68b5f720f538ffb1400397fedcca3fc281a7daf1e9594f3a44985b93c33dd166

Analysis

max time kernel
147s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 03:49

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General

Target
rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
Size 180KB
Sample221124-edkyeafc82
SHA256 0ed91af7f5dd71ee724ef0bddaae43bdd10721fa21f2b226f69f3156085126fc
MD5 f96874ad23fde2f0b3af2af1565beb73
SHA1 16e63fa7df0f2e8964d2e9cf2541b9ccd5c31106
SHA512 e5c621a7bd62832ba331b2d0ee40d72e81d9a6892a662ded20c1c23e56b553b829f1691293728b1a8d190c6dd3c0dfdccfe77551ebe2bf7e3220d411c77e803d
SSDEEP 3072:t1ezQdDuZph4fWy6c3v40y+rzqVCr+YARsI6u2t4Y9sBG0hac0v2D+:t1eUNuFIdt3vTrz1r+R7F2t4pUO
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1508	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ypbkryye.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\ypbkryye.exe\""	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
Token: SeDebugPrivilege	1276	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1276	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1508	1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	27
PID 1092 wrote to memory of 1508	1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	27
PID 1092 wrote to memory of 1508	1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	27
PID 1092 wrote to memory of 1508	1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	27
PID 1092 wrote to memory of 1276	1092	rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe	8
PID 1276 wrote to memory of 1128	1276	Explorer.EXE	15
PID 1276 wrote to memory of 1244	1276	Explorer.EXE	14
PID 1276 wrote to memory of 1508	1276	Explorer.EXE	27

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe
  "C:\Users\Admin\AppData\Local\Temp\rechnung_11_2014_3280000236_telekom_de_002839300002_11_0000352899_000005.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS6137~1.BAT"
    3⤵
    - Deletes itself
    PID:1508

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1244

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ms6137067.bat

Path C:\Users\Admin\AppData\Roaming\ms6137067.bat
Size 201B
SHA256 db068c8005580e0863285416aad7bec55f6955e87780c258b3ad53ebcc6de850
MD5 07400f2b1f491327c1ecc8727baf73d5
SHA1 c8119f5a4c7819e932e20444cd49cc9405bbb9bc
SHA512 5a8afdd8b44817c9363ebff08c059da80728b61c6f4de5169375a9c6e1e90a2a74de846fc7ff101bb634ba51a0f6ff395400c64c2d9f56efc98a4fd826b065e2
MD5 SHA1 SHA512

Submit Download

memory/1092-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

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memory/1092-58-0x0000000000290000-0x000000000029D000-memory.dmp

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memory/1092-59-0x0000000001390000-0x00000000013C5000-memory.dmp

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memory/1128-66-0x0000000036D80000-0x0000000036D90000-memory.dmp

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memory/1128-70-0x0000000001C00000-0x0000000001C17000-memory.dmp

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memory/1244-68-0x0000000036D80000-0x0000000036D90000-memory.dmp

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memory/1244-71-0x0000000001BB0000-0x0000000001BC7000-memory.dmp

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memory/1276-56-0x00000000029F0000-0x0000000002A07000-memory.dmp

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memory/1276-61-0x0000000036D80000-0x0000000036D90000-memory.dmp

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memory/1276-69-0x00000000029F0000-0x0000000002A07000-memory.dmp

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