cce636ef0fe6784172b70afabb5f574b154236004fa6c33a43bb5c8247679ba3

General

Target

2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
Size

160KB
MD5

4320fecf4c53849d9333b3a60bb80736
SHA1

1b076c59621ca6ef11f03c83a9d5ed8f9e15fa95
SHA256

98158c998d706cf68b702ad7cf03fb5b2e80fb8fbcd3b760ba64e8b19500157b
SHA512

14f54cd7f06403c510916dca7dc130665bdda948316e0084625825222819a5530465e3938fc38d5d4d3894a21b90d088d7d7aafbf347a37d1a069390861b6e6f
SSDEEP

3072:J7tIqiClx3wYLyscpNvw2ugAcWIT08wwOSVOWbCh7v:5tImlx3wYLyj7vwpsh0ZiWD

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1472	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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\usrbdvpp.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\usrbdvpp.exe\""	Explorer.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1220	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
Token: SeDebugPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1544 wrote to memory of 1612	1544	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	26
PID 1612 wrote to memory of 1472	1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 1612 wrote to memory of 1472	1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 1612 wrote to memory of 1472	1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 1612 wrote to memory of 1472	1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	27
PID 1612 wrote to memory of 1220	1612	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	13
PID 1220 wrote to memory of 1132	1220	Explorer.EXE	15
PID 1220 wrote to memory of 1188	1220	Explorer.EXE	14
PID 1220 wrote to memory of 1472	1220	Explorer.EXE	27
PID 1220 wrote to memory of 1076	1220	Explorer.EXE	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
  "C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
    C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1612
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS9502~1.BAT"
      4⤵
      Deletes itself
      PID:1472

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "4080988926241801491081384451-6701979841759966134-869336091-2531670782085626532"
1⤵
PID:1076

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ms9502267.bat

Filesize
201B

MD5
400631c2800e7395e54f6e6027bc8283

SHA1
e4a194937f3c2915e5f5b9698b45e2271d5fc0a0

SHA256
bbaef17973db0bfad69637088c466783588bf462d2250c289ca2f1b081bbc969

SHA512
521eabc241b3293c903e00d8678ecf854615b0a6f509a0f5aad8f5e48c0f53e1a1def207219cb6b0f9d0274384a099c25b34505f48aa5f4da9d2f7248403a06a

Download Submit
memory/1132-89-0x0000000001DA0000-0x0000000001DB7000-memory.dmp

Filesize
92KB

Download
memory/1132-84-0x0000000037330000-0x0000000037340000-memory.dmp

Filesize
64KB

Download
memory/1188-90-0x0000000001AE0000-0x0000000001AF7000-memory.dmp

Filesize
92KB

Download
memory/1188-85-0x0000000037330000-0x0000000037340000-memory.dmp

Filesize
64KB

Download
memory/1220-72-0x00000000029F0000-0x0000000002A07000-memory.dmp

Filesize
92KB

Download
memory/1220-88-0x00000000029F0000-0x0000000002A07000-memory.dmp

Filesize
92KB

Download
memory/1220-75-0x0000000037330000-0x0000000037340000-memory.dmp

Filesize
64KB

Download
memory/1472-81-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/1472-71-0x0000000000000000-mapping.dmp

Download
memory/1472-87-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/1544-54-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1544-66-0x0000000000250000-0x0000000000254000-memory.dmp

Filesize
16KB

Download
memory/1612-74-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-64-0x00000000004010C0-mapping.dmp

Download
memory/1612-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1612-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

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