tinba | 8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 12:26

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General

Target

8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe
Size

110KB
MD5

038b50ff26fa3622c4921687784058d0
SHA1

4bc765d5d51aff4bac65e5c399031c19d038b16b
SHA256

8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578
SHA512

dddcf5ca3d4a78cc3aa706a0ee75210949989970b25dd3dfbbce4a6bd6c30cb3f1c7348e7bcadad8d2c46e98b446c8c5e92e559598bc2b7ec103874520026e94
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:uiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\5096BEF2 = "C:\\Users\\Admin\\AppData\\Roaming\\5096BEF2\\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/2888-0-0x0000000000400000-0x000000000041E000-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	8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
780	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 780	2888	8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe	32
PID 2888 wrote to memory of 780	2888	8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe	32
PID 2888 wrote to memory of 780	2888	8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe	32
PID 2888 wrote to memory of 780	2888	8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe	32
PID 2888 wrote to memory of 780	2888	8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe	32
PID 780 wrote to memory of 1144	780	winver.exe	20
PID 780 wrote to memory of 1060	780	winver.exe	17
PID 780 wrote to memory of 1072	780	winver.exe	18
PID 780 wrote to memory of 1144	780	winver.exe	20
PID 780 wrote to memory of 1564	780	winver.exe	25

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe
  "C:\Users\Admin\AppData\Local\Temp\8409e81fd892e2e303d046f033534a1d7d2c50fb0612030644ed54fdea688578N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1564

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/780-8-0x0000000077ABF000-0x0000000077AC0000-memory.dmp

Filesize
4KB

Download
memory/780-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/780-11-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/780-9-0x0000000077ABF000-0x0000000077AC1000-memory.dmp

Filesize
8KB

Download
memory/780-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/780-7-0x0000000077AC0000-0x0000000077AC1000-memory.dmp

Filesize
4KB

Download
memory/1060-21-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1060-22-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1072-23-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1072-20-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1144-2-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1144-10-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1144-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1144-30-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1144-26-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1144-4-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1564-31-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/1564-32-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2888-14-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2888-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2888-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2888-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download