bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986

Analysis

max time kernel
67s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2023, 04:34

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General

Target

bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe
Size

563KB
MD5

7ad8d7866fbdf71da2b48506159e208d
SHA1

5a383c207fc763ed9902bde62d21311e415a8c55
SHA256

bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986
SHA512

9c99c2342eb1d8daf0ed10996987fa644865e4f7ef0cb493d41374c2a71f29bb3aec8f9152ec65419cf41ebb983ec7f6a07edcc47a81e4074babd85cb4db3657
SSDEEP

12288:9y90vhS5Ga267DvWqneW2BPjAgionrIk7UpJCRtc9GZ1w7EA:9yCaDWvZBP8g9n0bCRqQ8

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	40374727.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	40374727.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	40374727.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	40374727.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	40374727.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	40374727.exe

Executes dropped EXE 4 IoCs

pid	Process
2740	st547221.exe
5064	40374727.exe
2692	kp591215.exe
4092	lr386017.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 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	40374727.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	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.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\\\""	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	st547221.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\\\""	st547221.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 1 IoCs

pid	pid_target	Process	procid_target
3824	2692	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5064	40374727.exe
5064	40374727.exe
2692	kp591215.exe
2692	kp591215.exe
4092	lr386017.exe
4092	lr386017.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	40374727.exe
Token: SeDebugPrivilege	2692	kp591215.exe
Token: SeDebugPrivilege	4092	lr386017.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 2740	4636	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe	84
PID 4636 wrote to memory of 2740	4636	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe	84
PID 4636 wrote to memory of 2740	4636	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe	84
PID 2740 wrote to memory of 5064	2740	st547221.exe	85
PID 2740 wrote to memory of 5064	2740	st547221.exe	85
PID 2740 wrote to memory of 2692	2740	st547221.exe	90
PID 2740 wrote to memory of 2692	2740	st547221.exe	90
PID 2740 wrote to memory of 2692	2740	st547221.exe	90
PID 4636 wrote to memory of 4092	4636	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe	96
PID 4636 wrote to memory of 4092	4636	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe	96
PID 4636 wrote to memory of 4092	4636	bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe	96

C:\Users\Admin\AppData\Local\Temp\bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe
"C:\Users\Admin\AppData\Local\Temp\bcb2620eb3c739999cbbcb9402ad91b82072359402c48e71f21bde6cb9171986.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st547221.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st547221.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40374727.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40374727.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5064
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp591215.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp591215.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1324
      4⤵
      Program crash
      PID:3824
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr386017.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr386017.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2692 -ip 2692
1⤵
PID:3020

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\lr386017.exe

Filesize
136KB

MD5
ace73b2b1f835de11594ea9a243a9f5c

SHA1
2f929d1f69784fbe499a95b064679a16947bdd84

SHA256
7310c28dc6a24530885da07d08c851b4a6c5aa987d2a44ce53cb73e72235fa49

SHA512
024e1ce3ab37e27c8647d02f79c434e103a84265c97b4773aed1a0b1fd3e8228eab560fc9b6f53b0132575ea855d1da0cd0b6b6e5cd2965f841cf8551c7d138e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr386017.exe

Filesize
136KB

MD5
ace73b2b1f835de11594ea9a243a9f5c

SHA1
2f929d1f69784fbe499a95b064679a16947bdd84

SHA256
7310c28dc6a24530885da07d08c851b4a6c5aa987d2a44ce53cb73e72235fa49

SHA512
024e1ce3ab37e27c8647d02f79c434e103a84265c97b4773aed1a0b1fd3e8228eab560fc9b6f53b0132575ea855d1da0cd0b6b6e5cd2965f841cf8551c7d138e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st547221.exe

Filesize
408KB

MD5
ef594cf07274dc560bc66371c119c24d

SHA1
e25228738a9b6998bc70c2567bc32e6e3c4d07e9

SHA256
97e820651193bc542de57673f6806e2bb9ab741516242f1946690312ab4af576

SHA512
cc3e08bfc32b43f132ec39dab8c59d627930bdcd695c445f645fef1e5dcdfcabfcec40093ca3ad227ea48e5ef8589f9f447b2ee257c5fed522581825aeda8d62

