tinba | 13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 15:10

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General

Target

13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe
Size

45KB
MD5

85648863347fef008ca21f49553ba950
SHA1

695a14b2598cc129ff98fcbf49c2339e54fa008d
SHA256

13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398
SHA512

3264c5d092b84be95e01de9e424a50433ecf6bc907addc6b6ea886388b81ddb48924e7555aac4bbda9960676825e8ea7c4d73d8f365edb43d9d7dfa54fc776bc
SSDEEP

768:dhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:fsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\AFF5E49E = "C:\\Users\\Admin\\AppData\\Roaming\\AFF5E49E\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2080	2536	13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe	31
PID 2536 wrote to memory of 2080	2536	13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe	31
PID 2536 wrote to memory of 2080	2536	13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe	31
PID 2536 wrote to memory of 2080	2536	13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe	31
PID 2536 wrote to memory of 2080	2536	13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe	31
PID 2080 wrote to memory of 1196	2080	winver.exe	21
PID 2080 wrote to memory of 1080	2080	winver.exe	18
PID 2080 wrote to memory of 1168	2080	winver.exe	20
PID 2080 wrote to memory of 1196	2080	winver.exe	21
PID 2080 wrote to memory of 2036	2080	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe
  "C:\Users\Admin\AppData\Local\Temp\13e95b8ef98c1a9b4655728a0188ffb4dc041e181508a2e265f3eed1ff548398N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - 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:2080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2036

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/1080-28-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1080-36-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1080-27-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1196-31-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/2036-26-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/2036-25-0x00000000022E0000-0x00000000022E6000-memory.dmp

Filesize
24KB

Download
memory/2036-24-0x00000000022E0000-0x00000000022E6000-memory.dmp

Filesize
24KB

Download
memory/2080-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2080-11-0x00000000775F0000-0x0000000077799000-memory.dmp

Filesize
1.7MB

Download
memory/2080-9-0x00000000777EF000-0x00000000777F1000-memory.dmp

Filesize
8KB

Download
memory/2080-8-0x00000000777EF000-0x00000000777F0000-memory.dmp

Filesize
4KB

Download
memory/2080-7-0x00000000777F0000-0x00000000777F1000-memory.dmp

Filesize
4KB

Download
memory/2080-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2536-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2536-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2536-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2536-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2536-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download