tinba | 9eb3fe911f66dedfa90b899fd282384a67e05183ffb926d3f9a773dcfcd9b70c

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
07/09/2024, 01:06

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General

Target

1c781d32879a6b707b01e7ddc5a21470N.exe
Size

45KB
MD5

1c781d32879a6b707b01e7ddc5a21470
SHA1

4897cbaab90f5953fb6f0aba5a2e388a874bfed1
SHA256

9eb3fe911f66dedfa90b899fd282384a67e05183ffb926d3f9a773dcfcd9b70c
SHA512

7a2a3d760285c01a601a1b6324a540089480ad400d963d128274aef05dd8f89191da25df1800c5ff8a542b6adfcde82f20188286398b4881731421db4523f062
SSDEEP

768:xhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:LsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2824-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\94C2CF3C = "C:\\Users\\Admin\\AppData\\Roaming\\94C2CF3C\\bin.exe"	winver.exe

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	1c781d32879a6b707b01e7ddc5a21470N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2140	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2140	2824	1c781d32879a6b707b01e7ddc5a21470N.exe	31
PID 2824 wrote to memory of 2140	2824	1c781d32879a6b707b01e7ddc5a21470N.exe	31
PID 2824 wrote to memory of 2140	2824	1c781d32879a6b707b01e7ddc5a21470N.exe	31
PID 2824 wrote to memory of 2140	2824	1c781d32879a6b707b01e7ddc5a21470N.exe	31
PID 2824 wrote to memory of 2140	2824	1c781d32879a6b707b01e7ddc5a21470N.exe	31
PID 2140 wrote to memory of 1148	2140	winver.exe	20
PID 2140 wrote to memory of 1060	2140	winver.exe	18
PID 2140 wrote to memory of 1116	2140	winver.exe	19
PID 2140 wrote to memory of 1148	2140	winver.exe	20
PID 2140 wrote to memory of 2040	2140	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1116

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\1c781d32879a6b707b01e7ddc5a21470N.exe
  "C:\Users\Admin\AppData\Local\Temp\1c781d32879a6b707b01e7ddc5a21470N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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:2140

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1060-27-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1060-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1116-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1148-4-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1148-22-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1148-31-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1148-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1148-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/2040-33-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/2040-37-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2040-29-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2040-30-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/2040-25-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2140-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2140-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2140-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2140-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2140-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2140-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2824-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2824-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2824-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2824-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2824-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download