426d6600c5bcfb91d8bdc0141a2228efdd1143bf4113b98eafec253bd5baf338

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 05:14

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General

Target

a107a6702ea5101cab5c79c6e6880df8.exe
Size

312KB
MD5

a107a6702ea5101cab5c79c6e6880df8
SHA1

4ab6d4a7565a87c38e5476faf02df040ab0c9b05
SHA256

426d6600c5bcfb91d8bdc0141a2228efdd1143bf4113b98eafec253bd5baf338
SHA512

1a67836af098cfca2f5214dacfcf1dcb559c944246f98761f6225ee9a307160a174ca5401b191ad3ed30f75ad90df69b70cadf47026fe9d81d55d675fd1e2bd7
SSDEEP

6144:tY4WB6ycJpBHIoReOyS4nUrqmiuFFDZhyLl13OUz/8m10h:tY4tRsnS4UZiMJZ4BYUZmh

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4644	fCfNiLo01804.exe

Executes dropped EXE 1 IoCs

pid	Process
4644	fCfNiLo01804.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2948-1-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/2948-4-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/2948-5-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/4644-17-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/4644-18-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/2948-23-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/4644-27-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/4644-31-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/2948-42-0x0000000000400000-0x00000000004B2000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\fCfNiLo01804 = "C:\\ProgramData\\fCfNiLo01804\\fCfNiLo01804.exe"	fCfNiLo01804.exe

Program crash 30 IoCs

pid	pid_target	Process	procid_target
4792	2948	WerFault.exe	52
2248	2948	WerFault.exe	52
2112	4644	WerFault.exe	93
404	2948	WerFault.exe	52
2832	2948	WerFault.exe	52
4968	4644	WerFault.exe	93
1932	2948	WerFault.exe	52
448	4644	WerFault.exe	93
1680	2948	WerFault.exe	52
2908	4644	WerFault.exe	93
3532	2948	WerFault.exe	52
3136	4644	WerFault.exe	93
3376	2948	WerFault.exe	52
1936	4644	WerFault.exe	93
2300	4644	WerFault.exe	93
3712	2948	WerFault.exe	52
4012	4644	WerFault.exe	93
4344	4644	WerFault.exe	93
4140	4644	WerFault.exe	93
2328	4644	WerFault.exe	93
2096	4644	WerFault.exe	93
804	4644	WerFault.exe	93
364	4644	WerFault.exe	93
4820	4644	WerFault.exe	93
976	4644	WerFault.exe	93
3700	4644	WerFault.exe	93
2460	2948	WerFault.exe	52
4664	2948	WerFault.exe	52
1148	4644	WerFault.exe	93
4628	4644	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe
2948	a107a6702ea5101cab5c79c6e6880df8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	a107a6702ea5101cab5c79c6e6880df8.exe
Token: SeDebugPrivilege	4644	fCfNiLo01804.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4644	fCfNiLo01804.exe
4644	fCfNiLo01804.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 4644	2948	a107a6702ea5101cab5c79c6e6880df8.exe	93
PID 2948 wrote to memory of 4644	2948	a107a6702ea5101cab5c79c6e6880df8.exe	93
PID 2948 wrote to memory of 4644	2948	a107a6702ea5101cab5c79c6e6880df8.exe	93

