tinba | 16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801

General

Target

16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
Size

110KB
MD5

171263df5f4c6155a81f82c117236fc4
SHA1

6035e4b5be33fc5553fba93de7d14e0716b0c04f
SHA256

16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801
SHA512

12f3464374716046339058217cb89ad99194a110c5811d6c27d0c3425006fc14035c1efbe807a6d645f57e96a07a20302ded65427fa74ab4b3ee395630440915
SSDEEP

1536:CiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:CiyvRmDLs/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57C43846 = "C:\\Users\\Admin\\AppData\\Roaming\\57C43846\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1280-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3876	4220	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	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4220	winver.exe
4220	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3360	Explorer.EXE
Token: SeCreatePagefilePrivilege	3360	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4220	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3360	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 4220	1280	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	85
PID 1280 wrote to memory of 4220	1280	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	85
PID 1280 wrote to memory of 4220	1280	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	85
PID 1280 wrote to memory of 4220	1280	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	85
PID 4220 wrote to memory of 3360	4220	winver.exe	55
PID 4220 wrote to memory of 384	4220	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:384

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3360
- C:\Users\Admin\AppData\Local\Temp\16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
  "C:\Users\Admin\AppData\Local\Temp\16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1280
- - 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:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 356
      4⤵
      Program crash
      PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4220 -ip 4220
1⤵
PID:4000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/384-16-0x00007FF96A5ED000-0x00007FF96A5EE000-memory.dmp

Filesize
4KB

Download
memory/384-19-0x00007FF96A770000-0x00007FF96A771000-memory.dmp

Filesize
4KB

Download
memory/384-18-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/384-15-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/1280-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1280-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1280-10-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1280-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1280-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3360-6-0x00007FF96A5ED000-0x00007FF96A5EE000-memory.dmp

Filesize
4KB

Download
memory/3360-11-0x00007FF96A780000-0x00007FF96A781000-memory.dmp

Filesize
4KB

Download
memory/3360-2-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3360-3-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/4220-5-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/4220-7-0x00007FF96A550000-0x00007FF96A745000-memory.dmp

Filesize
2.0MB

Download
memory/4220-13-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/4220-17-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads