tinba | c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 17:06

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General

Target

c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe
Size

110KB
MD5

684e6513e426a7d665d22139723738d0
SHA1

43d4e7ee2ea2bf25ff10528e5f10df659147e4e0
SHA256

c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603
SHA512

86801d4f4447bd47c885fb3440af3bec4538c459b4c1c254c73d781a12382e80a53b9244d602e242cf058e9478f76e81162df74af89072aaefbee15bd39e8eff
SSDEEP

1536:riLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:riyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\BAC95444 = "C:\\Users\\Admin\\AppData\\Roaming\\BAC95444\\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/2692-0-0x0000000000400000-0x000000000041E000-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	c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2860	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2860	2692	c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe	31
PID 2692 wrote to memory of 2860	2692	c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe	31
PID 2692 wrote to memory of 2860	2692	c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe	31
PID 2692 wrote to memory of 2860	2692	c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe	31
PID 2692 wrote to memory of 2860	2692	c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe	31
PID 2860 wrote to memory of 1236	2860	winver.exe	21
PID 2860 wrote to memory of 1112	2860	winver.exe	19
PID 2860 wrote to memory of 1164	2860	winver.exe	20
PID 2860 wrote to memory of 1236	2860	winver.exe	21
PID 2860 wrote to memory of 1624	2860	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe
  "C:\Users\Admin\AppData\Local\Temp\c8d6e6cf49d864e490e723349500402cfbd10936b283647098cb7011c62e2603N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:2860

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1624

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/1112-26-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077161000-0x0000000077162000-memory.dmp

Filesize
4KB

Download
memory/1164-28-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077161000-0x0000000077162000-memory.dmp

Filesize
4KB

Download
memory/1236-4-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1236-22-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1624-30-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/1624-25-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/1624-31-0x0000000077161000-0x0000000077162000-memory.dmp

Filesize
4KB

Download
memory/2692-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2692-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2692-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2692-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2692-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2860-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2860-7-0x0000000077310000-0x0000000077311000-memory.dmp

Filesize
4KB

Download
memory/2860-8-0x000000007730F000-0x0000000077310000-memory.dmp

Filesize
4KB

Download
memory/2860-9-0x000000007730F000-0x0000000077311000-memory.dmp

Filesize
8KB

Download
memory/2860-11-0x0000000077110000-0x00000000772B9000-memory.dmp

Filesize
1.7MB

Download
memory/2860-32-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download