tinba | e4c0e31f1bc22d5fa55b5589ac186d4055fad9c08a7a2abe49fa4736cb0e9a1d

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
03/09/2024, 08:37

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General

Target

475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe
Size

88KB
MD5

90894878a169ba324844a2e6ce5fc60f
SHA1

29cd30524b8bd9dbb0d6ee67fc776412b97009c3
SHA256

475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab
SHA512

edba2c154a2e2103529047e531fc1c8ecaab17ebc44edae5cd66b3cae8d35c754db31e51d365d32708ffd22207aba9e7fa1ce485702d34825492b1d26a599b9b
SSDEEP

1536:C5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:C5fvp12UFKcD/6jwqWsN

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\CF40258A = "C:\\Users\\Admin\\AppData\\Roaming\\CF40258A\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2072	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2072	2340	475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe	31
PID 2340 wrote to memory of 2072	2340	475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe	31
PID 2340 wrote to memory of 2072	2340	475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe	31
PID 2340 wrote to memory of 2072	2340	475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe	31
PID 2340 wrote to memory of 2072	2340	475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe	31
PID 2072 wrote to memory of 1184	2072	winver.exe	21
PID 2072 wrote to memory of 1052	2072	winver.exe	17
PID 2072 wrote to memory of 1104	2072	winver.exe	19
PID 2072 wrote to memory of 1184	2072	winver.exe	21
PID 2072 wrote to memory of 884	2072	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.exe
  "C:\Users\Admin\AppData\Local\Temp\475ef08cf43e2e68cde92ee8c8841a1588039ca1dbeba0a9c233ad026e6839ab.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:2072

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:884

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/884-28-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/884-29-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/884-23-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/1052-26-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1104-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1104-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-21-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-9-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-27-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2072-7-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2072-10-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2072-6-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2072-8-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2072-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2340-12-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2340-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

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

Filesize
4KB

Download
memory/2340-4-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download