b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332

Analysis

max time kernel
145s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05/05/2023, 19:04

Sharing

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General

Target

b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe
Size

611KB
MD5

fa12ef8c21caa46e53679d6bb4a1d48b
SHA1

45f97039a0de9b281efbb8317b9df238eaf58bd8
SHA256

b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332
SHA512

84563bef7245f4f63d25b117ebc2137e62fd4243217ea26211e6ed969444b59823a67958f4c98db71d078942ee623410e821b8556a5d5e2cc0436d44ccf353de
SSDEEP

12288:uy90dBjH3B4HFurWKsbMOcwUvXfSMNh3usxKkRW:uyeBjXKdfMyUvXfkkRW

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	57144405.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	57144405.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	57144405.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	57144405.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	57144405.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	57144405.exe

Executes dropped EXE 3 IoCs

pid	Process
1500	st962525.exe
848	57144405.exe
1868	kp945579.exe

Loads dropped DLL 6 IoCs

pid	Process
1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe
1500	st962525.exe
1500	st962525.exe
1500	st962525.exe
1500	st962525.exe
1868	kp945579.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features	57144405.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	57144405.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	st962525.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	st962525.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
848	57144405.exe
848	57144405.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	848	57144405.exe
Token: SeDebugPrivilege	1868	kp945579.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1612 wrote to memory of 1500	1612	b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe	27
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 848	1500	st962525.exe	28
PID 1500 wrote to memory of 1868	1500	st962525.exe	29
PID 1500 wrote to memory of 1868	1500	st962525.exe	29
PID 1500 wrote to memory of 1868	1500	st962525.exe	29
PID 1500 wrote to memory of 1868	1500	st962525.exe	29
PID 1500 wrote to memory of 1868	1500	st962525.exe	29
PID 1500 wrote to memory of 1868	1500	st962525.exe	29
PID 1500 wrote to memory of 1868	1500	st962525.exe	29

C:\Users\Admin\AppData\Local\Temp\b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe
"C:\Users\Admin\AppData\Local\Temp\b15a1b4bcaabe51127c5e900637ac9ec03d29cc1437983a6e055d3fe9dee3332.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st962525.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st962525.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\57144405.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\57144405.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:848
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:1868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

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\IXP000.TMP\st962525.exe

Filesize
456KB

MD5
ff03b559ada9336cb2c2e29dd4011b45

SHA1
e9e13d419e13f13e7d4facc2c761d9c3a4ef0c99

SHA256
e838a25ca9d3f666745b15125ecf1c01d68d140f8ba58232a255d83f58fa8717

SHA512
bc1c92b723c84b2ccd4a79a49561af9e3f7fd3fd8e4979f5e345b2bbf72bf068b135f7fdbaee04bf98de1a5fe3d7fcf6ea2a15187dbc8592e512b6074b8d4a9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st962525.exe

Filesize
456KB

MD5
ff03b559ada9336cb2c2e29dd4011b45

SHA1
e9e13d419e13f13e7d4facc2c761d9c3a4ef0c99

SHA256
e838a25ca9d3f666745b15125ecf1c01d68d140f8ba58232a255d83f58fa8717

SHA512
bc1c92b723c84b2ccd4a79a49561af9e3f7fd3fd8e4979f5e345b2bbf72bf068b135f7fdbaee04bf98de1a5fe3d7fcf6ea2a15187dbc8592e512b6074b8d4a9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\57144405.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\57144405.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe

Filesize
459KB

MD5
346b7d637ed92c8e5c301ee27d82e3ea

SHA1
25686504186a108687edbbccec302c9dc7504efc

SHA256
a0c496450374dc57dce1019aef8b94a61a25240015ebb8b6deb0b67c48fc7a0d

SHA512
1cfb573fd562310aaa95629aa55b7862fd821ed77e630781ddc6257387345ddd52d994b9094399dcf9af1b07d7d97beee725808db9fedc143854c47fe2b34eda

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe

Filesize
459KB

MD5
346b7d637ed92c8e5c301ee27d82e3ea

SHA1
25686504186a108687edbbccec302c9dc7504efc

SHA256
a0c496450374dc57dce1019aef8b94a61a25240015ebb8b6deb0b67c48fc7a0d

SHA512
1cfb573fd562310aaa95629aa55b7862fd821ed77e630781ddc6257387345ddd52d994b9094399dcf9af1b07d7d97beee725808db9fedc143854c47fe2b34eda

