9f7552b2badad8bf220ebb65773f1bf0933ac12db6c82f90fbc285080546efe5

General

Target

rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
Size

168KB
MD5

03bbe5696e292a27becc2197f1024a16
SHA1

59802f9b918bed69eaf113f1ab24698bd46392d0
SHA256

6452bb100340136bacfe46a6c14d211f409144fe0919768fde8feb52536583a5
SHA512

36b8b3f166e87aa9c34401159dc16d0f757d1750a66bfe580e754677c59666c000a8c92484dec025ab8ec379096e24271435f25fb9e507a36d31bfc70f1bd270
SSDEEP

3072:2dLyZlwEyKcoO29Y5eCPN2bViTphJP12EFs+NLVgu2TVAOWX:oLaw7F3CY5e+CVi/yEXlVh2hk

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1704 cmd.exe

pid	process
1704	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-1-5-21-2292972927-2705560509-2768824231-1000\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

Processes:

rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe

description	pid	process	target process
PID 1004 set thread context of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exerechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exeExplorer.EXE

pid	process
1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.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
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
Token: SeDebugPrivilege	1276	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe

pid	process
1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE

pid	process
1276	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exerechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exeExplorer.EXE

description	pid	process	target process
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1004 wrote to memory of 1548	1004	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1548 wrote to memory of 1704	1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	cmd.exe
PID 1548 wrote to memory of 1704	1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	cmd.exe
PID 1548 wrote to memory of 1704	1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	cmd.exe
PID 1548 wrote to memory of 1704	1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	cmd.exe
PID 1548 wrote to memory of 1276	1548	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe	Explorer.EXE
PID 1276 wrote to memory of 1144	1276	Explorer.EXE	taskhost.exe
PID 1276 wrote to memory of 1240	1276	Explorer.EXE	Dwm.exe
PID 1276 wrote to memory of 1548	1276	Explorer.EXE	rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
PID 1276 wrote to memory of 1704	1276	Explorer.EXE	cmd.exe
PID 1276 wrote to memory of 1384	1276	Explorer.EXE	conhost.exe
PID 1276 wrote to memory of 1384	1276	Explorer.EXE	conhost.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1144

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_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
"C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1004

C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS3907~1.BAT"
4⤵
- Deletes itself
PID:1704

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1240

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-477293407-1118318300-1265302866-1255667971-93332703-275156726205790696-1811526107"
1⤵
PID:1384

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\ms3907252.bat

Filesize
201B

MD5
1a403b47535cb1ba8d2be155d6f11618

SHA1
33833476077beb8138a2e94e05d5e9e83c03d7a2

SHA256
a013cc510f0e9344a2cdeffe4aad36333f7265f936cf27e9a3c3f466073738de

SHA512
ea9cdc735bb55c1fb90bac184c13c5801c33665e82c21c58aa5169461b89b32d81c1214f63c9cd8c650964b2e31563eb21f4beee72b57aa451e682d724c6d375

Download Submit
memory/1004-54-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download
memory/1004-65-0x00000000002F0000-0x00000000002F4000-memory.dmp

Filesize
16KB

Download
memory/1144-94-0x0000000000620000-0x0000000000637000-memory.dmp

Filesize
92KB

Download
memory/1144-82-0x0000000037470000-0x0000000037480000-memory.dmp

Filesize
64KB

Download
memory/1240-95-0x00000000019C0000-0x00000000019D7000-memory.dmp

Filesize
92KB

Download
memory/1240-84-0x0000000037470000-0x0000000037480000-memory.dmp

Filesize
64KB

Download
memory/1276-72-0x0000000002960000-0x0000000002977000-memory.dmp

Filesize
92KB

Download
memory/1276-93-0x0000000002960000-0x0000000002977000-memory.dmp

Filesize
92KB

Download
memory/1276-75-0x0000000037470000-0x0000000037480000-memory.dmp

Filesize
64KB

Download
memory/1548-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-74-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-80-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/1548-64-0x00000000004010C0-mapping.dmp

Download
memory/1548-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1548-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1704-71-0x0000000000000000-mapping.dmp

Download
memory/1704-91-0x00000000004E0000-0x00000000004F4000-memory.dmp

Filesize
80KB

Download
memory/1704-87-0x0000000037620000-0x0000000037630000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads