ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f

Analysis

max time kernel
151s
max time network
97s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 12:56

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General

Target

ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe
Size

260KB
MD5

d597f11a6a547a91b4bdbadf478792d6
SHA1

8b14288ce560c836429f4254ccc3ce09857d326d
SHA256

ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f
SHA512

cbe3613fc966e8293e343ed058ba4a1056af38b2607f8a143a18ed4e6c4fae2e0bee8bea46f5ecb2855142742bb3c1a77ff25dd251475368ae411bf203204698
SSDEEP

6144:VTqCiHK2Eod+x7tGA70u/sifnAj8EoO1tA3w9:5oqc+tGA7v/siImO17

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1648	ygevi.exe
1692	ygevi.exe

Deletes itself 1 IoCs

pid	Process
268	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe
1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe

Adds Run key to start application 2 TTPs 3 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	ygevi.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\Currentversion\Run	ygevi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Luebti = "C:\\Users\\Admin\\AppData\\Roaming\\Cewuag\\ygevi.exe"	ygevi.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 1648 set thread context of 1692	1648	ygevi.exe	29

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe
1692	ygevi.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe
Token: SeSecurityPrivilege	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 2032 wrote to memory of 1608	2032	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	27
PID 1608 wrote to memory of 1648	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	28
PID 1608 wrote to memory of 1648	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	28
PID 1608 wrote to memory of 1648	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	28
PID 1608 wrote to memory of 1648	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	28
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1648 wrote to memory of 1692	1648	ygevi.exe	29
PID 1608 wrote to memory of 268	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	30
PID 1608 wrote to memory of 268	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	30
PID 1608 wrote to memory of 268	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	30
PID 1608 wrote to memory of 268	1608	ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe	30
PID 1692 wrote to memory of 1136	1692	ygevi.exe	15
PID 1692 wrote to memory of 1136	1692	ygevi.exe	15
PID 1692 wrote to memory of 1136	1692	ygevi.exe	15
PID 1692 wrote to memory of 1136	1692	ygevi.exe	15
PID 1692 wrote to memory of 1136	1692	ygevi.exe	15
PID 1692 wrote to memory of 1232	1692	ygevi.exe	14
PID 1692 wrote to memory of 1232	1692	ygevi.exe	14
PID 1692 wrote to memory of 1232	1692	ygevi.exe	14
PID 1692 wrote to memory of 1232	1692	ygevi.exe	14
PID 1692 wrote to memory of 1232	1692	ygevi.exe	14
PID 1692 wrote to memory of 1268	1692	ygevi.exe	13
PID 1692 wrote to memory of 1268	1692	ygevi.exe	13
PID 1692 wrote to memory of 1268	1692	ygevi.exe	13
PID 1692 wrote to memory of 1268	1692	ygevi.exe	13
PID 1692 wrote to memory of 1268	1692	ygevi.exe	13
PID 1692 wrote to memory of 1388	1692	ygevi.exe	32
PID 1692 wrote to memory of 1388	1692	ygevi.exe	32
PID 1692 wrote to memory of 1388	1692	ygevi.exe	32
PID 1692 wrote to memory of 1388	1692	ygevi.exe	32
PID 1692 wrote to memory of 1388	1692	ygevi.exe	32
PID 1692 wrote to memory of 824	1692	ygevi.exe	33
PID 1692 wrote to memory of 824	1692	ygevi.exe	33
PID 1692 wrote to memory of 824	1692	ygevi.exe	33
PID 1692 wrote to memory of 824	1692	ygevi.exe	33
PID 1692 wrote to memory of 824	1692	ygevi.exe	33
PID 1692 wrote to memory of 1380	1692	ygevi.exe	34
PID 1692 wrote to memory of 1380	1692	ygevi.exe	34
PID 1692 wrote to memory of 1380	1692	ygevi.exe	34
PID 1692 wrote to memory of 1380	1692	ygevi.exe	34
PID 1692 wrote to memory of 1380	1692	ygevi.exe	34
PID 1692 wrote to memory of 1696	1692	ygevi.exe	35
PID 1692 wrote to memory of 1696	1692	ygevi.exe	35
PID 1692 wrote to memory of 1696	1692	ygevi.exe	35
PID 1692 wrote to memory of 1696	1692	ygevi.exe	35
PID 1692 wrote to memory of 1696	1692	ygevi.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268
- C:\Users\Admin\AppData\Local\Temp\ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe
  "C:\Users\Admin\AppData\Local\Temp\ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Users\Admin\AppData\Local\Temp\ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe
    "C:\Users\Admin\AppData\Local\Temp\ccf5bc06ef52229331375d0a89707598920c23069634085cbdab300c9de5941f.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe
      "C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:1648
    - - C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe
        
        "C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1692
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp8b4c6837.bat"
      4⤵
      Deletes itself
      PID:268

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1136

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1388

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:824

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1380

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1696

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\tmp8b4c6837.bat

Filesize
307B

MD5
283ea5143d32c542e5eae4075f8a12b3

SHA1
82153cf177ea08533c8578e4ac616dffad047de1

SHA256
5750c0215dab2ce6694eebfd746ea9e06d630faddedd50df6672957dd0c802c7

SHA512
60271f3219748607e757a923faa8194e8ba4af2aa58feba8fded8e3b45c1149a1507f9000cb831932543384986105c1d6113dfdd589238a79a7f57fa69ceb887

Download Submit
C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe

Filesize
260KB

MD5
dc7ae529628cf79d82721277d1008e55

SHA1
22a8449887e10da6e9872a5ca2f041b74920808b

SHA256
edbef1546bf722ddb4cfec3592afa4fdc416cd7380cdc56021c009c3632cbe25

SHA512
3a4ddabddecfc7ee1bcb2986ea212ebaf948f406123dbb83bcbf522ece15f23fe2ff9bd29b5595163742a784c3f395499499d49299024e4c3357420e698125be

