tinba | 97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11/12/2024, 01:31

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General

Target

97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe
Size

88KB
MD5

4eeb7a35b70cc6734537321d78af5d0b
SHA1

7f2d80d466e964946bfef8eee2ed6053c30ecbc7
SHA256

97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42
SHA512

54b2d89214c35f38acdadbbd2e3776bdc83b4835dafecde160975c4a3778ab5538899539596f1dcb42b2346399f7625ae1fb5c8d5c6990c7c39bd6b309c3392d
SSDEEP

1536:15nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:15fvp12UFKcD/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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\860DC765 = "C:\\Users\\Admin\\AppData\\Roaming\\860DC765\\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	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1832	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1832	2544	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	30
PID 2544 wrote to memory of 1832	2544	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	30
PID 2544 wrote to memory of 1832	2544	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	30
PID 2544 wrote to memory of 1832	2544	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	30
PID 2544 wrote to memory of 1832	2544	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	30
PID 1832 wrote to memory of 1212	1832	winver.exe	20
PID 1832 wrote to memory of 1120	1832	winver.exe	18
PID 1832 wrote to memory of 1176	1832	winver.exe	19
PID 1832 wrote to memory of 1212	1832	winver.exe	20
PID 1832 wrote to memory of 1244	1832	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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\97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe
  "C:\Users\Admin\AppData\Local\Temp\97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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:1832

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/1120-21-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1120-31-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1120-30-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1120-23-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1120-33-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1176-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-20-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1212-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-37-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1244-32-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1832-8-0x0000000076F8F000-0x0000000076F91000-memory.dmp

Filesize
8KB

Download
memory/1832-10-0x0000000076D90000-0x0000000076F39000-memory.dmp

Filesize
1.7MB

Download
memory/1832-22-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1832-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1832-6-0x0000000076F90000-0x0000000076F91000-memory.dmp

Filesize
4KB

Download
memory/1832-7-0x0000000076F8F000-0x0000000076F90000-memory.dmp

Filesize
4KB

Download
memory/2544-12-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2544-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2544-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2544-4-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download