088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece

Analysis

max time kernel
152s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 15:54

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General

Target

088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe
Size

359KB
MD5

03c98c932377086d5be24c119ff01175
SHA1

0b93bd233ddc8c1cfb5886116f37fb7c1315a5ef
SHA256

088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece
SHA512

bf100d25e83e0043b9c86433968eb5f70395240c79428d51d7fb563ec14e99d394b3c753d7b2c6b686939e2a4f032baa726e9c1146eb526dd6da4ac6f7e80650
SSDEEP

6144:xtF0wPmBjrtRAlXlNa01/Fjm+qbtPeXCOmdsP1F9nb54ceKVwCsI:xt6wPmNrtR+3ae/RmIrv4wzv

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1192	uwef.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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\Currentversion\Run	uwef.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{C39F3489-556D-BCA0-120E-0933DFFB1331} = "C:\\Users\\Admin\\AppData\\Roaming\\Eswapi\\uwef.exe"	uwef.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4668 set thread context of 4532	4668	088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe	84

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe
1192	uwef.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 1192	4668	088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe	83
PID 4668 wrote to memory of 1192	4668	088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe	83
PID 4668 wrote to memory of 1192	4668	088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe	83
PID 1192 wrote to memory of 2528	1192	uwef.exe	5
PID 1192 wrote to memory of 2528	1192	uwef.exe	5
PID 1192 wrote to memory of 2528	1192	uwef.exe	5
PID 1192 wrote to memory of 2528	1192	uwef.exe	5
PID 1192 wrote to memory of 2528	1192	uwef.exe	5
PID 1192 wrote to memory of 2580	1192	uwef.exe	39
PID 1192 wrote to memory of 2580	1192	uwef.exe	39
PID 1192 wrote to memory of 2580	1192	uwef.exe	39
PID 1192 wrote to memory of 2580	1192	uwef.exe	39
PID 1192 wrote to memory of 2580	1192	uwef.exe	39
PID 1192 wrote to memory of 2808	1192	uwef.exe	34
PID 1192 wrote to memory of 2808	1192	uwef.exe	34
PID 1192 wrote to memory of 2808	1192	uwef.exe	34
PID 1192 wrote to memory of 2808	1192	uwef.exe	34
PID 1192 wrote to memory of 2808	1192	uwef.exe	34
PID 1192 wrote to memory of 1068	1192	uwef.exe	33
PID 1192 wrote to memory of 1068	1192	uwef.exe	33
PID 1192 wrote to memory of 1068	1192	uwef.exe	33
PID 1192 wrote to memory of 1068	1192	uwef.exe	33
PID 1192 wrote to memory of 1068	1192	uwef.exe	33
PID 1192 wrote to memory of 3104	1192	uwef.exe	9
PID 1192 wrote to memory of 3104	1192	uwef.exe	9
PID 1192 wrote to memory of 3104	1192	uwef.exe	9
PID 1192 wrote to memory of 3104	1192	uwef.exe	9
PID 1192 wrote to memory of 3104	1192	uwef.exe	9
PID 1192 wrote to memory of 3296	1192	uwef.exe	6
PID 1192 wrote to memory of 3296	1192	uwef.exe	6
PID 1192 wrote to memory of 3296	1192	uwef.exe	6
PID 1192 wrote to memory of 3296	1192	uwef.exe	6
PID 1192 wrote to memory of 3296	1192	uwef.exe	6
PID 1192 wrote to memory of 3392	1192	uwef.exe	8
PID 1192 wrote to memory of 3392	1192	uwef.exe	8
PID 1192 wrote to memory of 3392	1192	uwef.exe	8
PID 1192 wrote to memory of 3392	1192	uwef.exe	8
PID 1192 wrote to memory of 3392	1192	uwef.exe	8
PID 1192 wrote to memory of 3464	1192	uwef.exe	7
PID 1192 wrote to memory of 3464	1192	uwef.exe	7
PID 1192 wrote to memory of 3464	1192	uwef.exe	7
PID 1192 wrote to memory of 3464	1192	uwef.exe	7
PID 1192 wrote to memory of 3464	1192	uwef.exe	7
PID 1192 wrote to memory of 3560	1192	uwef.exe	32
PID 1192 wrote to memory of 3560	1192	uwef.exe	32
PID 1192 wrote to memory of 3560	1192	uwef.exe	32
PID 1192 wrote to memory of 3560	1192	uwef.exe	32
PID 1192 wrote to memory of 3560	1192	uwef.exe	32
PID 1192 wrote to memory of 3864	1192	uwef.exe	31
PID 1192 wrote to memory of 3864	1192	uwef.exe	31
PID 1192 wrote to memory of 3864	1192	uwef.exe	31
PID 1192 wrote to memory of 3864	1192	uwef.exe	31
PID 1192 wrote to memory of 3864	1192	uwef.exe	31
PID 1192 wrote to memory of 4788	1192	uwef.exe	28
PID 1192 wrote to memory of 4788	1192	uwef.exe	28
PID 1192 wrote to memory of 4788	1192	uwef.exe	28
PID 1192 wrote to memory of 4788	1192	uwef.exe	28
PID 1192 wrote to memory of 4788	1192	uwef.exe	28
PID 1192 wrote to memory of 4920	1192	uwef.exe	13
PID 1192 wrote to memory of 4920	1192	uwef.exe	13
PID 1192 wrote to memory of 4920	1192	uwef.exe	13
PID 1192 wrote to memory of 4920	1192	uwef.exe	13
PID 1192 wrote to memory of 4920	1192	uwef.exe	13
PID 1192 wrote to memory of 4988	1192	uwef.exe	12