Download Submit
C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe

Filesize
260KB

MD5
dc7ae529628cf79d82721277d1008e55

SHA1
22a8449887e10da6e9872a5ca2f041b74920808b

SHA256
edbef1546bf722ddb4cfec3592afa4fdc416cd7380cdc56021c009c3632cbe25

SHA512
3a4ddabddecfc7ee1bcb2986ea212ebaf948f406123dbb83bcbf522ece15f23fe2ff9bd29b5595163742a784c3f395499499d49299024e4c3357420e698125be

Download Submit
C:\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe

Filesize
260KB

MD5
dc7ae529628cf79d82721277d1008e55

SHA1
22a8449887e10da6e9872a5ca2f041b74920808b

SHA256
edbef1546bf722ddb4cfec3592afa4fdc416cd7380cdc56021c009c3632cbe25

SHA512
3a4ddabddecfc7ee1bcb2986ea212ebaf948f406123dbb83bcbf522ece15f23fe2ff9bd29b5595163742a784c3f395499499d49299024e4c3357420e698125be

Download Submit
\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe

Filesize
260KB

MD5
dc7ae529628cf79d82721277d1008e55

SHA1
22a8449887e10da6e9872a5ca2f041b74920808b

SHA256
edbef1546bf722ddb4cfec3592afa4fdc416cd7380cdc56021c009c3632cbe25

SHA512
3a4ddabddecfc7ee1bcb2986ea212ebaf948f406123dbb83bcbf522ece15f23fe2ff9bd29b5595163742a784c3f395499499d49299024e4c3357420e698125be

Download Submit
\Users\Admin\AppData\Roaming\Cewuag\ygevi.exe

Filesize
260KB

MD5
dc7ae529628cf79d82721277d1008e55

SHA1
22a8449887e10da6e9872a5ca2f041b74920808b

SHA256
edbef1546bf722ddb4cfec3592afa4fdc416cd7380cdc56021c009c3632cbe25

SHA512
3a4ddabddecfc7ee1bcb2986ea212ebaf948f406123dbb83bcbf522ece15f23fe2ff9bd29b5595163742a784c3f395499499d49299024e4c3357420e698125be

Download Submit
memory/268-84-0x0000000000000000-mapping.dmp

Download
memory/824-114-0x00000000000F0000-0x0000000000129000-memory.dmp

Filesize
228KB

Download
memory/824-116-0x00000000000F0000-0x0000000000129000-memory.dmp

Filesize
228KB

Download
memory/824-117-0x00000000000F0000-0x0000000000129000-memory.dmp

Filesize
228KB

Download
memory/824-115-0x00000000000F0000-0x0000000000129000-memory.dmp

Filesize
228KB

Download
memory/1136-87-0x0000000001ED0000-0x0000000001F09000-memory.dmp

Filesize
228KB

Download
memory/1136-88-0x0000000001ED0000-0x0000000001F09000-memory.dmp

Filesize
228KB

Download
memory/1136-89-0x0000000001ED0000-0x0000000001F09000-memory.dmp

Filesize
228KB

Download
memory/1136-91-0x0000000001ED0000-0x0000000001F09000-memory.dmp

Filesize
228KB

Download
memory/1232-98-0x00000000001D0000-0x0000000000209000-memory.dmp

Filesize
228KB

Download
memory/1232-94-0x00000000001D0000-0x0000000000209000-memory.dmp

Filesize
228KB

Download
memory/1232-95-0x00000000001D0000-0x0000000000209000-memory.dmp

Filesize
228KB

Download
memory/1232-97-0x00000000001D0000-0x0000000000209000-memory.dmp

Filesize
228KB

Download
memory/1268-102-0x00000000029C0000-0x00000000029F9000-memory.dmp

Filesize
228KB

Download
memory/1268-101-0x00000000029C0000-0x00000000029F9000-memory.dmp

Filesize
228KB

Download
memory/1268-104-0x00000000029C0000-0x00000000029F9000-memory.dmp

Filesize
228KB

Download
memory/1268-103-0x00000000029C0000-0x00000000029F9000-memory.dmp

Filesize
228KB

Download
memory/1380-123-0x0000000001B80000-0x0000000001BB9000-memory.dmp

Filesize
228KB

Download
memory/1380-122-0x0000000001B80000-0x0000000001BB9000-memory.dmp

Filesize
228KB

Download
memory/1380-121-0x0000000001B80000-0x0000000001BB9000-memory.dmp

Filesize
228KB

Download
memory/1380-120-0x0000000001B80000-0x0000000001BB9000-memory.dmp

Filesize
228KB

Download
memory/1388-108-0x0000000003B60000-0x0000000003B99000-memory.dmp

Filesize
228KB

Download
memory/1388-109-0x0000000003B60000-0x0000000003B99000-memory.dmp

Filesize
228KB

Download
memory/1388-111-0x0000000003B60000-0x0000000003B99000-memory.dmp

Filesize
228KB

Download
memory/1388-110-0x0000000003B60000-0x0000000003B99000-memory.dmp

Filesize
228KB

Download
memory/1608-56-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-65-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-90-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-62-0x0000000000432055-mapping.dmp

Download
memory/1608-71-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-59-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-58-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-61-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1608-55-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1648-68-0x0000000000000000-mapping.dmp

Download
memory/1692-80-0x0000000000432055-mapping.dmp

Download
memory/1692-105-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1696-126-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/1696-127-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/1696-128-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/1696-129-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2032-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download