tinba | b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345

General

Target

b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
Size

152KB
MD5

c4f9a35e5e7b74b08bbf5a60f3041631
SHA1

3eb9356324243d6210c08d927ff8711f670246ea
SHA256

b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345
SHA512

6f39c8eb420843d7c8087b056ec7337e465467fe6cd95f0caf20ece243f5e24d3c7c9de313ef06333485946a92e6c3388f2ea9fe49670cadb978a7a2269d3e20

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\E5BDADBD = "C:\\Users\\Admin\\AppData\\Roaming\\E5BDADBD\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe

description	pid	process	target process
PID 4656 set thread context of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3940 3840 WerFault.exe DllHost.exe

pid	pid_target	process	target process
3940	3840	WerFault.exe	DllHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exewinver.exeWerFault.exe

pid	process
4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3940	WerFault.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe
3692	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE

pid	process
3048	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

WerFault.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3940	WerFault.exe
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

3692 winver.exe

pid	process
3692	winver.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe

pid	process
4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE

pid	process
3048	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exeb3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exewinver.exe

description	pid	process	target process
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 4656 wrote to memory of 3688	4656	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
PID 3688 wrote to memory of 3692	3688	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	winver.exe
PID 3688 wrote to memory of 3692	3688	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	winver.exe
PID 3688 wrote to memory of 3692	3688	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	winver.exe
PID 3688 wrote to memory of 3692	3688	b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe	winver.exe
PID 3692 wrote to memory of 3048	3692	winver.exe	Explorer.EXE
PID 3692 wrote to memory of 2332	3692	winver.exe	sihost.exe
PID 3692 wrote to memory of 2352	3692	winver.exe	svchost.exe
PID 3692 wrote to memory of 2448	3692	winver.exe	taskhostw.exe
PID 3692 wrote to memory of 3048	3692	winver.exe	Explorer.EXE
PID 3692 wrote to memory of 3336	3692	winver.exe	ShellExperienceHost.exe
PID 3692 wrote to memory of 3348	3692	winver.exe	SearchUI.exe
PID 3692 wrote to memory of 3584	3692	winver.exe	RuntimeBroker.exe
PID 3692 wrote to memory of 3840	3692	winver.exe	DllHost.exe
PID 3692 wrote to memory of 5108	3692	winver.exe	DllHost.exe
PID 3692 wrote to memory of 4272	3692	winver.exe
PID 3692 wrote to memory of 3940	3692	winver.exe	WerFault.exe
PID 3692 wrote to memory of 860	3692	winver.exe	slui.exe

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2352

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3336

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3840

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3840 -s 836
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3940

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3584

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3348

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3048

C:\Users\Admin\AppData\Local\Temp\b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
"C:\Users\Admin\AppData\Local\Temp\b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656

C:\Users\Admin\AppData\Local\Temp\b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
C:\Users\Admin\AppData\Local\Temp\b3b963488acd8e02409dde8b659a8274a50260d24e98f3344161420cc0455345.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:3688

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:3692

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2448

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2332

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:5108

C:\Windows\System32\slui.exe
C:\Windows\System32\slui.exe -Embedding
1⤵
PID:860

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/860-131-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/2332-122-0x0000000000010000-0x0000000000016000-memory.dmp

Filesize
24KB

Download
memory/2352-125-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/2448-124-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3048-129-0x00007FFA78680000-0x00007FFA78681000-memory.dmp

Filesize
4KB

Download
memory/3048-123-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3048-121-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3584-126-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3688-117-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/3688-118-0x0000000001760000-0x0000000002160000-memory.dmp

Filesize
10.0MB

Download
memory/3688-114-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/3688-115-0x0000000000401000-mapping.dmp

Download
memory/3692-120-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3692-119-0x0000000000000000-mapping.dmp

Download
memory/3692-128-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/4656-116-0x0000000002240000-0x0000000002244000-memory.dmp

Filesize
16KB

Download
memory/5108-127-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads