tinba | 5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89b

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 01:37

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General

Target

5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe
Size

45KB
MD5

78ba02410b21b0f1210f283f2e528fd0
SHA1

0111716d72ee32d37745b4b85e06179b64859790
SHA256

5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89b
SHA512

0dfddd2150241ebf9d6bce86f394fb8c9ea0f91676280d1e5402b4f6dbfa8e2474017257add7d8119d11784877b36361f94b583df7f0c33b1a60af72fdf653fe
SSDEEP

768:/hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:psWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\4E190B41 = "C:\\Users\\Admin\\AppData\\Roaming\\4E190B41\\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/2440-0-0x0000000000400000-0x000000000041D000-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	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2284	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2284	2440	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	31
PID 2440 wrote to memory of 2284	2440	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	31
PID 2440 wrote to memory of 2284	2440	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	31
PID 2440 wrote to memory of 2284	2440	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	31
PID 2440 wrote to memory of 2284	2440	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	31
PID 2284 wrote to memory of 1232	2284	winver.exe	21
PID 2284 wrote to memory of 1112	2284	winver.exe	19
PID 2284 wrote to memory of 1164	2284	winver.exe	20
PID 2284 wrote to memory of 1232	2284	winver.exe	21
PID 2284 wrote to memory of 632	2284	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe
  "C:\Users\Admin\AppData\Local\Temp\5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2440
- - 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:2284

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:632

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/632-28-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/632-23-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/632-29-0x0000000076E61000-0x0000000076E62000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x0000000076E61000-0x0000000076E62000-memory.dmp

Filesize
4KB

Download
memory/1112-24-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1232-27-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000076E61000-0x0000000076E62000-memory.dmp

Filesize
4KB

Download
memory/1232-21-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/2284-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2284-11-0x0000000076E10000-0x0000000076FB9000-memory.dmp

Filesize
1.7MB

Download
memory/2284-9-0x000000007700F000-0x0000000077011000-memory.dmp

Filesize
8KB

Download
memory/2284-8-0x000000007700F000-0x0000000077010000-memory.dmp

Filesize
4KB

Download
memory/2284-7-0x0000000077010000-0x0000000077011000-memory.dmp

Filesize
4KB

Download
memory/2284-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2440-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2440-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2440-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2440-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2440-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download