tinba | de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 04:31

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General

Target

de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe
Size

45KB
MD5

054a035f8e025d4104fc99773b11f8c7
SHA1

690c6b79eee1ca79fbc1761dfa2e991addcba07d
SHA256

de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4
SHA512

a4f958216edf958722dc0f4347f7b5417d2e59bc84efdea26f200e2b6f52b78995efd86660d3a5ce0b239e5c595cc4e8a0e1b542e4edd2973d6503a8f6cff4a9
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\4293BB3C = "C:\\Users\\Admin\\AppData\\Roaming\\4293BB3C\\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/2976-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2516	2976	de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe	31
PID 2976 wrote to memory of 2516	2976	de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe	31
PID 2976 wrote to memory of 2516	2976	de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe	31
PID 2976 wrote to memory of 2516	2976	de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe	31
PID 2976 wrote to memory of 2516	2976	de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe	31
PID 2516 wrote to memory of 1180	2516	winver.exe	21
PID 2516 wrote to memory of 1108	2516	winver.exe	19
PID 2516 wrote to memory of 1152	2516	winver.exe	20
PID 2516 wrote to memory of 1180	2516	winver.exe	21
PID 2516 wrote to memory of 464	2516	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe
  "C:\Users\Admin\AppData\Local\Temp\de3845d84b2c110fb2b7786ea3836373864df6303b7382ade7070cea7ef50da4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2976
- - 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:2516

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:464

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/464-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/464-32-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/464-30-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1108-28-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1108-27-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1152-29-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1152-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1180-3-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1180-23-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1180-31-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/2516-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2516-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2516-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/2516-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/2516-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/2516-33-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2976-13-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/2976-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2976-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2976-5-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/2976-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download