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st547221.exe

Filesize
408KB

MD5
ef594cf07274dc560bc66371c119c24d

SHA1
e25228738a9b6998bc70c2567bc32e6e3c4d07e9

SHA256
97e820651193bc542de57673f6806e2bb9ab741516242f1946690312ab4af576

SHA512
cc3e08bfc32b43f132ec39dab8c59d627930bdcd695c445f645fef1e5dcdfcabfcec40093ca3ad227ea48e5ef8589f9f447b2ee257c5fed522581825aeda8d62

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40374727.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40374727.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp591215.exe

Filesize
360KB

MD5
c3996afbb0ee1481cfec07e27fb4b0ad

SHA1
598af5a471a00b9f1b11657712ca100c2f46b5b3

SHA256
faf62a7e3289d3f0e23161a0c372829c991b537e16e550b248dfb53d5e009384

SHA512
250ba31f5354c22c16fd457a5bb11d9d2e527ebfb2cb93a79d47ac46a5380365860e8e24b2632ecd63054a3ac74073e83a7386cd972c34bde4ea75e41001610e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp591215.exe

Filesize
360KB

MD5
c3996afbb0ee1481cfec07e27fb4b0ad

SHA1
598af5a471a00b9f1b11657712ca100c2f46b5b3

SHA256
faf62a7e3289d3f0e23161a0c372829c991b537e16e550b248dfb53d5e009384

SHA512
250ba31f5354c22c16fd457a5bb11d9d2e527ebfb2cb93a79d47ac46a5380365860e8e24b2632ecd63054a3ac74073e83a7386cd972c34bde4ea75e41001610e

Download Submit
memory/2692-153-0x0000000002BD0000-0x0000000002C16000-memory.dmp

Filesize
280KB

Download
memory/2692-154-0x00000000071D0000-0x0000000007774000-memory.dmp

Filesize
5.6MB

Download
memory/2692-155-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-158-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-156-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-160-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-162-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-164-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-166-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-168-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-170-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-172-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-177-0x0000000004C20000-0x0000000004C30000-memory.dmp

Filesize
64KB

Download
memory/2692-175-0x0000000004C20000-0x0000000004C30000-memory.dmp

Filesize
64KB

Download
memory/2692-174-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-178-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-180-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-182-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-184-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-186-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-188-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-190-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-192-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-194-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-196-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-198-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-200-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-202-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-204-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-206-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-208-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-210-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-212-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-214-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-216-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-218-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-220-0x0000000007780000-0x00000000077B5000-memory.dmp

Filesize
212KB

Download
memory/2692-949-0x0000000009C80000-0x000000000A298000-memory.dmp

Filesize
6.1MB

Download
memory/2692-950-0x000000000A320000-0x000000000A332000-memory.dmp

Filesize
72KB

Download
memory/2692-951-0x000000000A340000-0x000000000A44A000-memory.dmp

Filesize
1.0MB

Download
memory/2692-952-0x000000000A460000-0x000000000A49C000-memory.dmp

Filesize
240KB

Download
memory/2692-953-0x0000000004C20000-0x0000000004C30000-memory.dmp

Filesize
64KB

Download
memory/2692-954-0x000000000A760000-0x000000000A7C6000-memory.dmp

Filesize
408KB

Download
memory/2692-955-0x000000000AE20000-0x000000000AEB2000-memory.dmp

Filesize
584KB

Download
memory/2692-956-0x000000000AFF0000-0x000000000B066000-memory.dmp

Filesize
472KB

Download
memory/2692-957-0x000000000B0D0000-0x000000000B292000-memory.dmp

Filesize
1.8MB

Download
memory/2692-958-0x000000000B2A0000-0x000000000B7CC000-memory.dmp

Filesize
5.2MB

Download
memory/2692-959-0x000000000B850000-0x000000000B86E000-memory.dmp

Filesize
120KB

Download
memory/2692-960-0x0000000004990000-0x00000000049E0000-memory.dmp

Filesize
320KB

Download
memory/4092-967-0x0000000000700000-0x0000000000728000-memory.dmp

Filesize
160KB

Download
memory/4092-968-0x00000000077C0000-0x00000000077D0000-memory.dmp

Filesize
64KB

Download
memory/5064-147-0x0000000000700000-0x000000000070A000-memory.dmp

Filesize
40KB

Download