8554aa3fc330e82995de2b7a39405bee137f1f6f9ded42f63255bb0d2ee9f7fa

General

Target

2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
Size

278KB
MD5

2804797e817cd57397c22538ab71a9b5
SHA1

88b499209f9a610aaa566644193e16bef4ee24c3
SHA256

84d5a9bdbe6311cbd8924e1597d4647025f10c720b03c3f5e37040bcbd983fe5
SHA512

7fa1500fc443c06ed8845ba51ab14fabbbbad710fd61e6be6957b7e0e7b35c701ac50d28797b457ae4cb8c83781e3c8346473dcd4c2b15a006fb2b22fa19b6e1
SSDEEP

6144:TRmQh7YWbNaxXv06kPvLoa32jc3qmpdtPpX:FmQs2Ll6mz

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1616 cmd.exe

pid	process
1616	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ianvmjrr.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\ianvmjrr.exe\""	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exeExplorer.EXE

pid	process
1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE

pid	process
1256	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
Token: SeDebugPrivilege	1256	Explorer.EXE
Token: SeShutdownPrivilege	1256	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exeExplorer.EXE

description	pid	process	target process
PID 1248 wrote to memory of 1616	1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	cmd.exe
PID 1248 wrote to memory of 1616	1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	cmd.exe
PID 1248 wrote to memory of 1616	1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	cmd.exe
PID 1248 wrote to memory of 1616	1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	cmd.exe
PID 1248 wrote to memory of 1256	1248	2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe	Explorer.EXE
PID 1256 wrote to memory of 1120	1256	Explorer.EXE	taskhost.exe
PID 1256 wrote to memory of 1188	1256	Explorer.EXE	Dwm.exe
PID 1256 wrote to memory of 1616	1256	Explorer.EXE	cmd.exe

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

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 WriteProcessMemory
PID:1256

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\ms284298.bat"
3⤵
- Deletes itself
PID:1616

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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

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Downloads

C:\Users\Admin\AppData\Roaming\ms284298.bat

Filesize
201B

MD5
763598dae3c37acfb6a6d97a05cd88ad

SHA1
28f44b6258696c87b77c9e36d55f234d6f23b397

SHA256
a18c505e7ded549c395d5ba64d5e9f9856fa4ad6c0e0f8302c0e72886cb73682

SHA512
8fdadfc37e66a0af0490d43aff4b1e7253b4e758b77e5eb6dc5f56a93b7ffd1f23a96b982cd45b8135874244f47d8da6fa32ada36ee44ca30a6b1feef3618f07

Download Submit
memory/1120-68-0x00000000374A0000-0x00000000374B0000-memory.dmp

Filesize
64KB

Download
memory/1120-70-0x0000000001DA0000-0x0000000001DB7000-memory.dmp

Filesize
92KB

Download
memory/1188-69-0x00000000374A0000-0x00000000374B0000-memory.dmp

Filesize
64KB

Download
memory/1188-71-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/1248-54-0x00000000760A1000-0x00000000760A3000-memory.dmp

Filesize
8KB

Download
memory/1248-60-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/1248-62-0x00000000010A0000-0x00000000010EB000-memory.dmp

Filesize
300KB

Download
memory/1256-56-0x0000000002A10000-0x0000000002A27000-memory.dmp

Filesize
92KB

Download
memory/1256-58-0x00000000374A0000-0x00000000374B0000-memory.dmp

Filesize
64KB

Download
memory/1256-63-0x0000000002A10000-0x0000000002A27000-memory.dmp

Filesize
92KB

Download
memory/1616-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads