cbc89fcc895d9aee6028ca0f4c899697901a882476aef81a92cc106a22c7bbd1

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 03:45

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General

Target
2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
Size 602KB
Sample240526-ea546sed86
SHA256 cbc89fcc895d9aee6028ca0f4c899697901a882476aef81a92cc106a22c7bbd1
MD5 169b1f31485f0103973555d92a17b8df
SHA1 bc28421db6ebe828041d9f06313056ff8fbcc52b
SHA512 f158e3929aabc17005af2fdca066004c8170cbec88b5bd061a72b3008749f655e153349d0f162ff27aef148108efbbe4cab367f8d9be714194b90474dd75c573
SSDEEP 12288:BO8oSyBu+/FNipnbfWdswjvrqFvhh72zS5:voSAu+//imWFz2i
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

evasion execution persistence

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	1892	Rundll32.exe

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
3012	system.exe
628	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe

Loads dropped DLL 12 IoCs

pid	Process
2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe
1892	Rundll32.exe
1892	Rundll32.exe
1892	Rundll32.exe
1892	Rundll32.exe
1892	Rundll32.exe
2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe"	Rundll32.exe

Enumerates connected drives 3 TTPs 2 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)	\??\D:	Rundll32.exe
File opened (read-only)	\??\F:	Rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\system.exe	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
File created	C:\Windows\SysWOW64\hrgmuctb.dll	system.exe
File created	C:\Windows\SysWOW64\avjmuctb.dll	system.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\AAV\CDriver.sys	Rundll32.exe

Launches sc.exe 7 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2536	sc.exe
2760	sc.exe
1328	sc.exe
2528	sc.exe
2424	sc.exe
2600	sc.exe
2512	sc.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe
2504	Rundll32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
480	Process not Found

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
628	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3012	2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe	28
PID 2252 wrote to memory of 3012	2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe	28
PID 2252 wrote to memory of 3012	2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe	28
PID 2252 wrote to memory of 3012	2252	2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe	28
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 3012 wrote to memory of 2504	3012	system.exe	29
PID 2504 wrote to memory of 2688	2504	Rundll32.exe	30
PID 2504 wrote to memory of 2688	2504	Rundll32.exe	30
PID 2504 wrote to memory of 2688	2504	Rundll32.exe	30
PID 2504 wrote to memory of 2688	2504	Rundll32.exe	30
PID 2504 wrote to memory of 2676	2504	Rundll32.exe	31
PID 2504 wrote to memory of 2676	2504	Rundll32.exe	31
PID 2504 wrote to memory of 2676	2504	Rundll32.exe	31
PID 2504 wrote to memory of 2676	2504	Rundll32.exe	31
PID 2504 wrote to memory of 2528	2504	Rundll32.exe	34
PID 2504 wrote to memory of 2528	2504	Rundll32.exe	34
PID 2504 wrote to memory of 2528	2504	Rundll32.exe	34
PID 2504 wrote to memory of 2528	2504	Rundll32.exe	34
PID 2504 wrote to memory of 1328	2504	Rundll32.exe	35
PID 2504 wrote to memory of 1328	2504	Rundll32.exe	35
PID 2504 wrote to memory of 1328	2504	Rundll32.exe	35
PID 2504 wrote to memory of 1328	2504	Rundll32.exe	35
PID 2676 wrote to memory of 2744	2676	net.exe	39
PID 2676 wrote to memory of 2744	2676	net.exe	39
PID 2676 wrote to memory of 2744	2676	net.exe	39
PID 2676 wrote to memory of 2744	2676	net.exe	39
PID 2688 wrote to memory of 2768	2688	net.exe	38
PID 2688 wrote to memory of 2768	2688	net.exe	38
PID 2688 wrote to memory of 2768	2688	net.exe	38
PID 2688 wrote to memory of 2768	2688	net.exe	38
PID 2504 wrote to memory of 2424	2504	Rundll32.exe	40
PID 2504 wrote to memory of 2424	2504	Rundll32.exe	40
PID 2504 wrote to memory of 2424	2504	Rundll32.exe	40
PID 2504 wrote to memory of 2424	2504	Rundll32.exe	40
PID 2504 wrote to memory of 2600	2504	Rundll32.exe	41
PID 2504 wrote to memory of 2600	2504	Rundll32.exe	41
PID 2504 wrote to memory of 2600	2504	Rundll32.exe	41
PID 2504 wrote to memory of 2600	2504	Rundll32.exe	41
PID 2504 wrote to memory of 2536	2504	Rundll32.exe	42
PID 2504 wrote to memory of 2536	2504	Rundll32.exe	42
PID 2504 wrote to memory of 2536	2504	Rundll32.exe	42
PID 2504 wrote to memory of 2536	2504	Rundll32.exe	42
PID 2504 wrote to memory of 2512	2504	Rundll32.exe	44
PID 2504 wrote to memory of 2512	2504	Rundll32.exe	44
PID 2504 wrote to memory of 2512	2504	Rundll32.exe	44
PID 2504 wrote to memory of 2512	2504	Rundll32.exe	44
PID 2504 wrote to memory of 2252	2504	Rundll32.exe	27
PID 2504 wrote to memory of 2252	2504	Rundll32.exe	27
PID 2504 wrote to memory of 3012	2504	Rundll32.exe	28
PID 2504 wrote to memory of 3012	2504	Rundll32.exe	28
PID 2504 wrote to memory of 2688	2504	Rundll32.exe	30
PID 2504 wrote to memory of 2688	2504	Rundll32.exe	30
PID 2504 wrote to memory of 2676	2504	Rundll32.exe	31
PID 2504 wrote to memory of 2676	2504	Rundll32.exe	31
PID 2504 wrote to memory of 2528	2504	Rundll32.exe	34
PID 2504 wrote to memory of 2528	2504	Rundll32.exe	34
PID 2504 wrote to memory of 1328	2504	Rundll32.exe	35
PID 2504 wrote to memory of 1328	2504	Rundll32.exe	35
PID 2504 wrote to memory of 2744	2504	Rundll32.exe	39

