98d159a0a3e40297246cfb57e40803b178a1c120c88b870000100f6e8eaff1f7

Analysis

max time kernel
186s
max time network
199s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 22:10

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General

Target

42085be4ac8f0e3cdbf393efb5f76f3e.exe
Size

3.9MB
MD5

42085be4ac8f0e3cdbf393efb5f76f3e
SHA1

f10fa0260bb5cb358ccb7a4567769fa2d53f4f46
SHA256

98d159a0a3e40297246cfb57e40803b178a1c120c88b870000100f6e8eaff1f7
SHA512

a365b93ff1d13c0377e1e8c7f66084b32e2f1b8e291597b42129b87c35a70082f8b49e1ff66ba5c5ff81226c2f7faa79dcd91126e2d876f671ab04ab45a95edf
SSDEEP

98304:0z1aVpcakcibiqhMbMgOn7n0bcakcibiqhiBMUFMcakcibiqhMbMgOn7n0bcakcO:0zCpdlirybMgOnkdlirPUedlirybMgOD

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe

Executes dropped EXE 1 IoCs

pid	Process
3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4612-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x000200000001e7e0-12.dat	upx
behavioral2/memory/3216-14-0x0000000000400000-0x000000000065C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Program crash 14 IoCs

pid	pid_target	Process	procid_target
5032	3216	WerFault.exe	92
4980	3216	WerFault.exe	92
4436	3216	WerFault.exe	92
4632	3216	WerFault.exe	92
1100	3216	WerFault.exe	92
3092	3216	WerFault.exe	92
2464	3216	WerFault.exe	92
4656	3216	WerFault.exe	92
4884	3216	WerFault.exe	92
2268	3216	WerFault.exe	92
1408	3216	WerFault.exe	92
320	3216	WerFault.exe	92
2476	3216	WerFault.exe	92
1492	3216	WerFault.exe	92

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3376	schtasks.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	42085be4ac8f0e3cdbf393efb5f76f3e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	42085be4ac8f0e3cdbf393efb5f76f3e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 5c0000000100000004000000001000001900000001000000100000002fe1f70bb05d7c92335bc5e05b984da60f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f63030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e814000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e20000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827	42085be4ac8f0e3cdbf393efb5f76f3e.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4612	42085be4ac8f0e3cdbf393efb5f76f3e.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4612	42085be4ac8f0e3cdbf393efb5f76f3e.exe
3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 3216	4612	42085be4ac8f0e3cdbf393efb5f76f3e.exe	92
PID 4612 wrote to memory of 3216	4612	42085be4ac8f0e3cdbf393efb5f76f3e.exe	92
PID 4612 wrote to memory of 3216	4612	42085be4ac8f0e3cdbf393efb5f76f3e.exe	92
PID 3216 wrote to memory of 3376	3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe	94
PID 3216 wrote to memory of 3376	3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe	94
PID 3216 wrote to memory of 3376	3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe	94
PID 3216 wrote to memory of 2212	3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe	99
PID 3216 wrote to memory of 2212	3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe	99
PID 3216 wrote to memory of 2212	3216	42085be4ac8f0e3cdbf393efb5f76f3e.exe	99
PID 2212 wrote to memory of 4628	2212	cmd.exe	101
PID 2212 wrote to memory of 4628	2212	cmd.exe	101
PID 2212 wrote to memory of 4628	2212	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\42085be4ac8f0e3cdbf393efb5f76f3e.exe
"C:\Users\Admin\AppData\Local\Temp\42085be4ac8f0e3cdbf393efb5f76f3e.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Local\Temp\42085be4ac8f0e3cdbf393efb5f76f3e.exe
  C:\Users\Admin\AppData\Local\Temp\42085be4ac8f0e3cdbf393efb5f76f3e.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3216
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\42085be4ac8f0e3cdbf393efb5f76f3e.exe" /TN aMYATtOZda0c /F
    3⤵
    - Creates scheduled task(s)
    PID:3376
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN aMYATtOZda0c > C:\Users\Admin\AppData\Local\Temp\VmLf3U.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2212
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN aMYATtOZda0c
      4⤵
      PID:4628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 632
    3⤵
    - Program crash
    PID:5032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 604
    3⤵
    - Program crash
    PID:4980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 604
    3⤵
    - Program crash
    PID:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 660
    3⤵
    - Program crash
    PID:4632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 824
    3⤵
    - Program crash
    PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1516
    3⤵
    - Program crash
    PID:3092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1668
    3⤵
    - Program crash
    PID:2464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1668
    3⤵
    - Program crash
    PID:4656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1992
    3⤵
    - Program crash
    PID:4884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1956
    3⤵
    - Program crash
    PID:2268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1996
    3⤵
    - Program crash
    PID:1408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 2252
    3⤵
    - Program crash
    PID:320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 2240
    3⤵
    - Program crash
    PID:2476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1668
    3⤵
    - Program crash
    PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3216 -ip 3216
1⤵
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3216 -ip 3216
1⤵
PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3216 -ip 3216
1⤵
PID:388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3216 -ip 3216
1⤵
PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3216 -ip 3216
1⤵
PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3216 -ip 3216
1⤵
PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3216 -ip 3216
1⤵
PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3216 -ip 3216
1⤵
PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3216 -ip 3216
1⤵
PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3216 -ip 3216
1⤵
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3216 -ip 3216
1⤵
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3216 -ip 3216
1⤵
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3216 -ip 3216
1⤵
PID:2664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3216 -ip 3216
1⤵
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 3216 -ip 3216
1⤵
PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\42085be4ac8f0e3cdbf393efb5f76f3e.exe

Filesize
3.9MB

MD5
6bd644d3c161d6a3ab59d5ef0a7fe4ef

SHA1
77a72b65af8956e3bebf69bebe847388d0aa65f6

SHA256
f7bded6cf79bdc4f982ca171fee02af14ca1eb07719576000c3a43078eb51ecb

SHA512
d5cb4ee66fff12dea9d563822f106637dd8ef153fa54fe0bd15e38a536ec1495831937f2d4889483cc2401e98a2678b160afdfe82b08bbf35aebb530a09fabe1

Download Submit
C:\Users\Admin\AppData\Local\Temp\VmLf3U.xml

Filesize
1KB

MD5
f0df2b27437b9530f46df0abfdca4ccc

SHA1
bc1686b7b409958a30ec8cd2292c545d29fe3485

SHA256
d192345817b1c577886e4b83a2dec664e515b7da85cab9f2a04f59b69b501ff7

SHA512
7ba5672639920e36d29c5535347ceba42662b8a97b6ac6a96120db2e4521768a36568a2dcd68e387e55a8ef1a55b65e340bd83cec51c1857c969f9fcf0d176be

Download Submit
memory/3216-14-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/3216-16-0x0000000001730000-0x00000000017AE000-memory.dmp

Filesize
504KB

Download
memory/3216-22-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/3216-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3216-28-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4612-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4612-2-0x0000000001720000-0x000000000179E000-memory.dmp

Filesize
504KB

Download
memory/4612-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4612-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads