120fdf400ef7877fb88426259fbdfccbfe1c6d39a386d92ffb61350c48b19fb7

Analysis

max time kernel
142s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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) 7 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012281-1.dat	UPX
behavioral1/memory/1916-3-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/1916-53-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/1916-62-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/1916-63-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/1916-64-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/1916-69-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012281-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012281-1.dat	upx
behavioral1/memory/1916-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1916-53-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1916-62-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1916-63-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1916-64-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1916-69-0x0000000010000000-0x0000000010033000-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

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1636	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
464	Process not Found
464	Process not Found
464	Process not Found
464	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
Token: SeLoadDriverPrivilege	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
Token: SeLoadDriverPrivilege	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe
1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2144	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	28
PID 1916 wrote to memory of 2144	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	28
PID 1916 wrote to memory of 2144	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	28
PID 1916 wrote to memory of 2144	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	28
PID 1916 wrote to memory of 2788	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	45
PID 1916 wrote to memory of 2788	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	45
PID 1916 wrote to memory of 2788	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	45
PID 1916 wrote to memory of 2788	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	45
PID 1916 wrote to memory of 2760	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	30
PID 1916 wrote to memory of 2760	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	30
PID 1916 wrote to memory of 2760	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	30
PID 1916 wrote to memory of 2760	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	30
PID 1916 wrote to memory of 2984	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	44
PID 1916 wrote to memory of 2984	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	44
PID 1916 wrote to memory of 2984	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	44
PID 1916 wrote to memory of 2984	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	44
PID 1916 wrote to memory of 2772	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	43
PID 1916 wrote to memory of 2772	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	43
PID 1916 wrote to memory of 2772	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	43
PID 1916 wrote to memory of 2772	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	43
PID 1916 wrote to memory of 2296	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	42
PID 1916 wrote to memory of 2296	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	42
PID 1916 wrote to memory of 2296	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	42
PID 1916 wrote to memory of 2296	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	42
PID 1916 wrote to memory of 2804	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	40
PID 1916 wrote to memory of 2804	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	40
PID 1916 wrote to memory of 2804	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	40
PID 1916 wrote to memory of 2804	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	40
PID 1916 wrote to memory of 2744	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	38
PID 1916 wrote to memory of 2744	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	38
PID 1916 wrote to memory of 2744	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	38
PID 1916 wrote to memory of 2744	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	38
PID 1916 wrote to memory of 2092	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	36
PID 1916 wrote to memory of 2092	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	36
PID 1916 wrote to memory of 2092	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	36
PID 1916 wrote to memory of 2092	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	36
PID 1916 wrote to memory of 2864	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	46
PID 1916 wrote to memory of 2864	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	46
PID 1916 wrote to memory of 2864	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	46
PID 1916 wrote to memory of 2864	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	46
PID 1916 wrote to memory of 1636	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	50
PID 1916 wrote to memory of 1636	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	50
PID 1916 wrote to memory of 1636	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	50
PID 1916 wrote to memory of 1636	1916	2024-01-24_e6a9aae6af0f1b0c792b70f57b501187_floxif_icedid.exe	50

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⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  PID:2144
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 bb-0d-1c-60-1e-19
  2⤵
  PID:2760
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 b2-e3-24-11-3c-15
  2⤵
  PID:2092
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 08-de-76-42-6b-1e
  2⤵
  PID:2744
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 e4-24-33-40-b0-e6
  2⤵
  PID:2804
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 78-a0-0c-b3-fa-ba
  2⤵
  PID:2296
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 c9-81-e3-8f-37-19
  2⤵
  PID:2772
- C:\Windows\SysWOW64\arp.exe
  arp -s 65.108.73.119 bf-56-3d-69-bb-65
  2⤵
  PID:2984
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 02-a2-43-2b-5d-eb
  2⤵
  PID:2788
- C:\Windows\SysWOW64\arp.exe
  arp -d
  2⤵
  PID:2864
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Windows\temp\cpuz_driver_1916.log
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1636

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:\Windows\Temp\cpuz_driver_1916.log

Filesize
595B

MD5
a8320c6b1de76aa6b8f8e9d9c912841e

SHA1
cc7b38b1700eaa2cff21aa3f2a234f772b82ca59

SHA256
174175e3f1fb584871621227815080e3e3a0ca1b0ac741f55dd96b876298a288

SHA512
99ea7660580c68e750cf5383e466c03f67c4730f2daf8208f7fa5fd7f65c0eb96d002d4336935081e8e0d3a0cfb3b38fda601538dd31a94e981c511d9bfd02d8

Download Submit
C:\Windows\Temp\cpuz_driver_1916.log

Filesize
980B

MD5
7e334e477cff7dd71291bf433f62213e

SHA1
3d09817b4d2d0419ebdc0d21695e5a8361c938e1

SHA256
b98069a620aa9eba32df81d1d9364d5c316bc78673292d73c7cd5a6fcf7b35db

SHA512
8fe0f6dd30c0fc390baeca6cc40f56e79f3984d5a4aa926b251bd0aa6af01360eac6e19aac283970c63a4ea42f2f73c316942bf9eb5ce4df2bd2a4052a7ccc3a

Download Submit
C:\Windows\temp\cpuz_driver_1916.log

Filesize
2KB

MD5
2db491c45a8db2f62c73dedb97561c55

SHA1
c5688a6bc2ba288a274b043b7cf0a84adc37e6d5

SHA256
2d88d3dbc929d4642ccf5eb01c0803bfe95f27bad927bc7f94f12d63141f95d4

SHA512
91981af943d94253b6d729fdad0749ce86f7a5a77642958420d9bbe1941eaa18497ec5310a901a3356ac0a6c65526cfaf8b8e59bab507f09773ab827b0a06930

Download Submit
\Program Files\Common Files\System\symsrv.dll

Filesize
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
memory/1916-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1916-53-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1916-59-0x0000000075B50000-0x0000000075B85000-memory.dmp

Filesize
212KB

Download
memory/1916-60-0x0000000075B50000-0x0000000075B85000-memory.dmp

Filesize
212KB

Download
memory/1916-62-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1916-63-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1916-64-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1916-69-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download