tinba | c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d

Analysis

max time kernel
145s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 03:18

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General

Target

c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe
Size

88KB
MD5

7beb9994dee9b59b2b17a061225b3a76
SHA1

c607536866abe459d7f9748277fbdb63f750a75f
SHA256

c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d
SHA512

113ee0eda3076cd42eb3ef6cf73b5e69a31863247cd16babf0943af7a490cbcd7378b90b8cc31a0935aa724a0649d1db0faf2fd2429856dc0d0cdf1f0ad7666e
SSDEEP

1536:Y5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:Y5fvp12UFKcD/6jwqWsN

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\59B55360 = "C:\\Users\\Admin\\AppData\\Roaming\\59B55360\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
552	4148	WerFault.exe	85

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	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4148	winver.exe
4148	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4148	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 4148	3800	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	85
PID 3800 wrote to memory of 4148	3800	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	85
PID 3800 wrote to memory of 4148	3800	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	85
PID 3800 wrote to memory of 4148	3800	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	85
PID 4148 wrote to memory of 3436	4148	winver.exe	56
PID 4148 wrote to memory of 2940	4148	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe
  "C:\Users\Admin\AppData\Local\Temp\c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3800
- - 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:4148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 352
      4⤵
      Program crash
      PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4148 -ip 4148
1⤵
PID:4924

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/2940-12-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

Filesize
4KB

Download
memory/3800-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3800-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/3800-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3800-8-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4148-4-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/4148-6-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-10-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/4148-13-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download