tinba | d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 15:21

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General

Target

d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe
Size

610KB
MD5

8200d33a2ba4c88b12e39bcd3ba037d1
SHA1

aa91d5990bf7543b7ac0b4b21eab98096ae89540
SHA256

d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198
SHA512

3d6ca5a3067f78cdd11a7f6c1e860ec38bb12f6a64c98ecca3ee963ce8844e7add3e931436fd569cbc357e52465f811557c1d34f6ddc15a2286c5461e5aa23ca
SSDEEP

12288:oATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:WT+KjUdQqboyyWoK1NGqzuhD

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\0792DB59 = "C:\\Users\\Admin\\AppData\\Roaming\\0792DB59\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2728	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2728	908	d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe	31
PID 908 wrote to memory of 2728	908	d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe	31
PID 908 wrote to memory of 2728	908	d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe	31
PID 908 wrote to memory of 2728	908	d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe	31
PID 908 wrote to memory of 2728	908	d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe	31
PID 2728 wrote to memory of 1192	2728	winver.exe	21
PID 2728 wrote to memory of 1052	2728	winver.exe	18
PID 2728 wrote to memory of 1132	2728	winver.exe	19
PID 2728 wrote to memory of 1192	2728	winver.exe	21
PID 2728 wrote to memory of 1612	2728	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:1132

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe
  "C:\Users\Admin\AppData\Local\Temp\d4928af5775a468afced18ce3e14034d70caac31f02e6d123cfabdca22a4a198.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:908
- - 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:2728

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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/908-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1052-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1052-11-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1132-14-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1132-27-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1612-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1612-24-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2728-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2728-23-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2728-29-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download