62348772dd645940b1e4fe23cceb0c5a4b26381a338b655308943b9b275333a1

General

Target

informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe
Size

94KB
MD5

dbc35cd99daa5b3f3083e911a43b7c31
SHA1

dcbe9859542d22bc8684d798d9f5227624f5be97
SHA256

47063fabbef0d6759cc4076c988760f82ba0328e878431cce6a3691d052e7b06
SHA512

d8212148e1c5897e1c92b2eb054c9b158eafc49fb3047fe22dd01208c1384212ab388848e746f9c37e2b561975e300fe440fdc9877411f460b4cb7c9666ca641
SSDEEP

1536:CvSM+QtpWT1G9NS89i4XZ0wovNOinmYbGmjBtwiRAd6S9C5Qhkxolh+:Cv3I1G9NnH8vN0eGKBqLMS9cIkxolU

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
860	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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\gtntglna.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Identities\\gtntglna.exe\""	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe
1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe
Token: SeDebugPrivilege	1268	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 860	1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe	27
PID 1668 wrote to memory of 860	1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe	27
PID 1668 wrote to memory of 860	1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe	27
PID 1668 wrote to memory of 860	1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe	27
PID 1668 wrote to memory of 1268	1668	informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe	12
PID 1268 wrote to memory of 1116	1268	Explorer.EXE	6
PID 1268 wrote to memory of 1180	1268	Explorer.EXE	13
PID 1268 wrote to memory of 860	1268	Explorer.EXE	27
PID 1268 wrote to memory of 860	1268	Explorer.EXE	27
PID 1268 wrote to memory of 2024	1268	Explorer.EXE	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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 WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\informationen_zum_transaktions_02JS_2820_JWIOU_29MQ_2001_KA21.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS4245~1.BAT"
    3⤵
    - Deletes itself
    PID:860

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "45461866511896193842016677942-874799103954584709-2129152894-586029591135738814"
1⤵
PID:2024

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\ms4245398.bat

Filesize
201B

MD5
62b380a636f6746cbefd52d6094ed4d8

SHA1
1dfac6d3467f56a2e72d8177f5a4adcd3a98f953

SHA256
0cd6e57f1787b3104acf62e21896e23e3c86a055a47d17bf111a879cf8d20344

SHA512
08b67a828acb1813b5b38fa139e3a5b7b238c67053aaedff731ef53c874b4bda178e0a841871ee17886882fc5e170c5e578895339af5139d9529ba14c8f467c1

Download Submit
memory/860-68-0x00000000000F0000-0x0000000000104000-memory.dmp

Filesize
80KB

Download
memory/1116-70-0x0000000036E40000-0x0000000036E50000-memory.dmp

Filesize
64KB

Download
memory/1116-76-0x0000000000210000-0x0000000000227000-memory.dmp

Filesize
92KB

Download
memory/1180-73-0x0000000036E40000-0x0000000036E50000-memory.dmp

Filesize
64KB

Download
memory/1180-77-0x0000000001AF0000-0x0000000001B07000-memory.dmp

Filesize
92KB

Download
memory/1268-60-0x00000000029D0000-0x00000000029E7000-memory.dmp

Filesize
92KB

Download
memory/1268-62-0x0000000036E40000-0x0000000036E50000-memory.dmp

Filesize
64KB

Download
memory/1268-78-0x00000000029D0000-0x00000000029E7000-memory.dmp

Filesize
92KB

Download
memory/1668-58-0x0000000000060000-0x000000000007B000-memory.dmp

Filesize
108KB

Download
memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1668-63-0x0000000000060000-0x000000000007B000-memory.dmp

Filesize
108KB

Download
memory/1668-56-0x0000000000170000-0x000000000017E000-memory.dmp

Filesize
56KB

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Analysis

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