C:\Users\Admin\AppData\Local\Temp\a107a6702ea5101cab5c79c6e6880df8.exe
"C:\Users\Admin\AppData\Local\Temp\a107a6702ea5101cab5c79c6e6880df8.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 552
  2⤵
  - Program crash
  PID:4792
- C:\ProgramData\fCfNiLo01804\fCfNiLo01804.exe
  "C:\ProgramData\fCfNiLo01804\fCfNiLo01804.exe" "C:\Users\Admin\AppData\Local\Temp\a107a6702ea5101cab5c79c6e6880df8.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 604
    3⤵
    - Program crash
    PID:2112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 616
    3⤵
    - Program crash
    PID:4968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 788
    3⤵
    - Program crash
    PID:448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 796
    3⤵
    - Program crash
    PID:2908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 840
    3⤵
    - Program crash
    PID:3136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 848
    3⤵
    - Program crash
    PID:1936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1032
    3⤵
    - Program crash
    PID:2300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1080
    3⤵
    - Program crash
    PID:4012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1260
    3⤵
    - Program crash
    PID:4344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1428
    3⤵
    - Program crash
    PID:4140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1640
    3⤵
    - Program crash
    PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 952
    3⤵
    - Program crash
    PID:2096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1632
    3⤵
    - Program crash
    PID:804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1716
    3⤵
    - Program crash
    PID:364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1828
    3⤵
    - Program crash
    PID:4820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1836
    3⤵
    - Program crash
    PID:976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 640
    3⤵
    - Program crash
    PID:3700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 756
    3⤵
    - Program crash
    PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 812
    3⤵
    - Program crash
    PID:4628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 620
  2⤵
  - Program crash
  PID:2248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 792
  2⤵
  - Program crash
  PID:404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 800
  2⤵
  - Program crash
  PID:2832
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 844
  2⤵
  - Program crash
  PID:1932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 852
  2⤵
  - Program crash
  PID:1680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1012
  2⤵
  - Program crash
  PID:3532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1032
  2⤵
  - Program crash
  PID:3376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1060
  2⤵
  - Program crash
  PID:3712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 644
  2⤵
  - Program crash
  PID:2460
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 140
  2⤵
  - Program crash
  PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2948 -ip 2948
1⤵
PID:4076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2948 -ip 2948
1⤵
PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4644 -ip 4644
1⤵
PID:2584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2948 -ip 2948
1⤵
PID:1036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2948 -ip 2948
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4644 -ip 4644
1⤵
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4644 -ip 4644
1⤵
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2948 -ip 2948
1⤵
PID:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2948 -ip 2948
1⤵
PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4644 -ip 4644
1⤵
PID:3344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2948 -ip 2948
1⤵
PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4644 -ip 4644
1⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 2948 -ip 2948
1⤵
PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 4644 -ip 4644
1⤵
PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4644 -ip 4644
1⤵
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2948 -ip 2948
1⤵
PID:4376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4644 -ip 4644
1⤵
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 648 -p 4644 -ip 4644
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4644 -ip 4644
1⤵
PID:4124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 688 -p 4644 -ip 4644
1⤵
PID:884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 684 -p 4644 -ip 4644
1⤵
PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 672 -p 4644 -ip 4644
1⤵
PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 696 -p 4644 -ip 4644
1⤵
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 676 -p 4644 -ip 4644
1⤵
PID:2252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 700 -p 4644 -ip 4644
1⤵
PID:3508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 676 -p 4644 -ip 4644
1⤵
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 708 -p 2948 -ip 2948
1⤵
PID:1584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 692 -p 2948 -ip 2948
1⤵
PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 740 -p 4644 -ip 4644
1⤵
PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 732 -p 4644 -ip 4644
1⤵
PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\fCfNiLo01804\fCfNiLo01804.exe

Filesize
312KB

MD5
2c332ca6498af3d30a3c6ad03282602e

SHA1
e33fb60e3b3a8a482b5fc435f4e56ad89e4880d1

SHA256
a57e3827a021095cec772197a8d2bd3593b70fd833ec052fd9f1529d6ac99a17

SHA512
9b478e8ff599148750d622e51df022cf05a79ac5987909d78194c4e98fd1e0467c02332d9973f4dfa5f8ef2f6e30a1239380f003e57249f5f426b34e4dccfd0b

Download Submit
C:\ProgramData\fCfNiLo01804\fCfNiLo01804.exe

Filesize
133KB

MD5
8985550cb7d3434ec048cb572b913435

SHA1
ff6dc566a3f16ef7f250b697b80c36fdfab45ebb

SHA256
1a6c46fe05c0f65d13db750a57575978139fc961e4b4f616f6daad2d4bbdeea9

SHA512
6c0134c54ec8e440edf578246815702f244e1def0915f6f6b0a699de734335a45eb6d092eb07a8547fcb5a1aeeb8d746d32f421b1515c12ff0ab2c131dacae90

Download Submit
memory/2948-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2948-3-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/2948-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2948-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2948-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2948-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4644-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

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memory/4644-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

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memory/4644-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

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memory/4644-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

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