8f78742bce146b0d7d8870d5d7aa603cfcc198f0c21cfd4ddca8862fc5fc13d3

Analysis

max time kernel
133s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 14:04

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General

Target

ac0fa75d432b56421468beb62e5007b3.exe
Size

211KB
MD5

ac0fa75d432b56421468beb62e5007b3
SHA1

08b899e36299b2b23c210b85397d57db53a78b39
SHA256

8f78742bce146b0d7d8870d5d7aa603cfcc198f0c21cfd4ddca8862fc5fc13d3
SHA512

26644857e844f88e6637f8e0270deebdc474b152463ded755799be68a24b8d626441c4395fb5cd06d11ba9262966142aa4dc758f1857e7874cc819c7a266340a
SSDEEP

6144:27E1dtGmCEqlhP2jsUAo0TMpjDw6Yq3tqU2Lm:7dhDqDOY7o0YpXqU2q

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3692	Fkebaa.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5112-0-0x0000000000400000-0x0000000000474000-memory.dmp	upx
behavioral2/memory/5112-1-0x0000000000400000-0x0000000000474000-memory.dmp	upx
behavioral2/memory/5112-2-0x0000000000400000-0x0000000000474000-memory.dmp	upx
behavioral2/files/0x0008000000023354-11.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fkebaa.exe	ac0fa75d432b56421468beb62e5007b3.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Fkebaa.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Fkebaa.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	ac0fa75d432b56421468beb62e5007b3.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	ac0fa75d432b56421468beb62e5007b3.exe
File created	C:\Windows\Fkebaa.exe	ac0fa75d432b56421468beb62e5007b3.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	3692	WerFault.exe	98

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main	Fkebaa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe
3692	Fkebaa.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
5112	ac0fa75d432b56421468beb62e5007b3.exe
3692	Fkebaa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3692	5112	ac0fa75d432b56421468beb62e5007b3.exe	98
PID 5112 wrote to memory of 3692	5112	ac0fa75d432b56421468beb62e5007b3.exe	98
PID 5112 wrote to memory of 3692	5112	ac0fa75d432b56421468beb62e5007b3.exe	98

C:\Users\Admin\AppData\Local\Temp\ac0fa75d432b56421468beb62e5007b3.exe
"C:\Users\Admin\AppData\Local\Temp\ac0fa75d432b56421468beb62e5007b3.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\Fkebaa.exe
  C:\Windows\Fkebaa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 624
    3⤵
    - Program crash
    PID:2520

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
1⤵
PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3692 -ip 3692
1⤵
PID:1516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Fkebaa.exe

Filesize
211KB

MD5
ac0fa75d432b56421468beb62e5007b3

SHA1
08b899e36299b2b23c210b85397d57db53a78b39

SHA256
8f78742bce146b0d7d8870d5d7aa603cfcc198f0c21cfd4ddca8862fc5fc13d3

SHA512
26644857e844f88e6637f8e0270deebdc474b152463ded755799be68a24b8d626441c4395fb5cd06d11ba9262966142aa4dc758f1857e7874cc819c7a266340a

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
362B

MD5
f89f4a2716b3893cf2155c23ac3bd6f0

SHA1
5f7257748a40e301748774784a6346f06c89b2ca

SHA256
cc534c5da997ad6f267348838a17218afed3038f2f2fabf13ca5068ff78e01bb

SHA512
147b1a65513f13ee3193d794f845645cb544f7ca96068a9f7ab10a18d6232a959c7d68ad48f8f09b0d309d312b1a1aef26698b55e0296c26c27c35e05d8a402b

Download Submit
memory/3692-140449-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3692-28987-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3692-25238-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/3692-22-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3692-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/5112-3-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/5112-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/5112-8510-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/5112-13473-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/5112-0-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/5112-2-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/5112-1-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download