tinba | 9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 00:05

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General

Target

9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe
Size

225KB
MD5

9bdb0626f6c5923879be1363fda6b9a2
SHA1

0eee76ab62eb975fdebb89b4e8998c31bd80482c
SHA256

9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013
SHA512

99eb7b4224563e1797137bb05aff5a18e750951692f4af44adaffab76598e3c680282b61d9572e47a25906326be0d61795118727e36888380c44b9ca8379373e
SSDEEP

6144:dA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:dATuTAnKGwUAW3ycQqgf

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\125BA6B8 = "C:\\Users\\Admin\\AppData\\Roaming\\125BA6B8\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe
2680	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2680	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2680	1476	9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe	30
PID 1476 wrote to memory of 2680	1476	9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe	30
PID 1476 wrote to memory of 2680	1476	9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe	30
PID 1476 wrote to memory of 2680	1476	9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe	30
PID 1476 wrote to memory of 2680	1476	9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe	30
PID 2680 wrote to memory of 1184	2680	winver.exe	21
PID 2680 wrote to memory of 1104	2680	winver.exe	19
PID 2680 wrote to memory of 1160	2680	winver.exe	20
PID 2680 wrote to memory of 1184	2680	winver.exe	21
PID 2680 wrote to memory of 1520	2680	winver.exe	25
PID 2680 wrote to memory of 1476	2680	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:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe
  "C:\Users\Admin\AppData\Local\Temp\9a202ba95c20cb17823b16cfc1c95b6d334023b1c67317334f20962cc28e3013.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1476
- - 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:2680

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1520

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 Information Discovery

T1082

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/1104-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1104-9-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1184-15-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1184-27-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1476-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1520-18-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1520-26-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2680-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2680-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2680-31-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download