C:\Users\Admin\AppData\Local\Temp\2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\system.exe
  C:\Windows\system32\system.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\Rundll32.exe
    Rundll32 C:\Windows\system32\hrgmuctb.dll Exbcute
    3⤵
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2504
  - - C:\Windows\SysWOW64\net.exe
      net stop WinDefend
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2688
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop WinDefend
        5⤵
        
        PID:2768
  - - C:\Windows\SysWOW64\net.exe
      net stop MpsSvc
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2676
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop MpsSvc
        5⤵
        
        PID:2744
  - - C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      4⤵
      Launches sc.exe
      PID:2528
  - - C:\Windows\SysWOW64\sc.exe
      sc config MpsSvc start= disabled
      4⤵
      Launches sc.exe
      PID:1328
  - - C:\Windows\SysWOW64\sc.exe
      sc stop ZhuDongFangYu
      4⤵
      Launches sc.exe
      PID:2424
  - - C:\Windows\SysWOW64\sc.exe
      sc delete ZhuDongFangYu
      4⤵
      Launches sc.exe
      PID:2600
  - - C:\Windows\SysWOW64\sc.exe
      sc stop 360rp
      4⤵
      Launches sc.exe
      PID:2536
  - - C:\Windows\SysWOW64\sc.exe
      sc delete 360rp
      4⤵
      Launches sc.exe
      PID:2512
  - - C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" stop PolicyAgent
      4⤵
      Launches sc.exe
      PID:2760
- - C:\Windows\SysWOW64\Rundll32.exe
    Rundll32 C:\Windows\system32\avjmuctb.dll Exbcute
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Adds Run key to start application
    - Enumerates connected drives
    PID:1892
- C:\Users\Admin\AppData\Local\Temp\2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
  C:\Users\Admin\AppData\Local\Temp\2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

avjmuctb.dll

Path C:\Windows\SysWOW64\avjmuctb.dll
Size 24KB
SHA256 adc6b3bbd691387198f597c9228df74138ed601804ff35d0e78e08cb8bb24aac
MD5 af18ffd71cf2abe49e60353b9202bf70
SHA1 fca0fb502f5d79eacfb6b3af613e9f38e30220d8
SHA512 3bd7f681a659fbdd20953a5f1442102d8c10a9eab55f5ea0b815a205478a81a7eaae180313a80646bc972e486f0f4b8abe338b47ea792c2242f85a6349e9bceb
SSDEEP 384:bpdOHTNBZBARGYeaUkWEiGA610rRRZVmEbjBMR9CHome:bpkTnLRfbktyrdJjYCH+
MD5 SHA1 SHA512 SSDEEP

