137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04

Analysis

max time kernel
90s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/04/2023, 02:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe
Size

746KB
MD5

559aaca9cadbf198fa92f1a400863bdd
SHA1

a466ed10a8d84af50bd4c963a1aaad6f24e54cb2
SHA256

137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04
SHA512

62ebd6624249f234c4d25dc878e39b2f9bacb7ce3974ff2c782833eb81726da8ad9b1f40dd9f787ed19ac1746ba7ec1d6e185d4e5a2a32b710df64223b972323
SSDEEP

12288:ry90+cy09Nw7ymBqdYtcvt3q2eoNMiXMv9EkBtyXpe3CroQCws:ryrc19NwBBqdYtcvtFeojR8yXQ3CMd

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"	05585029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	05585029.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	05585029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	05585029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	05585029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	05585029.exe

Executes dropped EXE 4 IoCs

pid	Process
4500	un965451.exe
1156	05585029.exe
4284	rk361617.exe
1316	si999237.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	05585029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	05585029.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	un965451.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\\\""	un965451.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.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\\\""	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.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
3240	1156	WerFault.exe	80
1416	4284	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1156	05585029.exe
1156	05585029.exe
4284	rk361617.exe
4284	rk361617.exe
1316	si999237.exe
1316	si999237.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1156	05585029.exe
Token: SeDebugPrivilege	4284	rk361617.exe
Token: SeDebugPrivilege	1316	si999237.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4500	4980	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe	79
PID 4980 wrote to memory of 4500	4980	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe	79
PID 4980 wrote to memory of 4500	4980	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe	79
PID 4500 wrote to memory of 1156	4500	un965451.exe	80
PID 4500 wrote to memory of 1156	4500	un965451.exe	80
PID 4500 wrote to memory of 1156	4500	un965451.exe	80
PID 4500 wrote to memory of 4284	4500	un965451.exe	92
PID 4500 wrote to memory of 4284	4500	un965451.exe	92
PID 4500 wrote to memory of 4284	4500	un965451.exe	92
PID 4980 wrote to memory of 1316	4980	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe	97
PID 4980 wrote to memory of 1316	4980	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe	97
PID 4980 wrote to memory of 1316	4980	137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe	97

C:\Users\Admin\AppData\Local\Temp\137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe
"C:\Users\Admin\AppData\Local\Temp\137b6cb916d81579584a7f28c6ac37ed9a8ca8c20934bf3ed884d8f3260c2f04.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un965451.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un965451.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05585029.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05585029.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1156
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 1088
      4⤵
      Program crash
      PID:3240
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk361617.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk361617.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4284
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 1732
      4⤵
      Program crash
      PID:1416
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si999237.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si999237.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1156 -ip 1156
1⤵
PID:996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4284 -ip 4284
1⤵
PID:1944

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si999237.exe

Filesize
136KB

MD5
b9f17cc95395f13838ba119abc3f742f

SHA1
ecdbc7ef78234c1c7009fdbc6f744c511067767d

SHA256
2e10845ea49bdd31991f80c88db940340e9f65c22eb3d1dc719e452fbcc17a15

SHA512
bf05c4b13405337bf71e69e8b751af742b24d47de2a46be74a5bb86d37e6eee099ef11d871e3514b1ee9c9458c1ac8127b6858eaae04dfced284d1ec87e34bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si999237.exe

Filesize
136KB

MD5
b9f17cc95395f13838ba119abc3f742f

SHA1
ecdbc7ef78234c1c7009fdbc6f744c511067767d

SHA256
2e10845ea49bdd31991f80c88db940340e9f65c22eb3d1dc719e452fbcc17a15

SHA512
bf05c4b13405337bf71e69e8b751af742b24d47de2a46be74a5bb86d37e6eee099ef11d871e3514b1ee9c9458c1ac8127b6858eaae04dfced284d1ec87e34bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un965451.exe

Filesize
591KB

MD5
3f8cbe849015839e43ee20ecf378d12b

SHA1
92e4120f1ff71058a643118eebd83b1e570a87f0

SHA256
bc4934c5fec6a7b5f66b72a2b4663151f2b5e54bb1979532f0c3528bb0d4e65f

SHA512
3b56f4c75a30299368d816259fcd82e58d486133d7d21d769ed879b03277b91407ef394bc41a0f224b57b09f16a0ada2aed933de7c19adb629432f243ca311c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un965451.exe

Filesize
591KB

MD5
3f8cbe849015839e43ee20ecf378d12b

SHA1
92e4120f1ff71058a643118eebd83b1e570a87f0

SHA256
bc4934c5fec6a7b5f66b72a2b4663151f2b5e54bb1979532f0c3528bb0d4e65f

SHA512
3b56f4c75a30299368d816259fcd82e58d486133d7d21d769ed879b03277b91407ef394bc41a0f224b57b09f16a0ada2aed933de7c19adb629432f243ca311c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05585029.exe

