2080	winver.exe	19
PID 2080 wrote to memory of 1180	2080	winver.exe	21
PID 2080 wrote to memory of 1172	2080	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1032

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
  "C:\Users\Admin\AppData\Local\Temp\ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1032-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1096-19-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1096-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1096-25-0x00000000771C1000-0x00000000771C2000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x00000000771C1000-0x00000000771C2000-memory.dmp

Filesize
4KB

Download
memory/1172-28-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1172-23-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1180-9-0x00000000771C1000-0x00000000771C2000-memory.dmp

Filesize
4KB

Download
memory/1180-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1180-21-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/2080-5-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2080-10-0x0000000077170000-0x0000000077319000-memory.dmp

Filesize
1.7MB

Download
memory/2080-8-0x000000007736F000-0x0000000077371000-memory.dmp

Filesize
8KB

Download
memory/2080-7-0x000000007736F000-0x0000000077370000-memory.dmp

Filesize
4KB

Download
memory/2080-6-0x0000000077370000-0x0000000077371000-memory.dmp

Filesize
4KB

Download
memory/2080-30-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2204-12-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2204-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2204-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2204-4-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download