tinba | 50a76d32cb4a4ba7d40a5bfe92ac7eb3b6b56d8d0c42515983de1211fc288cb1

General

Target

e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe
Size

88KB
MD5

a1e3882b857839a38efd9dc4072ae777
SHA1

24d2fe9d7bebafe20c33b0206e2b54f7b8644e40
SHA256

e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597
SHA512

1f3d486aa50ad2fc2963399cd8245d7ac012f9022aa059eff08a23f00ba107aca9cb4134201661f9dc03e2c863499bfe70d2ac563ae1ad070522282204ba99b4
SSDEEP

1536:x5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:x5fvp12UFKcD/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

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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FC50D860 = "C:\\Users\\Admin\\AppData\\Roaming\\FC50D860\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
388	780	WerFault.exe	92

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	e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
780	winver.exe
780	winver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
780	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 780	2320	e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe	92
PID 2320 wrote to memory of 780	2320	e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe	92
PID 2320 wrote to memory of 780	2320	e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe	92
PID 2320 wrote to memory of 780	2320	e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe	92
PID 780 wrote to memory of 3428	780	winver.exe	54
PID 780 wrote to memory of 2380	780	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2380

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3428
- C:\Users\Admin\AppData\Local\Temp\e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe
  "C:\Users\Admin\AppData\Local\Temp\e4a590a8e9fee016e8848e475eb607eb928228d51d31d2aa9bb4615f95942597.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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:780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 780 -s 352
      4⤵
      Program crash
      PID:388

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1440,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=1996 /prefetch:8
1⤵
PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 780 -ip 780
1⤵
PID:3896

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

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Downloads

memory/780-4-0x0000000077272000-0x0000000077273000-memory.dmp

Filesize
4KB

Download
memory/780-14-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/780-11-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/780-6-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

Filesize
2.0MB

Download
memory/2320-3-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2320-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2320-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2320-8-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2380-13-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/2380-15-0x00007FFC930B0000-0x00007FFC930B1000-memory.dmp

Filesize
4KB

Download
memory/3428-5-0x00007FFC92F2D000-0x00007FFC92F2E000-memory.dmp

Filesize
4KB

Download
memory/3428-9-0x00007FFC930C0000-0x00007FFC930C1000-memory.dmp

Filesize
4KB

Download
memory/3428-1-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads