tinba | 42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1c

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
08/11/2024, 11:07

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General

Target

42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe
Size

110KB
MD5

8abeac67618c4ba9eb50984f33165bd0
SHA1

10f486533e8ae2e05a6f673fa216fe9c80043c2d
SHA256

42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1c
SHA512

a8d0af018962fb1d3e11d79ff0983dd30abc3b040f59d283551fa6f351190cf93b9f375dc34c2737af28d06c878e739e44592c3bc97a8bc99bb69b253ddf65bd
SSDEEP

1536:miLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:miyvRmDLs/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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\81A658E5 = "C:\\Users\\Admin\\AppData\\Roaming\\81A658E5\\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/2712-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2844	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2844	2712	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	32
PID 2712 wrote to memory of 2844	2712	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	32
PID 2712 wrote to memory of 2844	2712	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	32
PID 2712 wrote to memory of 2844	2712	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	32
PID 2712 wrote to memory of 2844	2712	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	32
PID 2844 wrote to memory of 1220	2844	winver.exe	21
PID 2844 wrote to memory of 1120	2844	winver.exe	19
PID 2844 wrote to memory of 1172	2844	winver.exe	20
PID 2844 wrote to memory of 1220	2844	winver.exe	21
PID 2844 wrote to memory of 1200	2844	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe
  "C:\Users\Admin\AppData\Local\Temp\42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - 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:2844

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1200

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/1120-26-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1120-25-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1200-30-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1200-29-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1200-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1220-28-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1220-4-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1220-21-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2712-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2712-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2712-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2712-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2712-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2844-11-0x00000000777C0000-0x0000000077969000-memory.dmp

Filesize
1.7MB

Download
memory/2844-9-0x00000000779BF000-0x00000000779C1000-memory.dmp

Filesize
8KB

Download
memory/2844-8-0x00000000779BF000-0x00000000779C0000-memory.dmp

Filesize
4KB

Download
memory/2844-7-0x00000000779C0000-0x00000000779C1000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2844-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download