tinba | 168a86b4799be32098e76a58885f89c6fbc36ca029276d53d69da6695d192423

Analysis

max time kernel
118s
max time network
116s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/09/2024, 05:36

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General

Target

93b186bf44d0994f2b96a447a5bf81a0N.exe
Size

45KB
MD5

93b186bf44d0994f2b96a447a5bf81a0
SHA1

322e7366b7013a64dc6d47598cd1f55975cf7283
SHA256

168a86b4799be32098e76a58885f89c6fbc36ca029276d53d69da6695d192423
SHA512

0dfba3d00175d610c6ec3a8ea7d658201e47096c439b33896bd4c78326f2f8f454bfe3045661e0b6060ba3b0b3ee7bcd174d23435d3ad3181e9715d3c2b3cef4
SSDEEP

768:ChP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:usWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2672-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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\625A560B = "C:\\Users\\Admin\\AppData\\Roaming\\625A560B\\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	93b186bf44d0994f2b96a447a5bf81a0N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2788	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 2672 wrote to memory of 2788	2672	93b186bf44d0994f2b96a447a5bf81a0N.exe	32
PID 2672 wrote to memory of 2788	2672	93b186bf44d0994f2b96a447a5bf81a0N.exe	32
PID 2672 wrote to memory of 2788	2672	93b186bf44d0994f2b96a447a5bf81a0N.exe	32
PID 2672 wrote to memory of 2788	2672	93b186bf44d0994f2b96a447a5bf81a0N.exe	32
PID 2672 wrote to memory of 2788	2672	93b186bf44d0994f2b96a447a5bf81a0N.exe	32
PID 2788 wrote to memory of 1232	2788	winver.exe	21
PID 2788 wrote to memory of 1104	2788	winver.exe	19
PID 2788 wrote to memory of 1168	2788	winver.exe	20
PID 2788 wrote to memory of 1232	2788	winver.exe	21
PID 2788 wrote to memory of 864	2788	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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\93b186bf44d0994f2b96a447a5bf81a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\93b186bf44d0994f2b96a447a5bf81a0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:864

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/864-29-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/864-27-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/864-30-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1104-36-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1104-23-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1104-21-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1168-22-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1232-28-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1232-2-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1232-25-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2672-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2672-13-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2672-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2672-5-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2672-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2788-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2788-7-0x0000000077700000-0x0000000077701000-memory.dmp

Filesize
4KB

Download
memory/2788-8-0x00000000776FF000-0x0000000077700000-memory.dmp

Filesize
4KB

Download
memory/2788-9-0x00000000776FF000-0x0000000077701000-memory.dmp

Filesize
8KB

Download
memory/2788-11-0x0000000077500000-0x00000000776A9000-memory.dmp

Filesize
1.7MB

Download
memory/2788-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2788-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download