tinba | 42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627

Analysis

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

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 22:06

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General

Target

42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe
Size

45KB
MD5

2133a94a372ded121e60f50f4ddbfb4f
SHA1

5523b717d744ab1472de018b63aa72a065a50647
SHA256

42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627
SHA512

7e29fa3f8dc2c50a2cf9b2743f39b40bd3c378f346bdbf3fc910dff35f52fe1e1179f710c2bc99e151e92d991dae5b787703496d2fb010bfdce5dbaffeeabb5f
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:SsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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\D6642C34 = "C:\\Users\\Admin\\AppData\\Roaming\\D6642C34\\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/2160-0-0x0000000000400000-0x000000000041D000-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	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2632	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2632	2160	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	31
PID 2160 wrote to memory of 2632	2160	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	31
PID 2160 wrote to memory of 2632	2160	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	31
PID 2160 wrote to memory of 2632	2160	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	31
PID 2160 wrote to memory of 2632	2160	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	31
PID 2632 wrote to memory of 1224	2632	winver.exe	21
PID 2632 wrote to memory of 1124	2632	winver.exe	19
PID 2632 wrote to memory of 1176	2632	winver.exe	20
PID 2632 wrote to memory of 1224	2632	winver.exe	21
PID 2632 wrote to memory of 1264	2632	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe
  "C:\Users\Admin\AppData\Local\Temp\42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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:2632

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/1124-27-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1176-25-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-20-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1224-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1224-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1224-22-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1224-28-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1264-24-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1264-29-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1264-30-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/2160-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2160-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2160-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2160-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2160-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2632-6-0x0000000001A70000-0x0000000001A76000-memory.dmp

Filesize
24KB

Download
memory/2632-7-0x0000000077D50000-0x0000000077D51000-memory.dmp

Filesize
4KB

Download
memory/2632-8-0x0000000077D4F000-0x0000000077D50000-memory.dmp

Filesize
4KB

Download
memory/2632-9-0x0000000077D4F000-0x0000000077D51000-memory.dmp

Filesize
8KB

Download
memory/2632-11-0x0000000077B50000-0x0000000077CF9000-memory.dmp

Filesize
1.7MB

Download
memory/2632-31-0x0000000001A70000-0x0000000001A76000-memory.dmp

Filesize
24KB

Download