f320c101ce6c5245fd3ba4bbbf046a0475e175f079888ad0e1a81896d4a2600b

General

Target

ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
Size

164KB
MD5

cdaa35954dcd153996ce975b91fe719d
SHA1

091608f039e47e20f3f275a70ea258c7c1e9d9a0
SHA256

c8f5fab9ca9289342ae92ed1ef056e687f906fc40bbcfe2bee55d639157e06f4
SHA512

89bab6eb07c59317f6bd06c24767d73e9919a6602571451c4e0b2b7f17c5b6a820d31544928cc8f06719bbb88117dd73f788f714d2363d2bba0c3639d781058a
SSDEEP

3072:GJ/YG2oBmsmoA29aps+uqp65kpfuDrBNRUCLBEpXTfW0281UaOAfXTVRI9Jf+yY:GJ/GoMs1Ale5FBQrW028bOyXTHI

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2032	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 use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1588 set thread context of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
Token: SeDebugPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 1588 wrote to memory of 904	1588	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	27
PID 904 wrote to memory of 2032	904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	28
PID 904 wrote to memory of 2032	904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	28
PID 904 wrote to memory of 2032	904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	28
PID 904 wrote to memory of 2032	904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	28
PID 904 wrote to memory of 1208	904	ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe	14
PID 1208 wrote to memory of 1092	1208	Explorer.EXE	17
PID 1208 wrote to memory of 1180	1208	Explorer.EXE	15
PID 1208 wrote to memory of 2032	1208	Explorer.EXE	28
PID 1208 wrote to memory of 2032	1208	Explorer.EXE	28
PID 1208 wrote to memory of 2036	1208	Explorer.EXE	29

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:1208
- C:\Users\Admin\AppData\Local\Temp\ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
  "C:\Users\Admin\AppData\Local\Temp\ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Users\Admin\AppData\Local\Temp\ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
    C:\Users\Admin\AppData\Local\Temp\ihre_rechnung_11_2014_02_45_001_033_756_938923002_2210500407_3_0_5_22_29_9002_002001028.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:904
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS2660~1.BAT"
      4⤵
      Deletes itself
      PID:2032

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "2138139825208155229746120174346465385-1401367999-1778201770-1009192326-1593754064"
1⤵
PID:2036

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\ms2660629.bat

Filesize
201B

MD5
f7e9ea472cbe01d737f1da0ece7b113b

SHA1
db154f7217e0b44352732f6ad3ac777d5411d0f6

SHA256
8f2ebab90ef0eec6997e04565ddb43d94e9335069390b4ad865071a7287d56ac

SHA512
0d4cb88902df972f7bc421df302b4d726e29e1ea582ec8313f08bcebdb95173cf5ed48a07ead55e237a192c37f0123389609d47f71f2e2cbdd6459cce435c9ce

Download Submit
memory/904-64-0x00000000004010C0-mapping.dmp

Download
memory/904-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-74-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/904-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1092-87-0x00000000372F0000-0x0000000037300000-memory.dmp

Filesize
64KB

Download
memory/1092-91-0x0000000001CB0000-0x0000000001CC7000-memory.dmp

Filesize
92KB

Download
memory/1180-93-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/1180-86-0x00000000372F0000-0x0000000037300000-memory.dmp

Filesize
64KB

Download
memory/1208-94-0x0000000002200000-0x0000000002217000-memory.dmp

Filesize
92KB

Download
memory/1208-72-0x0000000002200000-0x0000000002217000-memory.dmp

Filesize
92KB

Download
memory/1208-92-0x0000000002200000-0x0000000002217000-memory.dmp

Filesize
92KB

Download
memory/1208-75-0x00000000372F0000-0x0000000037300000-memory.dmp

Filesize
64KB

Download
memory/1588-65-0x00000000002C0000-0x00000000002C4000-memory.dmp

Filesize
16KB

Download
memory/1588-54-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/2032-80-0x00000000000F0000-0x0000000000104000-memory.dmp

Filesize
80KB

Download
memory/2032-71-0x0000000000000000-mapping.dmp

Download
memory/2036-90-0x00000000000D0000-0x00000000000E7000-memory.dmp

Filesize
92KB

Download
memory/2036-88-0x00000000372F0000-0x0000000037300000-memory.dmp

Filesize
64KB

Download

Analysis

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