248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62

Analysis

max time kernel
152s
max time network
195s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 00:32

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General

Target

248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe
Size

426KB
MD5

04a70c1e4bf0e18f5ac4f8744e091af4
SHA1

f966dadc74fe920f0e0e3b5a8bf4e6748762fd43
SHA256

248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62
SHA512

0e3912c4d65fc597115f35119548446b414aaf96dbeea23df0be7aa9bb876f8d3198fc039dd03cfbeaac820027f6ce4b487df547baa2ce24b50237c9070f069f
SSDEEP

6144:Z1DseJMObY5a94KniQOMth6N6aiZt9Z9ODyP3bpr:Z1jN39QTYainT9OD6Nr

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2036	ymyce.exe

Deletes itself 1 IoCs

pid	Process
596	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\Currentversion\Run	ymyce.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\{A87A45C8-3774-AD4D-8524-3978BFBA1A65} = "C:\\Users\\Admin\\AppData\\Roaming\\Vuwe\\ymyce.exe"	ymyce.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe
2036	ymyce.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe
2036	ymyce.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2036	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	28
PID 1120 wrote to memory of 2036	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	28
PID 1120 wrote to memory of 2036	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	28
PID 1120 wrote to memory of 2036	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	28
PID 2036 wrote to memory of 1112	2036	ymyce.exe	18
PID 2036 wrote to memory of 1112	2036	ymyce.exe	18
PID 2036 wrote to memory of 1112	2036	ymyce.exe	18
PID 2036 wrote to memory of 1112	2036	ymyce.exe	18
PID 2036 wrote to memory of 1112	2036	ymyce.exe	18
PID 2036 wrote to memory of 1156	2036	ymyce.exe	19
PID 2036 wrote to memory of 1156	2036	ymyce.exe	19
PID 2036 wrote to memory of 1156	2036	ymyce.exe	19
PID 2036 wrote to memory of 1156	2036	ymyce.exe	19
PID 2036 wrote to memory of 1156	2036	ymyce.exe	19
PID 2036 wrote to memory of 1188	2036	ymyce.exe	20
PID 2036 wrote to memory of 1188	2036	ymyce.exe	20
PID 2036 wrote to memory of 1188	2036	ymyce.exe	20
PID 2036 wrote to memory of 1188	2036	ymyce.exe	20
PID 2036 wrote to memory of 1188	2036	ymyce.exe	20
PID 2036 wrote to memory of 1120	2036	ymyce.exe	27
PID 2036 wrote to memory of 1120	2036	ymyce.exe	27
PID 2036 wrote to memory of 1120	2036	ymyce.exe	27
PID 2036 wrote to memory of 1120	2036	ymyce.exe	27
PID 2036 wrote to memory of 1120	2036	ymyce.exe	27
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29
PID 1120 wrote to memory of 596	1120	248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe
  "C:\Users\Admin\AppData\Local\Temp\248a6afab849a9bd5149f0923bceed37c962264570a085017042f84305a6be62.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Users\Admin\AppData\Roaming\Vuwe\ymyce.exe
    "C:\Users\Admin\AppData\Roaming\Vuwe\ymyce.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2036
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpfaf106d4.bat"
    3⤵
    - Deletes itself
    PID:596

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpfaf106d4.bat

Filesize
307B

MD5
2b07679485e8c56388bb48bd61065a3d

SHA1
40e6a6c438736db25a570cc5ed534e82914c2c7e

SHA256
b59d0c573cc96cb1712e2b7c9cba23543835f86f08baec3a2089f6491456b26a

SHA512
83083207590184d9ee7606c1bd1545057d50e4bd7e382848c177b850dcb843d6e469bfea70bfe287865f4c2566140161577f33d5dd7fa53959fb93089bdc2a13

Download Submit
C:\Users\Admin\AppData\Roaming\Vuwe\ymyce.exe

Filesize
426KB

MD5
e54d2eae0f933079e7e758f5ca00cc00

SHA1
9170fa9f1e3d55c52baf8a84026f86add588aefe

SHA256
1704672f380fa4429e69ba25b17cf9aafdd9ddf2e39b1259ca8d9928ea33c499

SHA512
22b60150326d328ea8ae5649cd9e7296de9e3f440b840a1aab71135f6900a017939e74eee5f65035f0158b4852616a5957890dfadf65836c45c68b560dbb0385

