tinba | 73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 23:45

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General

Target

73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe
Size

34KB
MD5

81872ea52de55eb351b7d52e953d7a5f
SHA1

60eabc0c75ee3b8a554e205ea8c7bd7a18ed77a8
SHA256

73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c
SHA512

e7c1e17a6a7f00718e38a6802ecf117d263a42fe97672c1ec87a8f7350620eb6a93c87106f459c311dad85540b7e5235962ca75dba671b77825e90dd10a7bee6
SSDEEP

768:tp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:tpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\77E7085D = "C:\\Users\\Admin\\AppData\\Roaming\\77E7085D\\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/3064-0-0x0000000000400000-0x0000000000417000-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	73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2736	3064	73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe	31
PID 3064 wrote to memory of 2736	3064	73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe	31
PID 3064 wrote to memory of 2736	3064	73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe	31
PID 3064 wrote to memory of 2736	3064	73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe	31
PID 3064 wrote to memory of 2736	3064	73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe	31
PID 2736 wrote to memory of 1236	2736	winver.exe	21
PID 2736 wrote to memory of 1108	2736	winver.exe	19
PID 2736 wrote to memory of 1168	2736	winver.exe	20
PID 2736 wrote to memory of 1236	2736	winver.exe	21
PID 2736 wrote to memory of 340	2736	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe
  "C:\Users\Admin\AppData\Local\Temp\73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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:2736

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:340

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/340-23-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/340-29-0x0000000077021000-0x0000000077022000-memory.dmp

Filesize
4KB

Download
memory/340-28-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000077021000-0x0000000077022000-memory.dmp

Filesize
4KB

Download
memory/1168-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002880000-0x0000000002886000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077021000-0x0000000077022000-memory.dmp

Filesize
4KB

Download
memory/1236-26-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x0000000002880000-0x0000000002886000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002880000-0x0000000002886000-memory.dmp

Filesize
24KB

Download
memory/1236-21-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2736-11-0x0000000076FD0000-0x0000000077179000-memory.dmp

Filesize
1.7MB

Download
memory/2736-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2736-7-0x00000000771D0000-0x00000000771D1000-memory.dmp

Filesize
4KB

Download
memory/2736-8-0x00000000771CF000-0x00000000771D0000-memory.dmp

Filesize
4KB

Download
memory/2736-9-0x00000000771CF000-0x00000000771D1000-memory.dmp

Filesize
8KB

Download
memory/2736-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3064-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/3064-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3064-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3064-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/3064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download