Filesize
376KB

MD5
56a4e48e698928ef87398ac1f675f196

SHA1
8dbc78ed63506e940c041eec441e43fc40bf9b13

SHA256
6bacc942516a9d2ad15f369cf0be976507aeb97366a7f0967a1d8633121a49cc

SHA512
0c0c9085431b5265668300d732dce5f13fcc033eccc79801d6aee2825c923eb164e44d998f30d31f1993a9e762695a0844a15532d2fd368853588b68b3ea0e6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05585029.exe

Filesize
376KB

MD5
56a4e48e698928ef87398ac1f675f196

SHA1
8dbc78ed63506e940c041eec441e43fc40bf9b13

SHA256
6bacc942516a9d2ad15f369cf0be976507aeb97366a7f0967a1d8633121a49cc

SHA512
0c0c9085431b5265668300d732dce5f13fcc033eccc79801d6aee2825c923eb164e44d998f30d31f1993a9e762695a0844a15532d2fd368853588b68b3ea0e6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk361617.exe

Filesize
459KB

MD5
18a9a2ae465e201d9edce60682ee42d1

SHA1
1e5baf3886112b616eb8fb9e1cfd8dc0ea3b08b4

SHA256
527fe07a88e0bb6f12528874825f7d7d560d1e03ae78f76a4c08adf8b8fd8c26

SHA512
4b0e8b916b267ae80ea683c887f0fa1b763ae38bedcb15e4df523419d8e8145860d189a5884aa0cfd1ea21dd11213b30fa6e72505185731ea39e4e3ce8f88be4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk361617.exe

Filesize
459KB

MD5
18a9a2ae465e201d9edce60682ee42d1

SHA1
1e5baf3886112b616eb8fb9e1cfd8dc0ea3b08b4

SHA256
527fe07a88e0bb6f12528874825f7d7d560d1e03ae78f76a4c08adf8b8fd8c26

SHA512
4b0e8b916b267ae80ea683c887f0fa1b763ae38bedcb15e4df523419d8e8145860d189a5884aa0cfd1ea21dd11213b30fa6e72505185731ea39e4e3ce8f88be4

Download Submit
memory/1156-148-0x0000000004E70000-0x0000000005414000-memory.dmp

Filesize
5.6MB

Download
memory/1156-149-0x0000000000940000-0x000000000096D000-memory.dmp

Filesize
180KB

Download
memory/1156-150-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1156-151-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1156-152-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1156-153-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-154-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-156-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-158-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-160-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-162-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-164-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-166-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-168-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-170-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-172-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-174-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-176-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-178-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-180-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/1156-181-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/1156-182-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1156-183-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1156-184-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1156-186-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/1316-1009-0x00000000007F0000-0x0000000000818000-memory.dmp

Filesize
160KB

Download
memory/1316-1010-0x0000000007580000-0x0000000007590000-memory.dmp

Filesize
64KB

Download
memory/4284-194-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-418-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-196-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-198-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-200-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-202-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-204-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-206-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-208-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-210-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-212-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-214-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-216-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-218-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-220-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-222-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-224-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-414-0x00000000008F0000-0x0000000000936000-memory.dmp

Filesize
280KB

Download
memory/4284-416-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-191-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-420-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-987-0x0000000007940000-0x0000000007F58000-memory.dmp

Filesize
6.1MB

Download
memory/4284-988-0x0000000007F70000-0x0000000007F82000-memory.dmp

Filesize
72KB

Download
memory/4284-989-0x0000000007F90000-0x000000000809A000-memory.dmp

Filesize
1.0MB

Download
memory/4284-990-0x00000000080B0000-0x00000000080EC000-memory.dmp

Filesize
240KB

Download
memory/4284-991-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-992-0x0000000008500000-0x0000000008566000-memory.dmp

Filesize
408KB

Download
memory/4284-993-0x0000000008BB0000-0x0000000008C42000-memory.dmp

Filesize
584KB

Download
memory/4284-995-0x0000000008C70000-0x0000000008CE6000-memory.dmp

Filesize
472KB

Download
memory/4284-996-0x0000000008D20000-0x0000000008D3E000-memory.dmp

Filesize
120KB

Download
memory/4284-997-0x0000000008DE0000-0x0000000008E30000-memory.dmp

Filesize
320KB

Download
memory/4284-998-0x0000000008F50000-0x0000000009112000-memory.dmp

Filesize
1.8MB

Download
memory/4284-1000-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-1001-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-192-0x0000000002770000-0x00000000027A5000-memory.dmp

Filesize
212KB

Download
memory/4284-999-0x0000000009120000-0x000000000964C000-memory.dmp

Filesize
5.2MB

Download
memory/4284-1002-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4284-1003-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download