tinba | b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2

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
25/01/2025, 06:36

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General

Target

b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe
Size

34KB
MD5

449922afcb0756fa3897cbc268c3a8a0
SHA1

7fac321ca3f96952c3ec6e6a50cce0f06cb63ae4
SHA256

b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2
SHA512

81f69cd7e3bdc75156efa19bf4906baa103b260e5da0559cd3efdb26205612dd976ea62d81daed8d13256c74bafe543ed9c83e10619a3d8ecef9fa55c1173f74
SSDEEP

768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:MpYoX58z1uirL98xMWnT0OQ9Ji

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\EDCAAFB6 = "C:\\Users\\Admin\\AppData\\Roaming\\EDCAAFB6\\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/2104-0-0x0000000000400000-0x0000000000417000-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	b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2740	winver.exe
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2740	2104	b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe	31
PID 2104 wrote to memory of 2740	2104	b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe	31
PID 2104 wrote to memory of 2740	2104	b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe	31
PID 2104 wrote to memory of 2740	2104	b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe	31
PID 2104 wrote to memory of 2740	2104	b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe	31
PID 2740 wrote to memory of 1280	2740	winver.exe	21
PID 2740 wrote to memory of 1128	2740	winver.exe	19
PID 2740 wrote to memory of 1236	2740	winver.exe	20
PID 2740 wrote to memory of 1280	2740	winver.exe	21
PID 2740 wrote to memory of 840	2740	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1236

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1280
- C:\Users\Admin\AppData\Local\Temp\b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe
  "C:\Users\Admin\AppData\Local\Temp\b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - 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:2740

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:840

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/840-25-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/840-23-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/840-24-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1128-35-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1128-27-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1236-29-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1236-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1236-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1280-10-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1280-21-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1280-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1280-30-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/2104-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2104-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2104-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2104-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2104-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2740-11-0x00000000775F0000-0x0000000077799000-memory.dmp

Filesize
1.7MB

Download
memory/2740-9-0x00000000777EF000-0x00000000777F1000-memory.dmp

Filesize
8KB

Download
memory/2740-8-0x00000000777EF000-0x00000000777F0000-memory.dmp

Filesize
4KB

Download
memory/2740-7-0x00000000777F0000-0x00000000777F1000-memory.dmp

Filesize
4KB

Download
memory/2740-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2740-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download