tinba | 72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 13:46

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General

Target

72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe
Size

89KB
MD5

0cf7434544927a4ac240dc24d1928078
SHA1

2738ad18bee626be4e5c5c727934653c2ba7e67f
SHA256

72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed
SHA512

db7a7747fc302bc07aa01c940bd17cbf381cd89f0f55da7d6d2a0ec0cfa2b425badfa5844e60702a3414c2148b6a25b16f67c2cc7648cc1a8145352289292c5e
SSDEEP

1536:mr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:o+4MJIkLZJNAQ9Jo9u

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\5A91F50C = "C:\\Users\\Admin\\AppData\\Roaming\\5A91F50C\\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/2440-0-0x0000000000400000-0x0000000000418000-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	72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2040	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2040	2440	72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe	31
PID 2440 wrote to memory of 2040	2440	72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe	31
PID 2440 wrote to memory of 2040	2440	72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe	31
PID 2440 wrote to memory of 2040	2440	72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe	31
PID 2440 wrote to memory of 2040	2440	72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe	31
PID 2040 wrote to memory of 1244	2040	winver.exe	21
PID 2040 wrote to memory of 1120	2040	winver.exe	19
PID 2040 wrote to memory of 1180	2040	winver.exe	20
PID 2040 wrote to memory of 1244	2040	winver.exe	21
PID 2040 wrote to memory of 1676	2040	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe
  "C:\Users\Admin\AppData\Local\Temp\72550eaa59091300e97b56fed8c23ae2c254bdefc1c599a62d6c32d25ef780ed.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2440
- - 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:2040

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/1120-28-0x0000000077961000-0x0000000077962000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1180-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1180-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x0000000077961000-0x0000000077962000-memory.dmp

Filesize
4KB

Download
memory/1244-2-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1244-22-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1244-26-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1676-30-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1676-25-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1676-31-0x0000000077961000-0x0000000077962000-memory.dmp

Filesize
4KB

Download
memory/2040-11-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2040-6-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2040-7-0x0000000077B10000-0x0000000077B11000-memory.dmp

Filesize
4KB

Download
memory/2040-8-0x0000000077B0F000-0x0000000077B10000-memory.dmp

Filesize
4KB

Download
memory/2040-9-0x0000000077B0F000-0x0000000077B11000-memory.dmp

Filesize
8KB

Download
memory/2040-32-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2440-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2440-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2440-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2440-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2440-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download