tinba | 0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 02:07

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General

Target

0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe
Size

36KB
MD5

74ed2f0bbebd5a8fcba7538b754da0da
SHA1

e522ca3c6f63249a01bf9876b6050f3d5800eff3
SHA256

0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959
SHA512

0088f9199c65ca2012347552c13cc65d6209eedbb631e8c1bd286301966384690409cd6f29d067d466caaa111867fc15e4bf2148b29e3417103e89df1f1df271
SSDEEP

768:np22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:npYoX58z1uirL98xMWnT0OQ9J

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\8BE95CC4 = "C:\\Users\\Admin\\AppData\\Roaming\\8BE95CC4\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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	0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2800	winver.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2800	2208	0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe	31
PID 2208 wrote to memory of 2800	2208	0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe	31
PID 2208 wrote to memory of 2800	2208	0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe	31
PID 2208 wrote to memory of 2800	2208	0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe	31
PID 2208 wrote to memory of 2800	2208	0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe	31
PID 2800 wrote to memory of 1232	2800	winver.exe	21
PID 2800 wrote to memory of 1112	2800	winver.exe	19
PID 2800 wrote to memory of 1168	2800	winver.exe	20
PID 2800 wrote to memory of 1232	2800	winver.exe	21
PID 2800 wrote to memory of 1740	2800	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1232
- C:\Users\Admin\AppData\Local\Temp\0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe
  "C:\Users\Admin\AppData\Local\Temp\0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - 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:2800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1740

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/1112-26-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1232-22-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-29-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1740-30-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1740-31-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1740-25-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2208-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2208-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2208-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2208-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2208-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2800-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2800-7-0x00000000773C0000-0x00000000773C1000-memory.dmp

Filesize
4KB

Download
memory/2800-8-0x00000000773BF000-0x00000000773C0000-memory.dmp

Filesize
4KB

Download
memory/2800-11-0x00000000771C0000-0x0000000077369000-memory.dmp

Filesize
1.7MB

Download
memory/2800-9-0x00000000773BF000-0x00000000773C1000-memory.dmp

Filesize
8KB

Download
memory/2800-28-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download