tinba | 3a81c89b51782ec58e89552dbff2bfbf9188f20b53bbfd30c0682e11d7a55a2c

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/09/2024, 10:57

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General

Target

24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe
Size

89KB
MD5

6894d3613722f9190563365dce8e9217
SHA1

5dc821f88856b48048726fdacc06787d9f600ae0
SHA256

24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3
SHA512

96d7effd1aa34dc257e9117b4171e3b607baf64946b898b985a4c5e31ee7f9ac4b80a93224ec2646cf1c1b6e2cdcf65564e686dfd034ff1e3a8e57afc7c4cfb8
SSDEEP

1536:1r+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:J+4MJIkLZJNAQ9Jo9e

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/2340-0-0x0000000000400000-0x0000000000418000-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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\96CC3939 = "C:\\Users\\Admin\\AppData\\Roaming\\96CC3939\\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	24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe
1848	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1848	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1848	2340	24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe	31
PID 2340 wrote to memory of 1848	2340	24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe	31
PID 2340 wrote to memory of 1848	2340	24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe	31
PID 2340 wrote to memory of 1848	2340	24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe	31
PID 2340 wrote to memory of 1848	2340	24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe	31
PID 1848 wrote to memory of 1224	1848	winver.exe	21
PID 1848 wrote to memory of 1124	1848	winver.exe	19
PID 1848 wrote to memory of 1176	1848	winver.exe	20
PID 1848 wrote to memory of 1224	1848	winver.exe	21
PID 1848 wrote to memory of 900	1848	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe
  "C:\Users\Admin\AppData\Local\Temp\24101fcae7a5adcb398d49c56555361d62d093cbdc53e4d07472ec15580cf7b3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - 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:1848

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:900

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/900-29-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/900-30-0x0000000077511000-0x0000000077512000-memory.dmp

Filesize
4KB

Download
memory/900-24-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1124-25-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1124-26-0x0000000077511000-0x0000000077512000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000077511000-0x0000000077512000-memory.dmp

Filesize
4KB

Download
memory/1224-2-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1224-31-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1224-22-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1848-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1848-11-0x00000000774C0000-0x0000000077669000-memory.dmp

Filesize
1.7MB

Download
memory/1848-9-0x00000000776BF000-0x00000000776C1000-memory.dmp

Filesize
8KB

Download
memory/1848-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1848-7-0x00000000776C0000-0x00000000776C1000-memory.dmp

Filesize
4KB

Download
memory/1848-8-0x00000000776BF000-0x00000000776C0000-memory.dmp

Filesize
4KB

Download
memory/1848-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2340-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2340-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2340-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2340-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2340-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download