tinba | c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d

Analysis

max time kernel
140s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 23:47

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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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6FA9F4F7 = "C:\\Users\\Admin\\AppData\\Roaming\\6FA9F4F7\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3928	4436	WerFault.exe	84

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	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4436	winver.exe
4436	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4436	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 4436	936	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	84
PID 936 wrote to memory of 4436	936	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	84
PID 936 wrote to memory of 4436	936	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	84
PID 936 wrote to memory of 4436	936	c92607f14e44bb1f32adc2ed3bc1946dd2f61f7438438bf81d2e6dbe1712711d.exe	84
PID 4436 wrote to memory of 3540	4436	winver.exe	56
PID 4436 wrote to memory of 2760	4436	winver.exe	47

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2760

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- 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:936
- - 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:4436
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 352
      4⤵
      Program crash
      PID:3928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4436 -ip 4436
1⤵
PID:3596

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/936-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/936-3-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/936-6-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/936-7-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2760-11-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3540-2-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3540-1-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3540-4-0x00007FF900CED000-0x00007FF900CEE000-memory.dmp

Filesize
4KB

Download
memory/4436-5-0x00007FF900C50000-0x00007FF900E45000-memory.dmp

Filesize
2.0MB

Download
memory/4436-9-0x0000000002760000-0x0000000002766000-memory.dmp

Filesize
24KB

Download
memory/4436-12-0x0000000002760000-0x0000000002766000-memory.dmp

Filesize
24KB

Download