tinba | 42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 06:28

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General

Target

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe
Size

88KB
MD5

63d3e052c956f5635c0b16b942ad7817
SHA1

e932ce4b2681f1b48f96778ef0ebad5ac1676dd2
SHA256

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b
SHA512

7a9010045601e82da9f87dc93bbecfc1dbfacbfb6528ae080e133b0b87d30f859ab0049b0bae36b3eaa20dcc172d7d08ac581b34246472028c6c868105dc4b58
SSDEEP

1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:25fvp12UFKcD/6jwqWsNI

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
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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\D9733547 = "C:\\Users\\Admin\\AppData\\Roaming\\D9733547\\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	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2224	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2224	2116	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	31
PID 2116 wrote to memory of 2224	2116	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	31
PID 2116 wrote to memory of 2224	2116	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	31
PID 2116 wrote to memory of 2224	2116	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	31
PID 2116 wrote to memory of 2224	2116	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	31
PID 2224 wrote to memory of 1212	2224	winver.exe	21
PID 2224 wrote to memory of 1112	2224	winver.exe	19
PID 2224 wrote to memory of 1176	2224	winver.exe	20
PID 2224 wrote to memory of 1212	2224	winver.exe	21
PID 2224 wrote to memory of 1576	2224	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:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe
  "C:\Users\Admin\AppData\Local\Temp\42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - 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:2224

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1576

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/1112-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x00000000027A0000-0x00000000027A6000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1212-31-0x00000000027A0000-0x00000000027A6000-memory.dmp

Filesize
24KB

Download
memory/1576-27-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1576-28-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1576-24-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2116-12-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2116-4-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2116-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2116-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2224-30-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2224-7-0x0000000077DDF000-0x0000000077DE0000-memory.dmp

Filesize
4KB

Download
memory/2224-8-0x0000000077DDF000-0x0000000077DE1000-memory.dmp

Filesize
8KB

Download
memory/2224-10-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/2224-6-0x0000000077DE0000-0x0000000077DE1000-memory.dmp

Filesize
4KB

Download
memory/2224-5-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2224-36-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download