tinba | 4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 05:00

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General

Target

4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe
Size

45KB
MD5

3bdc7eeb3be7d4bc7c22b90d50a17040
SHA1

7600f860fe3408c3bb8f2aa70952acd3ff028516
SHA256

4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0
SHA512

12a1799b18b0ad1b6f935898f423974810f4f770c66aac80b5ec8f3062b031b61ad8b8cdf207964fa50382d145ffb464d1e9a1206d209ccfd879b30d8394f277
SSDEEP

768:KhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:msWE9N5dFu53dsniQaB/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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\A863A52D = "C:\\Users\\Admin\\AppData\\Roaming\\A863A52D\\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/2688-0-0x0000000000400000-0x000000000041D000-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	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2836	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2836	2688	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	32
PID 2688 wrote to memory of 2836	2688	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	32
PID 2688 wrote to memory of 2836	2688	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	32
PID 2688 wrote to memory of 2836	2688	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	32
PID 2688 wrote to memory of 2836	2688	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	32
PID 2836 wrote to memory of 1180	2836	winver.exe	21
PID 2836 wrote to memory of 1060	2836	winver.exe	18
PID 2836 wrote to memory of 1108	2836	winver.exe	19
PID 2836 wrote to memory of 1180	2836	winver.exe	21
PID 2836 wrote to memory of 1940	2836	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe
  "C:\Users\Admin\AppData\Local\Temp\4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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:2836

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1940

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/1060-31-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1108-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1180-4-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1180-30-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1180-23-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1940-29-0x00000000776B1000-0x00000000776B2000-memory.dmp

Filesize
4KB

Download
memory/1940-28-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1940-25-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2688-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2688-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2688-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2688-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2688-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2836-7-0x0000000077860000-0x0000000077861000-memory.dmp

Filesize
4KB

Download
memory/2836-11-0x0000000077660000-0x0000000077809000-memory.dmp

Filesize
1.7MB

Download
memory/2836-9-0x000000007785F000-0x0000000077861000-memory.dmp

Filesize
8KB

Download
memory/2836-8-0x000000007785F000-0x0000000077860000-memory.dmp

Filesize
4KB

Download
memory/2836-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2836-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2836-37-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download