tinba | 7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 00:08

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General

Target

7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe
Size

45KB
MD5

0692ae013d4e9da6038095edc674c950
SHA1

3682d75fc6012e9dbdc7b9f973eb9cbda82caca5
SHA256

7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684d
SHA512

672f62947c56243b4669326a4663f2a1339d9f33123b00eb3a446616b143fe894a1386447f4508aaec745610f63e830587319588287a58c74891505713761c84
SSDEEP

768:1hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:nsWE9N5dFu53dsniQaB/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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\03840B2E = "C:\\Users\\Admin\\AppData\\Roaming\\03840B2E\\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/1992-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2224	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2224	1992	7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe	31
PID 1992 wrote to memory of 2224	1992	7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe	31
PID 1992 wrote to memory of 2224	1992	7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe	31
PID 1992 wrote to memory of 2224	1992	7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe	31
PID 1992 wrote to memory of 2224	1992	7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe	31
PID 2224 wrote to memory of 1236	2224	winver.exe	21
PID 2224 wrote to memory of 1116	2224	winver.exe	19
PID 2224 wrote to memory of 1172	2224	winver.exe	20
PID 2224 wrote to memory of 1236	2224	winver.exe	21
PID 2224 wrote to memory of 2040	2224	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe
  "C:\Users\Admin\AppData\Local\Temp\7ffc8267381a74942aca7555d9f72c0879145f0d8109491ed2a6e06a0dd4684dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1992
- - 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:2224

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/1116-26-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1116-28-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1116-29-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1172-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1236-22-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-31-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1992-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1992-13-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/1992-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1992-5-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/2040-27-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/2040-24-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2040-32-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2224-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/2224-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2224-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/2224-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/2224-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/2224-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download