tinba | 1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 07:36

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General

Target

1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe
Size

45KB
MD5

b015461b7ab36a716b6f2236b1255049
SHA1

f313d5707580cbe5c679b1d7596ea33ee0b5c698
SHA256

1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d
SHA512

afc0c420e62380f98744af2a58442ebced11c7b025a8809431969faecc5bc5930d0bc98fdc326ceb33c935bc06263efc866a493ab1720a5ba8551b79369489b1
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:BsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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
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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\91B57901 = "C:\\Users\\Admin\\AppData\\Roaming\\91B57901\\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/1808-0-0x0000000000400000-0x000000000041D000-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	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe
1984	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1984	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1984	1808	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	29
PID 1808 wrote to memory of 1984	1808	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	29
PID 1808 wrote to memory of 1984	1808	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	29
PID 1808 wrote to memory of 1984	1808	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	29
PID 1808 wrote to memory of 1984	1808	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	29
PID 1984 wrote to memory of 1184	1984	winver.exe	21
PID 1984 wrote to memory of 1072	1984	winver.exe	18
PID 1984 wrote to memory of 1120	1984	winver.exe	19
PID 1984 wrote to memory of 1184	1984	winver.exe	21
PID 1984 wrote to memory of 324	1984	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe
  "C:\Users\Admin\AppData\Local\Temp\1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1808
- - 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:1984

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:324

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/324-23-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/324-27-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/324-26-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1072-28-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1120-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1120-19-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1184-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-21-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1184-30-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1808-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1808-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/1808-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1808-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/1808-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1984-11-0x0000000077A70000-0x0000000077C19000-memory.dmp

Filesize
1.7MB

Download
memory/1984-29-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1984-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1984-7-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/1984-8-0x0000000077C6F000-0x0000000077C70000-memory.dmp

Filesize
4KB

Download
memory/1984-9-0x0000000077C6F000-0x0000000077C71000-memory.dmp

Filesize
8KB

Download
memory/1984-35-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download