tinba | ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 01:34

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General

Target

ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe
Size

45KB
MD5

690810f393be087ac9c8af76042f5770
SHA1

2a419e0c6ca590da97e1765884cc829c8d805170
SHA256

ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71
SHA512

162c682041b74d872f1f453b4a29d937df066d570b2d2bc5b68f2737fe9369462777858fccc59a43a64ec82aa250177538cc542e3c6fa64f6d6cb03b4a3bbebd
SSDEEP

768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:7sWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\15CA8F96 = "C:\\Users\\Admin\\AppData\\Roaming\\15CA8F96\\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/768-0-0x0000000000400000-0x000000000041D000-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	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2540	768	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	31
PID 768 wrote to memory of 2540	768	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	31
PID 768 wrote to memory of 2540	768	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	31
PID 768 wrote to memory of 2540	768	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	31
PID 768 wrote to memory of 2540	768	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	31
PID 2540 wrote to memory of 1196	2540	winver.exe	21
PID 2540 wrote to memory of 1108	2540	winver.exe	19
PID 2540 wrote to memory of 1164	2540	winver.exe	20
PID 2540 wrote to memory of 1196	2540	winver.exe	21
PID 2540 wrote to memory of 1264	2540	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:1196
- C:\Users\Admin\AppData\Local\Temp\ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe
  "C:\Users\Admin\AppData\Local\Temp\ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:768
- - 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:2540

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1264

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/768-5-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/768-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/768-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/768-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/768-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1108-30-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1108-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1196-26-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1264-25-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1264-28-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1264-27-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/2540-9-0x0000000077C0F000-0x0000000077C11000-memory.dmp

Filesize
8KB

Download
memory/2540-8-0x0000000077C0F000-0x0000000077C10000-memory.dmp

Filesize
4KB

Download
memory/2540-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2540-7-0x0000000077C10000-0x0000000077C11000-memory.dmp

Filesize
4KB

Download
memory/2540-11-0x0000000077A10000-0x0000000077BB9000-memory.dmp

Filesize
1.7MB

Download
memory/2540-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download