tinba | 778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 11:02

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General

Target

778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe
Size

110KB
MD5

37fb2d0e1c9580ada94871d2cae65b20
SHA1

f53012ac97759026bc0640fb4046b4ef6d973cc3
SHA256

778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22
SHA512

cc2741ce97a2a54c5459826ded5c6ea6f2197be89bb69513dd4b5e47aad2e510c816e045dfa2943190982047f7ad1fe128642825b1c48492fa5d015ca900244c
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:JiyvRmDLs/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

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\D71C753B = "C:\\Users\\Admin\\AppData\\Roaming\\D71C753B\\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/2668-0-0x0000000000400000-0x000000000041E000-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	778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2772	winver.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2772	2668	778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe	32
PID 2668 wrote to memory of 2772	2668	778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe	32
PID 2668 wrote to memory of 2772	2668	778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe	32
PID 2668 wrote to memory of 2772	2668	778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe	32
PID 2668 wrote to memory of 2772	2668	778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe	32
PID 2772 wrote to memory of 1232	2772	winver.exe	21
PID 2772 wrote to memory of 1104	2772	winver.exe	19
PID 2772 wrote to memory of 1168	2772	winver.exe	20
PID 2772 wrote to memory of 1232	2772	winver.exe	21
PID 2772 wrote to memory of 864	2772	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1232
- C:\Users\Admin\AppData\Local\Temp\778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe
  "C:\Users\Admin\AppData\Local\Temp\778448d02265d1b7abbfbea05f871d5212799f168bbdcf5e998846bde991bc22N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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:2772

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:864

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/864-28-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/864-24-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/864-27-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1232-29-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1232-4-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1232-22-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/2668-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2668-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2668-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2668-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2668-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2772-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2772-7-0x0000000077700000-0x0000000077701000-memory.dmp

Filesize
4KB

Download
memory/2772-8-0x00000000776FF000-0x0000000077700000-memory.dmp

Filesize
4KB

Download
memory/2772-9-0x00000000776FF000-0x0000000077701000-memory.dmp

Filesize
8KB

Download
memory/2772-11-0x0000000077500000-0x00000000776A9000-memory.dmp

Filesize
1.7MB

Download
memory/2772-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2772-36-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download