b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4

Analysis

max time kernel
92s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-04-2023 02:05

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General

Target

b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe
Size

706KB
MD5

5a60744c237fc9433fd28336c12b5dbd
SHA1

6dc5a6ac2186a32b75a2807b66d5e533c7716c8a
SHA256

b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4
SHA512

98895de87bd955fc5f92fd43847aa17d3c68086b69deb712cfca79f6c93555016a657b52255d84e8fabcbbd3d86afe0dbc2dfe8c59dacc4e6d48c6cd7e23b816
SSDEEP

12288:Vy90uIiwYTqiiiN3TVD4xHEZ3t3TLTgrCiUSOr7OlPsQYxESa:VyRXwYTqiiExMxkxtgUS0NQYxI

Score

10^/10

discovery evasion persistence spyware stealer 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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	pr499326.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	pr499326.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	pr499326.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	pr499326.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	pr499326.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	pr499326.exe

Executes dropped EXE 4 IoCs

pid	Process
824	un477962.exe
872	pr499326.exe
3932	qu776605.exe
3144	si876335.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	pr499326.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	pr499326.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.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\\\""	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un477962.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\\\""	un477962.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2020	872	WerFault.exe	83
4228	3932	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
872	pr499326.exe
872	pr499326.exe
3932	qu776605.exe
3932	qu776605.exe
3144	si876335.exe
3144	si876335.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	872	pr499326.exe
Token: SeDebugPrivilege	3932	qu776605.exe
Token: SeDebugPrivilege	3144	si876335.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 824	4132	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe	82
PID 4132 wrote to memory of 824	4132	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe	82
PID 4132 wrote to memory of 824	4132	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe	82
PID 824 wrote to memory of 872	824	un477962.exe	83
PID 824 wrote to memory of 872	824	un477962.exe	83
PID 824 wrote to memory of 872	824	un477962.exe	83
PID 824 wrote to memory of 3932	824	un477962.exe	89
PID 824 wrote to memory of 3932	824	un477962.exe	89
PID 824 wrote to memory of 3932	824	un477962.exe	89
PID 4132 wrote to memory of 3144	4132	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe	92
PID 4132 wrote to memory of 3144	4132	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe	92
PID 4132 wrote to memory of 3144	4132	b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe	92

C:\Users\Admin\AppData\Local\Temp\b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe
"C:\Users\Admin\AppData\Local\Temp\b71e8857a69dcac8581f9755635ba72aca0ebc8de77d3a2e62762d339f4e29a4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un477962.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un477962.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr499326.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr499326.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 872 -s 1080
      4⤵
      Program crash
      PID:2020
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu776605.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu776605.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1688
      4⤵
      Program crash
      PID:4228
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si876335.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si876335.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 872 -ip 872
1⤵
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3932 -ip 3932
1⤵
PID:1220

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si876335.exe

Filesize
136KB

MD5
9c75a048f066d01b19ed80dc6e7a7101

SHA1
7d37c8ef50e8b83fcdd44032fb082f226ab3d8c3

SHA256
c816d0c862e5001569f4454d0a12c7ee85a7d5afbf3abd896546bba1816d1625

SHA512
b70e03a3fcfd29276b36d42ae1b2fedda5de020f0279d798f9fbd1d7f4ac1f10e60cf623e173a55dc42f87d99a83fe9a8db8f6b02a349257d8a2665f84f99e33

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si876335.exe

Filesize
136KB

MD5
9c75a048f066d01b19ed80dc6e7a7101

SHA1
7d37c8ef50e8b83fcdd44032fb082f226ab3d8c3

SHA256
c816d0c862e5001569f4454d0a12c7ee85a7d5afbf3abd896546bba1816d1625

SHA512
b70e03a3fcfd29276b36d42ae1b2fedda5de020f0279d798f9fbd1d7f4ac1f10e60cf623e173a55dc42f87d99a83fe9a8db8f6b02a349257d8a2665f84f99e33

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un477962.exe

Filesize
552KB

MD5
0712ea25d289f909851ae9159f09d55b

SHA1
156b0f55858ff1f7a07363f77c6c22096cca0d89

SHA256
286dd011def3b88317ebd9148730a48ed9b490fa905f8877a237a9b6d480745f

SHA512
05bfa5b54dc32ee32b64d5bdcf3a963202d276cfec27480816196ba6b760eede5a8054c906fbc5dc27782f3791a350f72df6165c05fba568aa1f9fff1ee21c99

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un477962.exe

Filesize
552KB

MD5
0712ea25d289f909851ae9159f09d55b

SHA1
156b0f55858ff1f7a07363f77c6c22096cca0d89

SHA256
286dd011def3b88317ebd9148730a48ed9b490fa905f8877a237a9b6d480745f

SHA512
05bfa5b54dc32ee32b64d5bdcf3a963202d276cfec27480816196ba6b760eede5a8054c906fbc5dc27782f3791a350f72df6165c05fba568aa1f9fff1ee21c99

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr499326.exe

Filesize
299KB

MD5
10e9dcc44620a668203c1c712671ee94

SHA1
35ff0438205b2238796f64e38055a5587145e161

SHA256
e716876d6fb5e649b9e183b3d20fe042a235b7a3141c9dbe90b6c6b9ad13c46f

SHA512
06aedaa8fe9a716c4b3b69bea77f9278d259dda0701c94aa08840a07957467e3a835d912571fa92d147241f2a905284980cf5e136f254f57d44f0cb0b806b473

