tinba | b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 17:20

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General

Target

b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe
Size

110KB
MD5

bf11014e83b82b5eb28aef25247cd3e0
SHA1

c8acd72119d1209b729495c9e6c79f1d743d48bc
SHA256

b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085
SHA512

c89f5a083e7c05f33ffc0fc5a42dc38c57cb3d64a80868955a51c6f3c01e2dff2c0ae88464f7bfd9fc0bcb20e8da3700b3692b9d2117e0eb051c6f18a2f3950a
SSDEEP

1536:EiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:EiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\A501B53A = "C:\\Users\\Admin\\AppData\\Roaming\\A501B53A\\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/3012-0-0x0000000000400000-0x000000000041E000-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	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2960	3012	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	31
PID 3012 wrote to memory of 2960	3012	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	31
PID 3012 wrote to memory of 2960	3012	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	31
PID 3012 wrote to memory of 2960	3012	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	31
PID 3012 wrote to memory of 2960	3012	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	31
PID 2960 wrote to memory of 1200	2960	winver.exe	21
PID 2960 wrote to memory of 1116	2960	winver.exe	19
PID 2960 wrote to memory of 1168	2960	winver.exe	20
PID 2960 wrote to memory of 1200	2960	winver.exe	21
PID 2960 wrote to memory of 1716	2960	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe
  "C:\Users\Admin\AppData\Local\Temp\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2960

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1716

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/1116-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-32-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1716-25-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-28-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-29-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/2960-7-0x0000000076F80000-0x0000000076F81000-memory.dmp

Filesize
4KB

Download
memory/2960-31-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2960-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2960-8-0x0000000076F7F000-0x0000000076F80000-memory.dmp

Filesize
4KB

Download
memory/2960-9-0x0000000076F7F000-0x0000000076F81000-memory.dmp

Filesize
8KB

Download
memory/2960-11-0x0000000076D80000-0x0000000076F29000-memory.dmp

Filesize
1.7MB

Download
memory/2960-37-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3012-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/3012-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3012-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3012-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/3012-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download