120fdf400ef7877fb88426259fbdfccbfe1c6d39a386d92ffb61350c48b19fb7

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 03:48

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General

Target

2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
Size

3.9MB
MD5

e6a9aae6af0f1b0c792b70f57b501187
SHA1

02908d53cd1b3d76ffab7073e2667f7eaa6c427a
SHA256

120fdf400ef7877fb88426259fbdfccbfe1c6d39a386d92ffb61350c48b19fb7
SHA512

de558f371b61a316b213c5709f019e7fda116c5d6dfc211d7d5bebf534cb2865cb4630f6cc0d05bbace45a370a30d2cc24ced6f8d53baad91337b7784b10e532
SSDEEP

49152:tZu/BnyYMaj95ZV37PrlTbgpItLc8aOm7s+TgH01q7:tZnYMYZV3e427hTgUU7

Score

9^/10

bootkit persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023225-1.dat	UPX
behavioral2/memory/3620-3-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/3620-58-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/3620-63-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023225-1.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Loads dropped DLL 1 IoCs

pid	Process
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023225-1.dat	upx
behavioral2/memory/3620-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3620-58-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3620-63-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 2 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000_Classes\Local Settings	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4080	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
Token: SeLoadDriverPrivilege	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
Token: SeLoadDriverPrivilege	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 5104	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	89
PID 3620 wrote to memory of 5104	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	89
PID 3620 wrote to memory of 5104	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	89
PID 3620 wrote to memory of 640	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	92
PID 3620 wrote to memory of 640	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	92
PID 3620 wrote to memory of 640	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	92
PID 3620 wrote to memory of 2304	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	106
PID 3620 wrote to memory of 2304	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	106
PID 3620 wrote to memory of 2304	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	106
PID 3620 wrote to memory of 2684	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	105
PID 3620 wrote to memory of 2684	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	105
PID 3620 wrote to memory of 2684	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	105
PID 3620 wrote to memory of 1588	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	104
PID 3620 wrote to memory of 1588	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	104
PID 3620 wrote to memory of 1588	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	104
PID 3620 wrote to memory of 1568	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	99
PID 3620 wrote to memory of 1568	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	99
PID 3620 wrote to memory of 1568	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	99
PID 3620 wrote to memory of 3268	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	96
PID 3620 wrote to memory of 3268	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	96
PID 3620 wrote to memory of 3268	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	96
PID 3620 wrote to memory of 3972	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	95
PID 3620 wrote to memory of 3972	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	95
PID 3620 wrote to memory of 3972	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	95
PID 3620 wrote to memory of 860	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	93
PID 3620 wrote to memory of 860	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	93
PID 3620 wrote to memory of 860	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	93
PID 3620 wrote to memory of 4080	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	113
PID 3620 wrote to memory of 4080	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	113
PID 3620 wrote to memory of 4080	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	113
PID 3620 wrote to memory of 2276	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	116
PID 3620 wrote to memory of 2276	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	116
PID 3620 wrote to memory of 2276	3620	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	116

C:\Users\Admin\AppData\Local\Temp\2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  PID:5104
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 53-50-d8-2a-ed-e4
  2⤵
  PID:640
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 37-13-07-b1-75-53
  2⤵
  PID:860
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 40-28-fc-c8-31-01
  2⤵
  PID:3972
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 f4-cb-b7-2e-87-07
  2⤵
  PID:3268
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 e9-e3-1e-6b-73-20
  2⤵
  PID:1568
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 df-4e-31-81-66-e2
  2⤵
  PID:1588
- C:\Windows\SysWOW64\arp.exe
  arp -s 167.235.102.184 0d-48-c1-dd-1b-aa
  2⤵
  PID:2684
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 b0-65-f5-58-1d-3b
  2⤵
  PID:2304
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Windows\temp\cpuz_driver_3620.log
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4080
- C:\Windows\SysWOW64\arp.exe
  arp -d
  2⤵
  PID:2276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
C:\Windows\Temp\cpuz_driver_3620.log

Filesize
2KB

MD5
5d480dd4045a1e0a88c455551b2fe860

SHA1
4c38d696c4a80235f8ba72d8446232743f5c64bc

SHA256
95fafc19fe68d8fa683da7f19260222680ca7051d9e629732060f690c979892c

SHA512
cdb3f02f11f620b428b118270399d7926b342e6c515c754d235a8336e3a45e3e748458564a9a99f44b7800cfe4c689d78718144898563b6c53f0ff4787650614

Download Submit
C:\Windows\Temp\cpuz_driver_3620.log

Filesize
1KB

MD5
62f4833c08f5ce2d0d6ec252198ae5df

SHA1
2e916d810812a104ed181e2473f1d671b858305d

SHA256
d1c682cb86bfabd7f7b30ba594a70a736971d957e6a519fc623977d9c9002475

SHA512
753f0a6e34a236d055e113cc0033cb380ca65e01a5cfb6d88507db80fc67797f83e696ac691c65f11fab0507166a450fbed33dbec3f4cb493a8f5e2c54351184

Download Submit
C:\Windows\temp\cpuz_driver_3620.log

Filesize
2KB

MD5
887742b9100a14f3044323a97b525193

SHA1
28b0a2ff756c5dfa19474772332d0cce7522de6e

SHA256
4c0c76d6b1fb7165473d8708830da5128feecc1867579abc9dabcb010e89a0de

SHA512
2383fa83a8c02cf6b150ba9a4efa370faa2e5c30986f5452e0c1907239a6b01391e4378ac2fce6e013922d0d65cb36bea69fcdc069b17a15b1542727121eb286

Download Submit
memory/3620-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3620-51-0x0000000000400000-0x00000000007E3000-memory.dmp

Filesize
3.9MB

Download
memory/3620-58-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3620-61-0x0000000075A40000-0x0000000075AA3000-memory.dmp

Filesize
396KB

Download
memory/3620-63-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3620-65-0x0000000000400000-0x00000000007E3000-memory.dmp

Filesize
3.9MB

Download