tinba | efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 04:09

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General

Target

efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe
Size

45KB
MD5

0a8bce8030909ceddf1a70cdf3d9f570
SHA1

a6a794e78f2bf1a3d9c18da018f996e43057f6ce
SHA256

efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732
SHA512

812a6ac06ffe3643cd9b0ede35653ff479fd4eac13ae3e359c284448ccb003e3b817608b8df7fe4b32a0fe4717d553cd4429cc9511845ca181e47bdefcd6a8bf
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:vsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\9A1441EA = "C:\\Users\\Admin\\AppData\\Roaming\\9A1441EA\\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/1120-0-0x0000000000400000-0x000000000041D000-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	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3056	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 3056	1120	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	29
PID 1120 wrote to memory of 3056	1120	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	29
PID 1120 wrote to memory of 3056	1120	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	29
PID 1120 wrote to memory of 3056	1120	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	29
PID 1120 wrote to memory of 3056	1120	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	29
PID 3056 wrote to memory of 1212	3056	winver.exe	21
PID 3056 wrote to memory of 1108	3056	winver.exe	19
PID 3056 wrote to memory of 1164	3056	winver.exe	20
PID 3056 wrote to memory of 1212	3056	winver.exe	21
PID 3056 wrote to memory of 1448	3056	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe
  "C:\Users\Admin\AppData\Local\Temp\efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1120
- - 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:3056

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1448

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/1108-24-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1108-18-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1108-25-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1120-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1120-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/1120-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1120-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/1120-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1164-31-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1212-10-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1212-27-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1448-32-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1448-30-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1448-33-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1448-34-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/3056-6-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/3056-7-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/3056-8-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/3056-9-0x000000007772F000-0x0000000077731000-memory.dmp

Filesize
8KB

Download
memory/3056-11-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download