tinba | b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422e

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
07-01-2025 17:15

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General

Target

b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe
Size

45KB
MD5

8b74361e481e39c472cc77417e31ed40
SHA1

975bf3dcf52a389f968032aa668580f8dcfd193c
SHA256

b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422e
SHA512

17cc05a23455d32886a410803abfc91af968ab5a40062a6a303685d1920666320958a76c200fb70b89ddc82e8b09063b7ed5065b3bf6a6ad7011922f638c94ca
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:lsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\971385F5 = "C:\\Users\\Admin\\AppData\\Roaming\\971385F5\\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/3068-0-0x0000000000400000-0x000000000041D000-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	b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2188	winver.exe
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2188	3068	b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe	31
PID 3068 wrote to memory of 2188	3068	b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe	31
PID 3068 wrote to memory of 2188	3068	b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe	31
PID 3068 wrote to memory of 2188	3068	b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe	31
PID 3068 wrote to memory of 2188	3068	b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe	31
PID 2188 wrote to memory of 1224	2188	winver.exe	21
PID 2188 wrote to memory of 1092	2188	winver.exe	19
PID 2188 wrote to memory of 1156	2188	winver.exe	20
PID 2188 wrote to memory of 1224	2188	winver.exe	21
PID 2188 wrote to memory of 1704	2188	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1224
- C:\Users\Admin\AppData\Local\Temp\b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe
  "C:\Users\Admin\AppData\Local\Temp\b1e41fb0df49c7fe07c85c5bd1faffa620f55bb36d064674b9887c2f91d4422eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - 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:2188

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1704

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/1092-25-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1092-24-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1156-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1156-34-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1156-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1224-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1224-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1224-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-31-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1704-23-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1704-27-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1704-26-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2188-9-0x0000000077BEF000-0x0000000077BF1000-memory.dmp

Filesize
8KB

Download
memory/2188-30-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2188-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2188-7-0x0000000077BF0000-0x0000000077BF1000-memory.dmp

Filesize
4KB

Download
memory/2188-11-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download
memory/2188-8-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

Filesize
4KB

Download
memory/2188-36-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3068-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/3068-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3068-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/3068-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3068-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download