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr499326.exe

Filesize
299KB

MD5
10e9dcc44620a668203c1c712671ee94

SHA1
35ff0438205b2238796f64e38055a5587145e161

SHA256
e716876d6fb5e649b9e183b3d20fe042a235b7a3141c9dbe90b6c6b9ad13c46f

SHA512
06aedaa8fe9a716c4b3b69bea77f9278d259dda0701c94aa08840a07957467e3a835d912571fa92d147241f2a905284980cf5e136f254f57d44f0cb0b806b473

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu776605.exe

Filesize
381KB

MD5
3a8b2cd1e49a2a9db2a73fa2add45ebe

SHA1
a11f79d8409a983def81651eed9cbcce475d9fc2

SHA256
7b471e2158ed54c4ab79917b8068ea536fceebf6976cec5a44ae7f8a961dbb57

SHA512
89305f42b67080184978e6a44fc74d7688f2371f13318a56b61f588c1c8a7d39fd21746401e2632ba59ebe7867f5bb0b07d8f3016b46d307f7a4d66897715a0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu776605.exe

Filesize
381KB

MD5
3a8b2cd1e49a2a9db2a73fa2add45ebe

SHA1
a11f79d8409a983def81651eed9cbcce475d9fc2

SHA256
7b471e2158ed54c4ab79917b8068ea536fceebf6976cec5a44ae7f8a961dbb57

SHA512
89305f42b67080184978e6a44fc74d7688f2371f13318a56b61f588c1c8a7d39fd21746401e2632ba59ebe7867f5bb0b07d8f3016b46d307f7a4d66897715a0f

Download Submit
memory/872-161-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-171-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-150-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-151-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-153-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-155-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-157-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-159-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-148-0x0000000002BC0000-0x0000000002BED000-memory.dmp

Filesize
180KB

Download
memory/872-163-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-165-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-167-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-169-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-149-0x0000000007460000-0x0000000007A04000-memory.dmp

Filesize
5.6MB

Download
memory/872-173-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-175-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-177-0x0000000007270000-0x0000000007282000-memory.dmp

Filesize
72KB

Download
memory/872-178-0x0000000007450000-0x0000000007460000-memory.dmp

Filesize
64KB

Download
memory/872-179-0x0000000007450000-0x0000000007460000-memory.dmp

Filesize
64KB

Download
memory/872-180-0x0000000007450000-0x0000000007460000-memory.dmp

Filesize
64KB

Download
memory/872-181-0x0000000000400000-0x0000000002BB4000-memory.dmp

Filesize
39.7MB

Download
memory/872-183-0x0000000007450000-0x0000000007460000-memory.dmp

Filesize
64KB

Download
memory/872-184-0x0000000007450000-0x0000000007460000-memory.dmp

Filesize
64KB

Download
memory/872-185-0x0000000007450000-0x0000000007460000-memory.dmp

Filesize
64KB

Download
memory/872-186-0x0000000000400000-0x0000000002BB4000-memory.dmp

Filesize
39.7MB

Download
memory/3144-1005-0x0000000000F20000-0x0000000000F48000-memory.dmp

Filesize
160KB

Download
memory/3144-1006-0x0000000007C70000-0x0000000007C80000-memory.dmp

Filesize
64KB

Download
memory/3932-191-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-194-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-196-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-198-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-200-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-202-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-204-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-206-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-208-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-210-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-212-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-214-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-216-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-218-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-221-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-220-0x0000000002CA0000-0x0000000002CE6000-memory.dmp

Filesize
280KB

Download
memory/3932-223-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/3932-225-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/3932-226-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/3932-224-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-228-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-987-0x0000000009C60000-0x000000000A278000-memory.dmp

Filesize
6.1MB

Download
memory/3932-988-0x000000000A320000-0x000000000A332000-memory.dmp

Filesize
72KB

Download
memory/3932-989-0x000000000A340000-0x000000000A44A000-memory.dmp

Filesize
1.0MB

Download
memory/3932-990-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/3932-991-0x000000000A470000-0x000000000A4AC000-memory.dmp

Filesize
240KB

Download
memory/3932-992-0x000000000A760000-0x000000000A7C6000-memory.dmp

Filesize
408KB

Download
memory/3932-993-0x000000000AE30000-0x000000000AEC2000-memory.dmp

Filesize
584KB

Download
memory/3932-994-0x000000000AED0000-0x000000000AF46000-memory.dmp

Filesize
472KB

Download
memory/3932-995-0x000000000AF90000-0x000000000AFAE000-memory.dmp

Filesize
120KB

Download
memory/3932-192-0x0000000004C40000-0x0000000004C75000-memory.dmp

Filesize
212KB

Download
memory/3932-996-0x000000000B1B0000-0x000000000B372000-memory.dmp

Filesize
1.8MB

Download
memory/3932-997-0x000000000B380000-0x000000000B8AC000-memory.dmp

Filesize
5.2MB

Download
memory/3932-998-0x00000000048A0000-0x00000000048F0000-memory.dmp

Filesize
320KB

Download