b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 12:27

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General

Target

b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe
Size

413KB
MD5

705f9df169f55d291dcc0a015509903c
SHA1

d72124cae5edf6f888a45c86af9b87669b8903b3
SHA256

b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965
SHA512

208faf23f5bff13896042241b9434b556192f8aed4cf51e7633b2ba47f940bf95e0a2da84a2f0eda1f25e25cf31317773dc2a33a0fdbd589a91484724ca23a46
SSDEEP

6144:e2GoNREtUzhIBhwrtKQeMixD10lqk3A+8sJSy91qBrXVXHMOXXNdgtCxdJS0:e0W6bcOZ3AuwiqBrFpXXg0W

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3372	aMnBl12800.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3536-132-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3536-134-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3536-135-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3372-142-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3536-143-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3372-144-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3536-145-0x0000000000400000-0x00000000004B2000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\aMnBl12800 = "C:\\ProgramData\\aMnBl12800\\aMnBl12800.exe"	aMnBl12800.exe

Program crash 24 IoCs

pid	pid_target	Process	procid_target
624	3536	WerFault.exe	82
724	3536	WerFault.exe	82
1140	3372	WerFault.exe	87
4592	3536	WerFault.exe	82
3316	3372	WerFault.exe	87
2956	3536	WerFault.exe	82
4876	3372	WerFault.exe	87
4328	3536	WerFault.exe	82
4880	3372	WerFault.exe	87
4736	3536	WerFault.exe	82
1108	3372	WerFault.exe	87
1956	3536	WerFault.exe	82
1052	3372	WerFault.exe	87
5088	3536	WerFault.exe	82
744	3372	WerFault.exe	87
4212	3372	WerFault.exe	87
3588	3372	WerFault.exe	87
5088	3372	WerFault.exe	87
3128	3372	WerFault.exe	87
2664	3536	WerFault.exe	82
1288	3372	WerFault.exe	87
3064	3372	WerFault.exe	87
4608	3536	WerFault.exe	82
1140	3372	WerFault.exe	87

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe
Token: SeDebugPrivilege	3372	aMnBl12800.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3372	aMnBl12800.exe
3372	aMnBl12800.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3372	aMnBl12800.exe
3372	aMnBl12800.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3372	aMnBl12800.exe
3372	aMnBl12800.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 3372	3536	b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe	87
PID 3536 wrote to memory of 3372	3536	b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe	87
PID 3536 wrote to memory of 3372	3536	b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe	87

C:\Users\Admin\AppData\Local\Temp\b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe
"C:\Users\Admin\AppData\Local\Temp\b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536
- C:\ProgramData\aMnBl12800\aMnBl12800.exe
  "C:\ProgramData\aMnBl12800\aMnBl12800.exe" "C:\Users\Admin\AppData\Local\Temp\b9ccac48253d5e67daab690380a1a0097a6fe9c88089e9e892ae2ff81184f965.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:3372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 760
    3⤵
    - Program crash
    PID:1140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 768
    3⤵
    - Program crash
    PID:3316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 772
    3⤵
    - Program crash
    PID:4876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 820
    3⤵
    - Program crash
    PID:4880
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 980
    3⤵
    - Program crash
    PID:1108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1012
    3⤵
    - Program crash
    PID:1052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1376
    3⤵
    - Program crash
    PID:744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1588
    3⤵
    - Program crash
    PID:4212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 928
    3⤵
    - Program crash
    PID:3588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 636
    3⤵
    - Program crash
    PID:5088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1664
    3⤵
    - Program crash
    PID:3128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1852
    3⤵
    - Program crash
    PID:1288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1860
    3⤵
    - Program crash
    PID:3064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1956
    3⤵
    - Program crash
    PID:1140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 612
  2⤵
  - Program crash
  PID:624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 784
  2⤵
  - Program crash
  PID:724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 792
  2⤵
  - Program crash
  PID:4592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 792
  2⤵
  - Program crash
  PID:2956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 816
  2⤵
  - Program crash
  PID:4328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 948
  2⤵
  - Program crash
  PID:4736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 1020
  2⤵
  - Program crash
  PID:1956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 1100
  2⤵
  - Program crash
  PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 636
  2⤵
  - Program crash
  PID:2664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 140
  2⤵
  - Program crash
  PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3536 -ip 3536
1⤵
PID:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3536 -ip 3536
1⤵
PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3372 -ip 3372
1⤵
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3536 -ip 3536
1⤵
PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3372 -ip 3372
1⤵
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3536 -ip 3536
1⤵
PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 3372 -ip 3372
1⤵
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3536 -ip 3536
1⤵
PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 3372 -ip 3372
1⤵
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 3536 -ip 3536
1⤵
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3372 -ip 3372
1⤵
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 3536 -ip 3536
1⤵
PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 640 -p 3372 -ip 3372
1⤵
PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 692 -p 3536 -ip 3536
1⤵
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 736 -p 3372 -ip 3372
1⤵
PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 736 -p 3372 -ip 3372
1⤵
PID:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 768 -p 3372 -ip 3372
1⤵
PID:2840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 788 -p 3372 -ip 3372
1⤵
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 760 -p 3372 -ip 3372
1⤵
PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 796 -p 3536 -ip 3536
1⤵
PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 808 -p 3372 -ip 3372
1⤵
PID:628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 824 -p 3372 -ip 3372
1⤵
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 772 -p 3536 -ip 3536
1⤵
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 820 -p 3372 -ip 3372
1⤵
PID:1512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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:\ProgramData\aMnBl12800\aMnBl12800.exe

Filesize
413KB

MD5
76b1f4c19274249dc6b957d71f7b5b57

SHA1
f763b8b0d05a4b7289d14c237554690836a8fd87

SHA256
c2b436d79bb9dff3901fc23d5dfded35ef94c268d33f67292eb4fa240ed38222

SHA512
44490ec3f4cacb98538626e7a6d166f80b16f4474947126a07d8761beadd4bee52d2e1a388d49fe11b3ad6757107eb0248714075afe34f78db23ad36ca9af6bb

Download Submit
C:\ProgramData\aMnBl12800\aMnBl12800.exe

Filesize
413KB

MD5
76b1f4c19274249dc6b957d71f7b5b57

SHA1
f763b8b0d05a4b7289d14c237554690836a8fd87

SHA256
c2b436d79bb9dff3901fc23d5dfded35ef94c268d33f67292eb4fa240ed38222

SHA512
44490ec3f4cacb98538626e7a6d166f80b16f4474947126a07d8761beadd4bee52d2e1a388d49fe11b3ad6757107eb0248714075afe34f78db23ad36ca9af6bb

Download Submit
memory/3372-142-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3372-144-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3536-132-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3536-134-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3536-135-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3536-143-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3536-145-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download