Download Submit
C:\Users\Admin\AppData\Roaming\Vuwe\ymyce.exe

Filesize
426KB

MD5
e54d2eae0f933079e7e758f5ca00cc00

SHA1
9170fa9f1e3d55c52baf8a84026f86add588aefe

SHA256
1704672f380fa4429e69ba25b17cf9aafdd9ddf2e39b1259ca8d9928ea33c499

SHA512
22b60150326d328ea8ae5649cd9e7296de9e3f440b840a1aab71135f6900a017939e74eee5f65035f0158b4852616a5957890dfadf65836c45c68b560dbb0385

Download Submit
\Users\Admin\AppData\Roaming\Vuwe\ymyce.exe

Filesize
426KB

MD5
e54d2eae0f933079e7e758f5ca00cc00

SHA1
9170fa9f1e3d55c52baf8a84026f86add588aefe

SHA256
1704672f380fa4429e69ba25b17cf9aafdd9ddf2e39b1259ca8d9928ea33c499

SHA512
22b60150326d328ea8ae5649cd9e7296de9e3f440b840a1aab71135f6900a017939e74eee5f65035f0158b4852616a5957890dfadf65836c45c68b560dbb0385

Download Submit
memory/596-107-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/596-113-0x0000000000050000-0x0000000000096000-memory.dmp

Filesize
280KB

Download
memory/596-99-0x0000000000050000-0x0000000000096000-memory.dmp

Filesize
280KB

Download
memory/596-101-0x0000000000050000-0x0000000000096000-memory.dmp

Filesize
280KB

Download
memory/596-100-0x0000000000050000-0x0000000000096000-memory.dmp

Filesize
280KB

Download
memory/596-111-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/596-106-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/596-110-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/596-109-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/596-108-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/596-97-0x0000000000050000-0x0000000000096000-memory.dmp

Filesize
280KB

Download
memory/1112-64-0x0000000001C80000-0x0000000001CC6000-memory.dmp

Filesize
280KB

Download
memory/1112-65-0x0000000001C80000-0x0000000001CC6000-memory.dmp

Filesize
280KB

Download
memory/1112-67-0x0000000001C80000-0x0000000001CC6000-memory.dmp

Filesize
280KB

Download
memory/1112-66-0x0000000001C80000-0x0000000001CC6000-memory.dmp

Filesize
280KB

Download
memory/1112-62-0x0000000001C80000-0x0000000001CC6000-memory.dmp

Filesize
280KB

Download
memory/1120-86-0x0000000001E10000-0x0000000001E56000-memory.dmp

Filesize
280KB

Download
memory/1120-75-0x00000000002D0000-0x0000000000316000-memory.dmp

Filesize
280KB

Download
memory/1120-55-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1120-54-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download
memory/1120-88-0x0000000001E10000-0x0000000001E56000-memory.dmp

Filesize
280KB

Download
memory/1120-87-0x0000000001E10000-0x0000000001E56000-memory.dmp

Filesize
280KB

Download
memory/1120-89-0x0000000001E10000-0x0000000001E56000-memory.dmp

Filesize
280KB

Download
memory/1120-90-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1120-91-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1120-93-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1120-94-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1120-92-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1120-56-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1120-104-0x0000000001E10000-0x0000000001E56000-memory.dmp

Filesize
280KB

Download
memory/1120-103-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1120-77-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1156-73-0x00000000001D0000-0x0000000000216000-memory.dmp

Filesize
280KB

Download
memory/1156-72-0x00000000001D0000-0x0000000000216000-memory.dmp

Filesize
280KB

Download
memory/1156-71-0x00000000001D0000-0x0000000000216000-memory.dmp

Filesize
280KB

Download
memory/1156-70-0x00000000001D0000-0x0000000000216000-memory.dmp

Filesize
280KB

Download
memory/1188-78-0x0000000002AB0000-0x0000000002AF6000-memory.dmp

Filesize
280KB

Download
memory/1188-82-0x0000000002AB0000-0x0000000002AF6000-memory.dmp

Filesize
280KB

Download
memory/1188-80-0x0000000002AB0000-0x0000000002AF6000-memory.dmp

Filesize
280KB

Download
memory/1188-83-0x0000000002AB0000-0x0000000002AF6000-memory.dmp

Filesize
280KB

Download
memory/2036-79-0x00000000002A0000-0x00000000002E6000-memory.dmp

Filesize
280KB

Download
memory/2036-81-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2036-114-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download