tinba | af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6

General

Target

af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
Size

98KB
MD5

fd05bfc52fed79af0b2d06e3841c578d
SHA1

4bee39b7d36f71f49fbc6eb702ef76102544ea36
SHA256

af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6
SHA512

f2c81027c269f7bd3979532cd9f7168fbd0e5637919c8267184118cc93657ea248619fe9078496904466bc8c74372fe3eb19c4fda95dba7ad67ce28f1056c176

Score

10^/10

tinba banker 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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\F74876E7 = "C:\\Users\\Admin\\AppData\\Roaming\\F74876E7\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe

description	pid	process	target process
PID 4800 set thread context of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

424 3872 WerFault.exe DllHost.exe

pid	pid_target	process	target process
424	3872	WerFault.exe	DllHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exewinver.exeWerFault.exe

pid	process
4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
424	WerFault.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe
736	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2900 Explorer.EXE

pid	process
2900	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

WerFault.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	424	WerFault.exe
Token: SeShutdownPrivilege	2900	Explorer.EXE
Token: SeCreatePagefilePrivilege	2900	Explorer.EXE
Token: SeShutdownPrivilege	2900	Explorer.EXE
Token: SeCreatePagefilePrivilege	2900	Explorer.EXE
Token: SeShutdownPrivilege	2900	Explorer.EXE
Token: SeCreatePagefilePrivilege	2900	Explorer.EXE
Token: SeShutdownPrivilege	2900	Explorer.EXE
Token: SeCreatePagefilePrivilege	2900	Explorer.EXE
Token: SeShutdownPrivilege	2900	Explorer.EXE
Token: SeCreatePagefilePrivilege	2900	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

736 winver.exe

pid	process
736	winver.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe

pid	process
4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2900 Explorer.EXE

pid	process
2900	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exeaf57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exewinver.exe

description	pid	process	target process
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4800 wrote to memory of 4280	4800	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
PID 4280 wrote to memory of 736	4280	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	winver.exe
PID 4280 wrote to memory of 736	4280	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	winver.exe
PID 4280 wrote to memory of 736	4280	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	winver.exe
PID 4280 wrote to memory of 736	4280	af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe	winver.exe
PID 736 wrote to memory of 2900	736	winver.exe	Explorer.EXE
PID 736 wrote to memory of 2344	736	winver.exe	sihost.exe
PID 736 wrote to memory of 2360	736	winver.exe	svchost.exe
PID 736 wrote to memory of 2488	736	winver.exe	taskhostw.exe
PID 736 wrote to memory of 2900	736	winver.exe	Explorer.EXE
PID 736 wrote to memory of 3356	736	winver.exe	ShellExperienceHost.exe
PID 736 wrote to memory of 3364	736	winver.exe	SearchUI.exe
PID 736 wrote to memory of 3616	736	winver.exe	RuntimeBroker.exe
PID 736 wrote to memory of 3872	736	winver.exe	DllHost.exe
PID 736 wrote to memory of 3596	736	winver.exe	DllHost.exe
PID 736 wrote to memory of 3060	736	winver.exe
PID 736 wrote to memory of 424	736	winver.exe	WerFault.exe

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3356

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3872

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3872 -s 836
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:424

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3616

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3364

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:2900

C:\Users\Admin\AppData\Local\Temp\af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
"C:\Users\Admin\AppData\Local\Temp\af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800

C:\Users\Admin\AppData\Local\Temp\af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
C:\Users\Admin\AppData\Local\Temp\af57c74d8a1eb56ce2647076959da9b933a7aeaf27bce93d088c3f8cf715a2a6.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4280

C:\Windows\SysWOW64\winver.exe
winver
4⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:736

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2488

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2360

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2344

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:3596

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/424-132-0x00007FFDAE930000-0x00007FFDAE931000-memory.dmp

Filesize
4KB

Download
memory/424-131-0x00007FFDAE940000-0x00007FFDAE941000-memory.dmp

Filesize
4KB

Download
memory/424-130-0x00007FFDAE920000-0x00007FFDAE921000-memory.dmp

Filesize
4KB

Download
memory/736-117-0x0000000000000000-mapping.dmp

Download
memory/736-120-0x0000000000AF0000-0x0000000000C3A000-memory.dmp

Filesize
1.3MB

Download
memory/736-126-0x00000000045E0000-0x00000000045E6000-memory.dmp

Filesize
24KB

Download
memory/2344-122-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2360-124-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2488-125-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/2900-123-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/2900-121-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/2900-133-0x00007FFDAE940000-0x00007FFDAE941000-memory.dmp

Filesize
4KB

Download
memory/3596-128-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3616-127-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/4280-119-0x0000000001710000-0x0000000002110000-memory.dmp

Filesize
10.0MB

Download
memory/4280-118-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/4280-116-0x0000000000401000-mapping.dmp

Download
memory/4280-115-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/4800-114-0x00000000009D0000-0x00000000009D4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads