tinba | 5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40

Analysis

max time kernel
118s
max time network
114s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 14:18

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General

Target

5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe
Size

110KB
MD5

18a9ba494965e9c92f3649d0a489d843
SHA1

a3bfdfa5b90cbf3f2a57234f5653419498524110
SHA256

5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40
SHA512

03c9489bce671f5f2100b4073f080c586020a283853321a3a3e2960286c739b2a7bb5eac6b3c6d1bdc76f07982dc10ae69e0d445d2432094e5925e27bf18f240
SSDEEP

1536:fiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:fiyvRmDLs/ZrwWJjAqGcRJ2hw

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\A4C00317 = "C:\\Users\\Admin\\AppData\\Roaming\\A4C00317\\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/1032-0-0x0000000000400000-0x000000000041E000-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	5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2080	1032	5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe	29
PID 1032 wrote to memory of 2080	1032	5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe	29
PID 1032 wrote to memory of 2080	1032	5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe	29
PID 1032 wrote to memory of 2080	1032	5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe	29
PID 1032 wrote to memory of 2080	1032	5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe	29
PID 2080 wrote to memory of 1196	2080	winver.exe	21
PID 2080 wrote to memory of 1104	2080	winver.exe	19
PID 2080 wrote to memory of 1172	2080	winver.exe	20
PID 2080 wrote to memory of 1196	2080	winver.exe	21
PID 2080 wrote to memory of 1536	2080	winver.exe	23

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe
  "C:\Users\Admin\AppData\Local\Temp\5e2c4695696adef7e59317cdb95c3e6a811b681b7b6b67b5e4e067aa855ecf40.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1032
- - 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:2080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1536

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/1032-5-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/1032-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1032-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1032-13-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/1032-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1104-27-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1104-26-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x00000000028F0000-0x00000000028F6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1196-29-0x00000000028F0000-0x00000000028F6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/1536-25-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/1536-30-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/1536-31-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/2080-11-0x00000000778D0000-0x0000000077A79000-memory.dmp

Filesize
1.7MB

Download
memory/2080-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2080-7-0x0000000077AD0000-0x0000000077AD1000-memory.dmp

Filesize
4KB

Download
memory/2080-8-0x0000000077ACF000-0x0000000077AD0000-memory.dmp

Filesize
4KB

Download
memory/2080-9-0x0000000077ACF000-0x0000000077AD1000-memory.dmp

Filesize
8KB

Download
memory/2080-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download