d7e180dd4a16cfe2a8f63b4d9839d082905306a7733f7cecc2f932ba7a678c27

Analysis

max time kernel
7s
max time network
75s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 14:58

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General

Target

43f829a148b1a5be7a03493eb65415fa.exe
Size

1003KB
MD5

43f829a148b1a5be7a03493eb65415fa
SHA1

6ad148289a8cc2bec304da07d007df83a984a0c1
SHA256

d7e180dd4a16cfe2a8f63b4d9839d082905306a7733f7cecc2f932ba7a678c27
SHA512

736a006d8a1ce0a5dc868fd5fd7828df03a90bd670e31bac84db74fc2cde40cce3f2b35d60fa24e0f15a4e116c569bdd91ed48bd67efa8514eec526652a11241
SSDEEP

24576:ghkAfTvGchM3FbtoCPMnczDcjukL2CDYibq6/yqLNaF:ghkAf7GN3ttoCPMczDcakLz0ibq6yqh

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1428	43f829a148b1a5be7a03493eb65415fa.exe

Executes dropped EXE 1 IoCs

pid	Process
1428	43f829a148b1a5be7a03493eb65415fa.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/208-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Program crash 18 IoCs

pid	pid_target	Process	procid_target
1104	1428	WerFault.exe
4712	1428	WerFault.exe	42
3864	1428	WerFault.exe	42
4504	1428	WerFault.exe	42
376	1428	WerFault.exe	42
968	1428	WerFault.exe	42
4288	1428	WerFault.exe	42
2428	1428	WerFault.exe	42
3976	1428	WerFault.exe	42
100	1428	WerFault.exe	42
3568	1428	WerFault.exe	42
3620	1428	WerFault.exe	42
4568	1428	WerFault.exe	42
2972	1428	WerFault.exe	42
4456	1428	WerFault.exe	42
3200	1428	WerFault.exe	42
4608	1428	WerFault.exe	42
1280	1428	WerFault.exe	42

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
4272	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
208	43f829a148b1a5be7a03493eb65415fa.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
208	43f829a148b1a5be7a03493eb65415fa.exe
1428	43f829a148b1a5be7a03493eb65415fa.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1428	208	43f829a148b1a5be7a03493eb65415fa.exe	42
PID 208 wrote to memory of 1428	208	43f829a148b1a5be7a03493eb65415fa.exe	42
PID 208 wrote to memory of 1428	208	43f829a148b1a5be7a03493eb65415fa.exe	42
PID 1428 wrote to memory of 4272	1428	43f829a148b1a5be7a03493eb65415fa.exe	32
PID 1428 wrote to memory of 4272	1428	43f829a148b1a5be7a03493eb65415fa.exe	32
PID 1428 wrote to memory of 4272	1428	43f829a148b1a5be7a03493eb65415fa.exe	32
PID 1428 wrote to memory of 4336	1428	43f829a148b1a5be7a03493eb65415fa.exe	41
PID 1428 wrote to memory of 4336	1428	43f829a148b1a5be7a03493eb65415fa.exe	41
PID 1428 wrote to memory of 4336	1428	43f829a148b1a5be7a03493eb65415fa.exe	41
PID 4336 wrote to memory of 3628	4336	cmd.exe	33
PID 4336 wrote to memory of 3628	4336	cmd.exe	33
PID 4336 wrote to memory of 3628	4336	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\43f829a148b1a5be7a03493eb65415fa.exe
"C:\Users\Admin\AppData\Local\Temp\43f829a148b1a5be7a03493eb65415fa.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:208
- C:\Users\Admin\AppData\Local\Temp\43f829a148b1a5be7a03493eb65415fa.exe
  C:\Users\Admin\AppData\Local\Temp\43f829a148b1a5be7a03493eb65415fa.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 632
    3⤵
    - Program crash
    PID:4712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 640
    3⤵
    - Program crash
    PID:3864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 636
    3⤵
    - Program crash
    PID:4504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 636
    3⤵
    - Program crash
    PID:376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 780
    3⤵
    - Program crash
    PID:968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1476
    3⤵
    - Program crash
    PID:4288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1916
    3⤵
    - Program crash
    PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 2144
    3⤵
    - Program crash
    PID:3976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 2100
    3⤵
    - Program crash
    PID:100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1956
    3⤵
    - Program crash
    PID:3568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1920
    3⤵
    - Program crash
    PID:3620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1960
    3⤵
    - Program crash
    PID:4568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 2144
    3⤵
    - Program crash
    PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1920
    3⤵
    - Program crash
    PID:4456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 2112
    3⤵
    - Program crash
    PID:3200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1952
    3⤵
    - Program crash
    PID:4608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 628
    3⤵
    - Program crash
    PID:1280

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\43f829a148b1a5be7a03493eb65415fa.exe" /TN mCaqQXkK46ae /F
1⤵
- Creates scheduled task(s)
PID:4272

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN mCaqQXkK46ae
1⤵
PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1428 -ip 1428
1⤵
PID:2468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 604
1⤵
- Program crash
PID:1104

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c schtasks.exe /Query /XML /TN mCaqQXkK46ae > C:\Users\Admin\AppData\Local\Temp\a4tW5X6g2.xml
1⤵
- Suspicious use of WriteProcessMemory
PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1428 -ip 1428
1⤵
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1428 -ip 1428
1⤵
PID:2988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1428 -ip 1428
1⤵
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1428 -ip 1428
1⤵
PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1428 -ip 1428
1⤵
PID:2640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1428 -ip 1428
1⤵
PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1428 -ip 1428
1⤵
PID:2520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1428 -ip 1428
1⤵
PID:3432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1428 -ip 1428
1⤵
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1428 -ip 1428
1⤵
PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1428 -ip 1428
1⤵
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1428 -ip 1428
1⤵
PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1428 -ip 1428
1⤵
PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1428 -ip 1428
1⤵
PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 1428 -ip 1428
1⤵
PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1428 -ip 1428
1⤵
PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 1428 -ip 1428
1⤵
PID:2104

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/208-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/208-6-0x0000000001730000-0x00000000017AE000-memory.dmp

Filesize
504KB

Download
memory/208-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/208-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1428-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1428-22-0x00000000004B0000-0x000000000051B000-memory.dmp

Filesize
428KB

Download
memory/1428-18-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1428-16-0x00000000016E0000-0x000000000175E000-memory.dmp

Filesize
504KB

Download
memory/1428-41-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads