tinba | d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 03:26

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General

Target

d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe
Size

610KB
MD5

81a282ecea4368dd4198208171b05ca6
SHA1

ca96f6c73a0128a9d294fdc9ed17d37e3c7b7d05
SHA256

d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6
SHA512

75189d7b5ef52944f417d47fe6595b4885737e3eff9f2d86d0edd4d207d93917d85339c0ee32469c534358ec18fbc588989d52c9c69bbdbcc87d9beba7e0cd6e
SSDEEP

12288:fATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:lT+KjUdQqboyyWoK1NGqzuhx

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\E9A463D2 = "C:\\Users\\Admin\\AppData\\Roaming\\E9A463D2\\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	d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe
2312	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2312	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2312	2884	d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe	31
PID 2884 wrote to memory of 2312	2884	d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe	31
PID 2884 wrote to memory of 2312	2884	d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe	31
PID 2884 wrote to memory of 2312	2884	d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe	31
PID 2884 wrote to memory of 2312	2884	d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe	31
PID 2312 wrote to memory of 1212	2312	winver.exe	21
PID 2312 wrote to memory of 1116	2312	winver.exe	19
PID 2312 wrote to memory of 1168	2312	winver.exe	20
PID 2312 wrote to memory of 1212	2312	winver.exe	21
PID 2312 wrote to memory of 848	2312	winver.exe	25
PID 2312 wrote to memory of 2884	2312	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe
  "C:\Users\Admin\AppData\Local\Temp\d6a2ec22e2f7fa92217b035f7deeb5d14f5bbf54e49455a4e625ae03b85e28f6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:2312

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:848

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/848-26-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download
memory/848-18-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1212-15-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/2312-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2312-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2312-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2884-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download