tinba | a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 02:57

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General

Target

a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe
Size

110KB
MD5

017e9c01492ad088a25596ffe674bae0
SHA1

028855964d0298621cb29ddba32e356df16ed927
SHA256

a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2
SHA512

352d8dfed7c9a250c3320801fc697ea93be0f890b8dbfb30caa7070454905701b5ddbc96f862571c623e791f3c79a1f375f95044f250aa333b37aa479cd26ee6
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:GiyvRmDLs/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\FDACD742 = "C:\\Users\\Admin\\AppData\\Roaming\\FDACD742\\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/2072-0-0x0000000000400000-0x000000000041E000-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	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2560	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2560	2072	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	31
PID 2072 wrote to memory of 2560	2072	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	31
PID 2072 wrote to memory of 2560	2072	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	31
PID 2072 wrote to memory of 2560	2072	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	31
PID 2072 wrote to memory of 2560	2072	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	31
PID 2560 wrote to memory of 1208	2560	winver.exe	21
PID 2560 wrote to memory of 1120	2560	winver.exe	19
PID 2560 wrote to memory of 1176	2560	winver.exe	20
PID 2560 wrote to memory of 1208	2560	winver.exe	21
PID 2560 wrote to memory of 1288	2560	winver.exe	25

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe
  "C:\Users\Admin\AppData\Local\Temp\a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - 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:2560

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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/1120-27-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1176-21-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1208-30-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1208-4-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1208-23-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1288-26-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1288-31-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1288-32-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/2072-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2072-13-0x0000000001E90000-0x0000000002890000-memory.dmp

Filesize
10.0MB

Download
memory/2072-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2072-5-0x0000000001E90000-0x0000000002890000-memory.dmp

Filesize
10.0MB

Download
memory/2072-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2560-7-0x00000000772D0000-0x00000000772D1000-memory.dmp

Filesize
4KB

Download
memory/2560-8-0x00000000772CF000-0x00000000772D0000-memory.dmp

Filesize
4KB

Download
memory/2560-9-0x00000000772CF000-0x00000000772D1000-memory.dmp

Filesize
8KB

Download
memory/2560-11-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2560-6-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2560-33-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download