tinba | 76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2a

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 23:23

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General

Target

76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe
Size

110KB
MD5

5f0f20da6c147174ff5a627574c17a30
SHA1

1eca72078d40c0b19725a3c28721cbc323199d65
SHA256

76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2a
SHA512

370433514af4dc7dd89a186d14d30f790d47097baac98d92381d5a415dff460b7c2872838893911e6e215c7f9859d78ad46c6298f73352b90d02abcd16665418
SSDEEP

1536:IiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:IiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\9C92E608 = "C:\\Users\\Admin\\AppData\\Roaming\\9C92E608\\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/3052-0-0x0000000000400000-0x000000000041E000-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	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2904	3052	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	31
PID 3052 wrote to memory of 2904	3052	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	31
PID 3052 wrote to memory of 2904	3052	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	31
PID 3052 wrote to memory of 2904	3052	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	31
PID 3052 wrote to memory of 2904	3052	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	31
PID 2904 wrote to memory of 1200	2904	winver.exe	21
PID 2904 wrote to memory of 1104	2904	winver.exe	19
PID 2904 wrote to memory of 1176	2904	winver.exe	20
PID 2904 wrote to memory of 1200	2904	winver.exe	21
PID 2904 wrote to memory of 1632	2904	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe
  "C:\Users\Admin\AppData\Local\Temp\76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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:2904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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/1104-28-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1104-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1176-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1200-31-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1200-24-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1632-32-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1632-30-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1632-26-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1632-29-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/2904-11-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/2904-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2904-7-0x0000000077AC0000-0x0000000077AC1000-memory.dmp

Filesize
4KB

Download
memory/2904-8-0x0000000077ABF000-0x0000000077AC0000-memory.dmp

Filesize
4KB

Download
memory/2904-9-0x0000000077ABF000-0x0000000077AC1000-memory.dmp

Filesize
8KB

Download
memory/2904-34-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2904-39-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/3052-14-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/3052-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3052-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3052-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/3052-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download