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3296

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3464

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3392

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3104

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2436

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4988

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4920

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4788

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3864

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1068
- C:\Users\Admin\AppData\Local\Temp\088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe
  "C:\Users\Admin\AppData\Local\Temp\088e431500f13ad5f96af8079b2e6704440bef6810903ce7f760336e65d7cece.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Users\Admin\AppData\Roaming\Eswapi\uwef.exe
    "C:\Users\Admin\AppData\Roaming\Eswapi\uwef.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1192
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpf66f71bf.bat"
    3⤵
    PID:4532

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2580

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
1⤵
PID:5068

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:4120

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:3512

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2228

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:2312

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\tmpf66f71bf.bat

Filesize
307B

MD5
dbe25d3e3c791edfc875a32e10ce4aa0

SHA1
b6a64211d8f77e53ed837616ec0c836c649ca3d7

SHA256
f36ebf320b30979a0dea8469db3018259460bf3dfc752a40ad00269c3f1314c8

SHA512
71cb864ba1d090021a6b196d8b344ef7719f25f74e5105f530673423aa5ea7605fe5ee9604c310652899d541aec0f1dda51912b8ecea6e7d91811879508e249a

Download Submit
C:\Users\Admin\AppData\Roaming\Eswapi\uwef.exe

Filesize
359KB

MD5
923cd2c76bb8b329ebba1b15ed62db67

SHA1
ae013cb3eddf179eb11f3a8f4afb1a78e7d8aaa2

SHA256
70aeaedbccfdc14fd0fde1112d557e091ee0f18a0551130377790ab50c2045f8

SHA512
0a69d68ee2d0f540e905e58352afec2d94a811638489488679fc496890226bc9ee1804e30ab1039d7cbffdfce1ef801ce1300427e62aead913f9b884962c4916

Download Submit
C:\Users\Admin\AppData\Roaming\Eswapi\uwef.exe

Filesize
359KB

MD5
923cd2c76bb8b329ebba1b15ed62db67

SHA1
ae013cb3eddf179eb11f3a8f4afb1a78e7d8aaa2

SHA256
70aeaedbccfdc14fd0fde1112d557e091ee0f18a0551130377790ab50c2045f8

SHA512
0a69d68ee2d0f540e905e58352afec2d94a811638489488679fc496890226bc9ee1804e30ab1039d7cbffdfce1ef801ce1300427e62aead913f9b884962c4916

Download Submit
memory/1192-140-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1192-143-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1192-160-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1192-161-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1192-141-0x00000000006F0000-0x000000000073C000-memory.dmp

Filesize
304KB

Download
memory/4532-152-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4532-157-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4532-155-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4532-156-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4532-159-0x0000000000D00000-0x0000000000D4C000-memory.dmp

Filesize
304KB

Download
memory/4532-154-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4532-153-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4532-149-0x0000000000D00000-0x0000000000D4C000-memory.dmp

Filesize
304KB

Download
memory/4668-139-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4668-151-0x00000000022E0000-0x000000000232C000-memory.dmp

Filesize
304KB

Download
memory/4668-150-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4668-147-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4668-146-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4668-144-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4668-145-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4668-142-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4668-132-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4668-138-0x0000000002220000-0x000000000226C000-memory.dmp

Filesize
304KB

Download
memory/4668-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4668-133-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download