tinba | ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 20:40

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General

Target

ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe
Size

110KB
MD5

0e2508ec7472735d63ab8363d70696f0
SHA1

a2786c5785c51e143e22cabf4c10cf0dea80646f
SHA256

ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055
SHA512

c6834619094485642ada3d23ad21b26af621bbd7885f2dc14caf9611fe3921fb16963d940d73b998fbd9bb957358131898659f200b59035bee3dd852efabc845
SSDEEP

1536:jiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:jiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\49B72947 = "C:\\Users\\Admin\\AppData\\Roaming\\49B72947\\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/2616-0-0x0000000000400000-0x000000000041E000-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	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2356	2616	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	31
PID 2616 wrote to memory of 2356	2616	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	31
PID 2616 wrote to memory of 2356	2616	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	31
PID 2616 wrote to memory of 2356	2616	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	31
PID 2616 wrote to memory of 2356	2616	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	31
PID 2356 wrote to memory of 1208	2356	winver.exe	21
PID 2356 wrote to memory of 1112	2356	winver.exe	19
PID 2356 wrote to memory of 1184	2356	winver.exe	20
PID 2356 wrote to memory of 1208	2356	winver.exe	21
PID 2356 wrote to memory of 1532	2356	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe
  "C:\Users\Admin\AppData\Local\Temp\ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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:2356

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1532

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/1112-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1184-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1184-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1208-28-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1208-23-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1532-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1532-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1532-30-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/2356-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2356-11-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download
memory/2356-9-0x00000000779AF000-0x00000000779B1000-memory.dmp

Filesize
8KB

Download
memory/2356-8-0x00000000779AF000-0x00000000779B0000-memory.dmp

Filesize
4KB

Download
memory/2356-7-0x00000000779B0000-0x00000000779B1000-memory.dmp

Filesize
4KB

Download
memory/2356-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2616-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2616-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2616-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2616-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2616-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download