tinba | e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 14:17

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General

Target

e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe
Size

88KB
MD5

dd185915d998c8a50f5d3e465e1b82b9
SHA1

4a20a739ad79fa100356c27705484e4db267a9b5
SHA256

e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9
SHA512

038f37969caf3ea9cde31c16278bcfeb77c66384ca2f7be3944b4a9def97a44c9a068207903bc0a67ea8a80ce9be925b602f16aa672f1a12d5ec59d2ddecab1d
SSDEEP

1536:J5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:J5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\97E42309 = "C:\\Users\\Admin\\AppData\\Roaming\\97E42309\\bin.exe"	winver.exe

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	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1532	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1532	2172	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	31
PID 2172 wrote to memory of 1532	2172	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	31
PID 2172 wrote to memory of 1532	2172	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	31
PID 2172 wrote to memory of 1532	2172	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	31
PID 2172 wrote to memory of 1532	2172	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	31
PID 1532 wrote to memory of 1224	1532	winver.exe	21
PID 1532 wrote to memory of 1124	1532	winver.exe	19
PID 1532 wrote to memory of 1176	1532	winver.exe	20
PID 1532 wrote to memory of 1224	1532	winver.exe	21
PID 1532 wrote to memory of 1264	1532	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe
  "C:\Users\Admin\AppData\Local\Temp\e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - 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:1532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1264

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/1124-27-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-25-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1224-9-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1224-22-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1224-1-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1224-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1224-28-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1264-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1264-29-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1264-30-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1532-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1532-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1532-6-0x0000000077D50000-0x0000000077D51000-memory.dmp

Filesize
4KB

Download
memory/1532-7-0x0000000077D4F000-0x0000000077D50000-memory.dmp

Filesize
4KB

Download
memory/1532-8-0x0000000077D4F000-0x0000000077D51000-memory.dmp

Filesize
8KB

Download
memory/1532-10-0x0000000077B50000-0x0000000077CF9000-memory.dmp

Filesize
1.7MB

Download
memory/2172-12-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2172-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2172-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2172-4-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download