tinba | 3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17/01/2025, 05:49

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General

Target

3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe
Size

45KB
MD5

94662dc8fc9e389de545b25edcde4cb0
SHA1

d0cbbe279a662fd2c4fbf3da41a843e7ca5c0dae
SHA256

3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931f
SHA512

cc3356b151a520172fd2a3457ce28ef66c0b1b5e731d2434e7df6606fff8d131517a554a3819ebee1d526a3e7029cd31ca08698a6ea356466f6111ea26bef7c9
SSDEEP

768:WhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:6sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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\71FF852C = "C:\\Users\\Admin\\AppData\\Roaming\\71FF852C\\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/2096-0-0x0000000000400000-0x000000000041D000-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	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1908	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 1908	2096	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	31
PID 2096 wrote to memory of 1908	2096	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	31
PID 2096 wrote to memory of 1908	2096	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	31
PID 2096 wrote to memory of 1908	2096	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	31
PID 2096 wrote to memory of 1908	2096	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	31
PID 1908 wrote to memory of 1264	1908	winver.exe	21
PID 1908 wrote to memory of 1124	1908	winver.exe	19
PID 1908 wrote to memory of 1196	1908	winver.exe	20
PID 1908 wrote to memory of 1264	1908	winver.exe	21
PID 1908 wrote to memory of 1744	1908	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:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe
  "C:\Users\Admin\AppData\Local\Temp\3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - 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:1908

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1744

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/1124-27-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1196-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1264-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1264-23-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1264-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1264-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1264-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1264-29-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1744-31-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1744-32-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1744-26-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1908-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/1908-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1908-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/1908-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/1908-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/1908-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2096-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2096-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2096-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2096-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2096-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download