tinba | c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 01:19

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General

Target

c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe
Size

89KB
MD5

e7b37f0fccbdfff9c9eb8c25cb508f31
SHA1

1bf0b03fffdf58dc5a10dc206eb71b0151bdd810
SHA256

c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5
SHA512

b3f84b3388f816be8d5f0faa703d80bc7d3adf9a4513425adde4ee0af581841870f26bea304811fdc7680a2c2551fd5119f7aced8428654959c6fe29bf05ef74
SSDEEP

1536:U9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:U9o6fK2XqXQwhnHlqQo8Lvy

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\D58674BA = "C:\\Users\\Admin\\AppData\\Roaming\\D58674BA\\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	c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2700	2124	c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe	30
PID 2124 wrote to memory of 2700	2124	c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe	30
PID 2124 wrote to memory of 2700	2124	c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe	30
PID 2124 wrote to memory of 2700	2124	c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe	30
PID 2124 wrote to memory of 2700	2124	c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe	30
PID 2700 wrote to memory of 1208	2700	winver.exe	21
PID 2700 wrote to memory of 1104	2700	winver.exe	19
PID 2700 wrote to memory of 1172	2700	winver.exe	20
PID 2700 wrote to memory of 1208	2700	winver.exe	21
PID 2700 wrote to memory of 1532	2700	winver.exe	23
PID 2700 wrote to memory of 2124	2700	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe
  "C:\Users\Admin\AppData\Local\Temp\c299888a07558b7ffb6bda568fe9208cb8fb44d202839108ea18f772d9d695f5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - 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:2700

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/1104-29-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1104-16-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000077C81000-0x0000000077C82000-memory.dmp

Filesize
4KB

Download
memory/1172-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1208-12-0x0000000077C81000-0x0000000077C82000-memory.dmp

Filesize
4KB

Download
memory/1208-28-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1208-20-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1208-5-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1532-30-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1532-31-0x0000000077C81000-0x0000000077C82000-memory.dmp

Filesize
4KB

Download
memory/1532-23-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/2124-0-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/2124-6-0x00000000023D0000-0x0000000002DD0000-memory.dmp

Filesize
10.0MB

Download
memory/2124-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2124-32-0x00000000023D0000-0x0000000002DD0000-memory.dmp

Filesize
10.0MB

Download
memory/2700-13-0x0000000077C30000-0x0000000077DD9000-memory.dmp

Filesize
1.7MB

Download
memory/2700-7-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2700-8-0x0000000077E30000-0x0000000077E31000-memory.dmp

Filesize
4KB

Download
memory/2700-9-0x0000000077E2F000-0x0000000077E30000-memory.dmp

Filesize
4KB

Download
memory/2700-10-0x0000000077E2F000-0x0000000077E31000-memory.dmp

Filesize
8KB

Download
memory/2700-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2700-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2700-33-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download