78b9e0050850c5a99bedd2e0a1b847976d46d18f3d8936d9e33cb517a5b35c05

Analysis

max time kernel
4s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 02:18

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General

Target

5537ae68764b67d0c14bed5cf2e3f646.exe
Size

3.0MB
MD5

5537ae68764b67d0c14bed5cf2e3f646
SHA1

0eb2e9117fd18af0aabff0b1d43bee946e878044
SHA256

78b9e0050850c5a99bedd2e0a1b847976d46d18f3d8936d9e33cb517a5b35c05
SHA512

6949986a700878275ec43788b1119aa6bc750a8dfab2363669090012f9c3af0133ff76e01c33f4b6b876d6047ba7be0222812c5087646d94eefcd4384f51a89b
SSDEEP

49152:oOTFCicXbf8VmBhDcakLoY4fIKSW6TItcakL62XgNzcwO2RmBoV8cakLoY4fIKSp:1TFCJXYVmBhDcakH4fInW6McakpXgNzb

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1112	5537ae68764b67d0c14bed5cf2e3f646.exe

Executes dropped EXE 1 IoCs

pid	Process
1112	5537ae68764b67d0c14bed5cf2e3f646.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4596-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/memory/1112-14-0x0000000000400000-0x000000000065C000-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
3832	1112	WerFault.exe	20
3592	1112	WerFault.exe	20
772	1112	WerFault.exe	20
1148	1112	WerFault.exe	20
3664	1112	WerFault.exe	20
1724	1112	WerFault.exe	20
4876	1112	WerFault.exe	20
3320	1112	WerFault.exe	20
3260	1112	WerFault.exe	20
1416	1112	WerFault.exe	20
640	1112	WerFault.exe	20
1332	1112	WerFault.exe	20
4052	1112	WerFault.exe	20
3528	1112	WerFault.exe	20
2380	1112	WerFault.exe	20
820	1112	WerFault.exe	20
3272	1112	WerFault.exe	20
4864	1112	WerFault.exe	20

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
3532	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4596	5537ae68764b67d0c14bed5cf2e3f646.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4596	5537ae68764b67d0c14bed5cf2e3f646.exe
1112	5537ae68764b67d0c14bed5cf2e3f646.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 1112	4596	5537ae68764b67d0c14bed5cf2e3f646.exe	20
PID 4596 wrote to memory of 1112	4596	5537ae68764b67d0c14bed5cf2e3f646.exe	20
PID 4596 wrote to memory of 1112	4596	5537ae68764b67d0c14bed5cf2e3f646.exe	20
PID 1112 wrote to memory of 3532	1112	5537ae68764b67d0c14bed5cf2e3f646.exe	33
PID 1112 wrote to memory of 3532	1112	5537ae68764b67d0c14bed5cf2e3f646.exe	33
PID 1112 wrote to memory of 3532	1112	5537ae68764b67d0c14bed5cf2e3f646.exe	33
PID 1112 wrote to memory of 4820	1112	5537ae68764b67d0c14bed5cf2e3f646.exe	30
PID 1112 wrote to memory of 4820	1112	5537ae68764b67d0c14bed5cf2e3f646.exe	30
PID 1112 wrote to memory of 4820	1112	5537ae68764b67d0c14bed5cf2e3f646.exe	30
PID 4820 wrote to memory of 3712	4820	cmd.exe	23
PID 4820 wrote to memory of 3712	4820	cmd.exe	23
PID 4820 wrote to memory of 3712	4820	cmd.exe	23

C:\Users\Admin\AppData\Local\Temp\5537ae68764b67d0c14bed5cf2e3f646.exe
"C:\Users\Admin\AppData\Local\Temp\5537ae68764b67d0c14bed5cf2e3f646.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\5537ae68764b67d0c14bed5cf2e3f646.exe
  C:\Users\Admin\AppData\Local\Temp\5537ae68764b67d0c14bed5cf2e3f646.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 616
    3⤵
    - Program crash
    PID:3832
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN 0Su7L8S745c1 > C:\Users\Admin\AppData\Local\Temp\Yh6wZ.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 652
    3⤵
    - Program crash
    PID:3592
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\5537ae68764b67d0c14bed5cf2e3f646.exe" /TN 0Su7L8S745c1 /F
    3⤵
    - Creates scheduled task(s)
    PID:3532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 724
    3⤵
    - Program crash
    PID:772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 728
    3⤵
    - Program crash
    PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 736
    3⤵
    - Program crash
    PID:3664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 752
    3⤵
    - Program crash
    PID:1724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1456
    3⤵
    - Program crash
    PID:4876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1924
    3⤵
    - Program crash
    PID:3320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2144
    3⤵
    - Program crash
    PID:3260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2096
    3⤵
    - Program crash
    PID:1416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1460
    3⤵
    - Program crash
    PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1984
    3⤵
    - Program crash
    PID:1332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1968
    3⤵
    - Program crash
    PID:4052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1928
    3⤵
    - Program crash
    PID:3528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1460
    3⤵
    - Program crash
    PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1984
    3⤵
    - Program crash
    PID:820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2104
    3⤵
    - Program crash
    PID:3272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 720
    3⤵
    - Program crash
    PID:4864

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN 0Su7L8S745c1
1⤵
PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1112 -ip 1112
1⤵
PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1112 -ip 1112
1⤵
PID:820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1112 -ip 1112
1⤵
PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1112 -ip 1112
1⤵
PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1112 -ip 1112
1⤵
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1112 -ip 1112
1⤵
PID:948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1112 -ip 1112
1⤵
PID:3252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1112 -ip 1112
1⤵
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1112 -ip 1112
1⤵
PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1112 -ip 1112
1⤵
PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1112 -ip 1112
1⤵
PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1112 -ip 1112
1⤵
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1112 -ip 1112
1⤵
PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 1112 -ip 1112
1⤵
PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1112 -ip 1112
1⤵
PID:1892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 1112 -ip 1112
1⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 1112 -ip 1112
1⤵
PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 1112 -ip 1112
1⤵
PID:4024

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/1112-14-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1112-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1112-22-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/1112-16-0x0000000024FF0000-0x000000002506E000-memory.dmp

Filesize
504KB

Download
memory/1112-40-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4596-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4596-7-0x0000000001760000-0x00000000017DE000-memory.dmp

Filesize
504KB

Download
memory/4596-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4596-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads