tinba | c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127

General

Target

c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe
Size

110KB
MD5

8e14510583990034a19a5083eb5878ae
SHA1

1b56941c0741ff57060b14495298e40bcd51f331
SHA256

c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127
SHA512

ce6f75cf3f1b52418ade86909d27fa30196c7c4e80b3a9bfd6ed673e2b755444f4343475aefceb23618a3044601999fffdc5deb5e3c7a1e0262a923c918b8b7c
SSDEEP

1536:/iLOvRmmQegJgBbmAQ256/ZrwWnwqjhurmKFcxL8JQ28SGd:/iyvRmeLs/ZrwWJjAqGcRJ2xS

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

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\99A40075 = "C:\\Users\\Admin\\AppData\\Roaming\\99A40075\\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/964-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4676	988	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	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
988	winver.exe
988	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
988	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2836	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 988	964	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	85
PID 964 wrote to memory of 988	964	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	85
PID 964 wrote to memory of 988	964	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	85
PID 964 wrote to memory of 988	964	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	85
PID 988 wrote to memory of 2836	988	winver.exe	54
PID 988 wrote to memory of 2528	988	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:2836
- C:\Users\Admin\AppData\Local\Temp\c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe
  "C:\Users\Admin\AppData\Local\Temp\c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:964
- - 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:988
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 352
      4⤵
      Program crash
      PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 988 -ip 988
1⤵
PID:1700

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/964-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/964-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/964-11-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/964-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/964-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/988-5-0x00000000776E2000-0x00000000776E3000-memory.dmp

Filesize
4KB

Download
memory/988-7-0x00007FFA9F410000-0x00007FFA9F605000-memory.dmp

Filesize
2.0MB

Download
memory/988-13-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/988-16-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/2528-15-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2528-18-0x00007FFA9F630000-0x00007FFA9F631000-memory.dmp

Filesize
4KB

Download
memory/2836-6-0x00007FFA9F4AD000-0x00007FFA9F4AE000-memory.dmp

Filesize
4KB

Download
memory/2836-8-0x00007FFA9F640000-0x00007FFA9F641000-memory.dmp

Filesize
4KB

Download
memory/2836-2-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/2836-3-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads