tinba | 49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049

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
22-01-2025 23:32

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General

Target

49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe
Size

45KB
MD5

e5ac534d585e4927dfee419a9d8af880
SHA1

ce14019809a7e30822577bba69272eab20b85d09
SHA256

49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049
SHA512

7bce5c72e466b112ffe4c8e5a28c23563ee6772dbc07f25b32fca4caa20902666edffd8e0e8e2f9c74c3c00cdfb1d1d2d0e193b3fa0b321fc0af0de16010eb17
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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\BC8C6F76 = "C:\\Users\\Admin\\AppData\\Roaming\\BC8C6F76\\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/3060-0-0x0000000000400000-0x000000000041D000-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	49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe
2420	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2420	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2420	3060	49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe	31
PID 3060 wrote to memory of 2420	3060	49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe	31
PID 3060 wrote to memory of 2420	3060	49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe	31
PID 3060 wrote to memory of 2420	3060	49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe	31
PID 3060 wrote to memory of 2420	3060	49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe	31
PID 2420 wrote to memory of 1076	2420	winver.exe	18
PID 2420 wrote to memory of 1044	2420	winver.exe	17
PID 2420 wrote to memory of 1076	2420	winver.exe	18
PID 2420 wrote to memory of 1112	2420	winver.exe	20
PID 2420 wrote to memory of 2020	2420	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076
- C:\Users\Admin\AppData\Local\Temp\49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe
  "C:\Users\Admin\AppData\Local\Temp\49616b669ede0d88f952af00531ebec3351414ff965dfeff5b0964b4ac838049N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3060
- - 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:2420

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2020

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/1044-28-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1044-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1076-24-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1076-4-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-19-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1076-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1112-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-21-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2020-23-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2020-26-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/2020-25-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2420-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2420-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2420-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/2420-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/2420-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/2420-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3060-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/3060-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3060-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3060-5-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/3060-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download