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe

Filesize
459KB

MD5
346b7d637ed92c8e5c301ee27d82e3ea

SHA1
25686504186a108687edbbccec302c9dc7504efc

SHA256
a0c496450374dc57dce1019aef8b94a61a25240015ebb8b6deb0b67c48fc7a0d

SHA512
1cfb573fd562310aaa95629aa55b7862fd821ed77e630781ddc6257387345ddd52d994b9094399dcf9af1b07d7d97beee725808db9fedc143854c47fe2b34eda

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\st962525.exe

Filesize
456KB

MD5
ff03b559ada9336cb2c2e29dd4011b45

SHA1
e9e13d419e13f13e7d4facc2c761d9c3a4ef0c99

SHA256
e838a25ca9d3f666745b15125ecf1c01d68d140f8ba58232a255d83f58fa8717

SHA512
bc1c92b723c84b2ccd4a79a49561af9e3f7fd3fd8e4979f5e345b2bbf72bf068b135f7fdbaee04bf98de1a5fe3d7fcf6ea2a15187dbc8592e512b6074b8d4a9e

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\st962525.exe

Filesize
456KB

MD5
ff03b559ada9336cb2c2e29dd4011b45

SHA1
e9e13d419e13f13e7d4facc2c761d9c3a4ef0c99

SHA256
e838a25ca9d3f666745b15125ecf1c01d68d140f8ba58232a255d83f58fa8717

SHA512
bc1c92b723c84b2ccd4a79a49561af9e3f7fd3fd8e4979f5e345b2bbf72bf068b135f7fdbaee04bf98de1a5fe3d7fcf6ea2a15187dbc8592e512b6074b8d4a9e

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\57144405.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe

Filesize
459KB

MD5
346b7d637ed92c8e5c301ee27d82e3ea

SHA1
25686504186a108687edbbccec302c9dc7504efc

SHA256
a0c496450374dc57dce1019aef8b94a61a25240015ebb8b6deb0b67c48fc7a0d

SHA512
1cfb573fd562310aaa95629aa55b7862fd821ed77e630781ddc6257387345ddd52d994b9094399dcf9af1b07d7d97beee725808db9fedc143854c47fe2b34eda

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe

Filesize
459KB

MD5
346b7d637ed92c8e5c301ee27d82e3ea

SHA1
25686504186a108687edbbccec302c9dc7504efc

SHA256
a0c496450374dc57dce1019aef8b94a61a25240015ebb8b6deb0b67c48fc7a0d

SHA512
1cfb573fd562310aaa95629aa55b7862fd821ed77e630781ddc6257387345ddd52d994b9094399dcf9af1b07d7d97beee725808db9fedc143854c47fe2b34eda

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp945579.exe

Filesize
459KB

MD5
346b7d637ed92c8e5c301ee27d82e3ea

SHA1
25686504186a108687edbbccec302c9dc7504efc

SHA256
a0c496450374dc57dce1019aef8b94a61a25240015ebb8b6deb0b67c48fc7a0d

SHA512
1cfb573fd562310aaa95629aa55b7862fd821ed77e630781ddc6257387345ddd52d994b9094399dcf9af1b07d7d97beee725808db9fedc143854c47fe2b34eda

Download Submit
memory/848-72-0x0000000000DE0000-0x0000000000DEA000-memory.dmp

Filesize
40KB

Download
memory/1868-104-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-118-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-85-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-86-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-88-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-90-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-92-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-94-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-96-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-98-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-100-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-102-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-83-0x00000000022B0000-0x00000000022EC000-memory.dmp

Filesize
240KB

Download
memory/1868-106-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-110-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-108-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-112-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-114-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-116-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-84-0x00000000022F0000-0x000000000232A000-memory.dmp

Filesize
232KB

Download
memory/1868-120-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-122-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-124-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-126-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-128-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-130-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-132-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-135-0x0000000005170000-0x00000000051B0000-memory.dmp

Filesize
256KB

Download
memory/1868-136-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-133-0x00000000002A0000-0x00000000002E6000-memory.dmp

Filesize
280KB

Download
memory/1868-138-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-140-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-142-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-144-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-146-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-148-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-150-0x00000000022F0000-0x0000000002325000-memory.dmp

Filesize
212KB

Download
memory/1868-879-0x0000000005170000-0x00000000051B0000-memory.dmp

Filesize
256KB

Download
memory/1868-882-0x0000000005170000-0x00000000051B0000-memory.dmp

Filesize
256KB

Download