tinba | e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/12/2024, 13:17

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General

Target

e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe
Size

610KB
MD5

d5d2d00031fbc536e638379103a4e7b3
SHA1

1f13d866958c7527933c6ce0e5160dc715b54934
SHA256

e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490
SHA512

57e7636b75b3f8604cfeaac6d0e40b1b10c50b18f90334a740535a5e3fe009138fc63fbb46cf1326cd6edf5503dc25ecf2aa51a74ae4edc01b4f2e7ad3e1bb28
SSDEEP

12288:YATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:GT+KjUdQqboyyWoK1NGqzuhh

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\E8E15D92 = "C:\\Users\\Admin\\AppData\\Roaming\\E8E15D92\\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	e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2752	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2752	2116	e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe	31
PID 2116 wrote to memory of 2752	2116	e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe	31
PID 2116 wrote to memory of 2752	2116	e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe	31
PID 2116 wrote to memory of 2752	2116	e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe	31
PID 2116 wrote to memory of 2752	2116	e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe	31
PID 2752 wrote to memory of 1236	2752	winver.exe	21
PID 2752 wrote to memory of 1116	2752	winver.exe	19
PID 2752 wrote to memory of 1172	2752	winver.exe	20
PID 2752 wrote to memory of 1236	2752	winver.exe	21
PID 2752 wrote to memory of 2040	2752	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.exe
  "C:\Users\Admin\AppData\Local\Temp\e8f328e7c90e7f645c215bc8ffa7e36215eedecee7298105fe079e4ba4764490.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:2752

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1116-26-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1172-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1236-17-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1236-6-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1236-24-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/2040-20-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2040-25-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2116-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2752-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2752-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2752-29-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download