tinba | 9686c43ff9c4e41ba1a3ef7b2d9f34eb8dbd418551f0138530d65b0b1dca4b86

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
06/11/2023, 00:46

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General

Target

NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe
Size

45KB
MD5

e1ba6cec3c9fa3d06d7aeb20348950b0
SHA1

9e95a7ba3809ad1827b2d1b40cc6c11cf82ad483
SHA256

9686c43ff9c4e41ba1a3ef7b2d9f34eb8dbd418551f0138530d65b0b1dca4b86
SHA512

23cf60a9a1cbaf2377c5232ae401a103968eaad4ebf3cd1e68dd61da2c34c7f7bd491b9722e142e7b8454cccd2ec42b3acaf2ccfe19b0bbe8163b1a2f72a236b
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:lsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1772-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\F21D6DCB = "C:\\Users\\Admin\\AppData\\Roaming\\F21D6DCB\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1252	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2864	winver.exe
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 2864	1772	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	29
PID 1772 wrote to memory of 2864	1772	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	29
PID 1772 wrote to memory of 2864	1772	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	29
PID 1772 wrote to memory of 2864	1772	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	29
PID 1772 wrote to memory of 2864	1772	NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe	29
PID 2864 wrote to memory of 1252	2864	winver.exe	14
PID 2864 wrote to memory of 1112	2864	winver.exe	16
PID 2864 wrote to memory of 1164	2864	winver.exe	15
PID 2864 wrote to memory of 1252	2864	winver.exe	14

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1252
- C:\Users\Admin\AppData\Local\Temp\NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.e1ba6cec3c9fa3d06d7aeb20348950b0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2864

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1112-21-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1112-22-0x00000000771B1000-0x00000000771B2000-memory.dmp

Filesize
4KB

Download
memory/1164-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1252-11-0x00000000771B1000-0x00000000771B2000-memory.dmp

Filesize
4KB

Download
memory/1252-3-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1252-34-0x0000000077320000-0x0000000077321000-memory.dmp

Filesize
4KB

Download
memory/1252-33-0x0000000077340000-0x0000000077341000-memory.dmp

Filesize
4KB

Download
memory/1252-28-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1252-7-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1772-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1772-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1772-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1772-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1772-2-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2864-15-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2864-4-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2864-24-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2864-16-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2864-6-0x0000000000990000-0x00000000009A6000-memory.dmp

Filesize
88KB

Download
memory/2864-8-0x000000007735F000-0x0000000077360000-memory.dmp

Filesize
4KB

Download
memory/2864-32-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2864-9-0x000000007735F000-0x0000000077361000-memory.dmp

Filesize
8KB

Download
memory/2864-10-0x0000000077360000-0x0000000077361000-memory.dmp

Filesize
4KB

Download