tinba | ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87f

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/01/2025, 11:19

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General

Target

ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe
Size

45KB
MD5

5ea0912c83bc33e45996fc5dd2e19730
SHA1

2ec3decdcabdae79b60cf36a744dcb5801172d72
SHA256

ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87f
SHA512

211bf413e690927b8aa1f3026fedb4740927c79ad06e02c954922dc2c9ee4884dfb49314ea533dd914f74d0edff5323fb30235da87753d6688596e493221295e
SSDEEP

768:OhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:CsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\32F72E80 = "C:\\Users\\Admin\\AppData\\Roaming\\32F72E80\\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/2032-0-0x0000000000400000-0x000000000041D000-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	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe
2340	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2340	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2340	2032	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	32
PID 2032 wrote to memory of 2340	2032	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	32
PID 2032 wrote to memory of 2340	2032	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	32
PID 2032 wrote to memory of 2340	2032	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	32
PID 2032 wrote to memory of 2340	2032	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	32
PID 2340 wrote to memory of 1184	2340	winver.exe	21
PID 2340 wrote to memory of 1060	2340	winver.exe	18
PID 2340 wrote to memory of 1140	2340	winver.exe	20
PID 2340 wrote to memory of 1184	2340	winver.exe	21
PID 2340 wrote to memory of 2040	2340	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe
  "C:\Users\Admin\AppData\Local\Temp\ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - 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:2340

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1060-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1060-27-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1140-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1140-29-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-23-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-32-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2032-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2032-5-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2032-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2032-13-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2032-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2040-31-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/2040-30-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2040-25-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2340-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2340-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2340-7-0x00000000772B0000-0x00000000772B1000-memory.dmp

Filesize
4KB

Download
memory/2340-9-0x00000000772AF000-0x00000000772B1000-memory.dmp

Filesize
8KB

Download
memory/2340-11-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2340-8-0x00000000772AF000-0x00000000772B0000-memory.dmp

Filesize
4KB

Download
memory/2340-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download