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hrgmuctb.dll

Path C:\Windows\SysWOW64\hrgmuctb.dll
Size 75KB
SHA256 c00834615d7d447d3f9c9803ddf8ed0ced42451170ba930146d04f18d2d880dc
MD5 9b0bdefd566a844ab82d31d41cae80eb
SHA1 11221562bee4503b003ba5f8e7be67df92093dd9
SHA512 66e2fd72a13ffd8bc1ddeca7b9db3eec92f15d744bd2faa11f76f35c92367af7c6ca6cef8405d9542b7ebd193c0e14b05ec96412c5ff0349826ed4e81ad43909
SSDEEP 1536:/2bsqzln3R4stMOiWGEP7w02rd9cqCmh6DY5atOXPQWz:/2QQRsEP7w0SJV
MD5 SHA1 SHA512 SSDEEP

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2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe

Path \Users\Admin\AppData\Local\Temp\2024-05-26_169b1f31485f0103973555d92a17b8df_icedid.exe
Size 454KB
SHA256 5c36cbc4ec7f56df3c15d71dcbfc4391a499f4b35f92966d52b418d5e19000f4
MD5 61a77d9b15c3587c37e488d15c047f1b
SHA1 0de190158dae1da0e21f87a4949bbff56bdc701b
SHA512 9f0632c0d3305e05e366131cb08586a09a54522b077b2c305b76c245f939da5774cc53ea9bf32d3cc364c113813ebe1f59b7410cdebc66727263708d71acddb2
SSDEEP 6144:AO8o0N5c2On/7E5ou+/FNip55rPWwTwLdhxUwfWg8Pn+gfbEprqFvhhK/J:AO8oSyBu+/FNipnbfWdswjvrqFvhhw
MD5 SHA1 SHA512 SSDEEP

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34A7.tmp

Path \Users\Admin\AppData\Local\Temp\34A7.tmp
Size 1.7MB
SHA256 1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc
MD5 b5eb5bd3066959611e1f7a80fd6cc172
SHA1 6fb1532059212c840737b3f923a9c0b152c0887a
SHA512 6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6
SSDEEP 24576:k0hZfeUi/TZD265ZndBrUmBSrJggv+l2VfXN062LOYU1+hE52l2ABNahDsWmlEdW:14Ui/TZJZwtlNOYP4NaJxiTZ33Z
MD5 SHA1 SHA512 SSDEEP

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system.exe

Path \Windows\SysWOW64\system.exe
Size 144KB
SHA256 894aa909df1f26bee14c9f66efd1e9d7a173967b83ee9040d939ce8d448062c7
MD5 2de43a2571b821f9cdcd84c3c23b7ce6
SHA1 ff038212807b5cc4ce85009877350a25f3495f1d
SHA512 de85d63e87fcc6a8cff1cf1120b33a7b1ef2bcdc068ce24f679df12550f5471ec456de103abac73d0c96d4cbdec7ccb8f2c0f2b868fc4187e92b3c1a9b9225a7
SSDEEP 1536:IaQJ4uxhhlPbJHS9sf2bsqzln3R4stMOiWGEP7w02rd9cqCmh6DY5atOXPQWzfbQ:IaQ/xrHS9sf2QQRsEP7w0SJVvbktO0
MD5 SHA1 SHA512 SSDEEP

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memory/2252-0-0x0000000000400000-0x000000000049C000-memory.dmp

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memory/2252-16-0x0000000000260000-0x0000000000261000-memory.dmp

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memory/2252-56-0x0000000000400000-0x000000000049C000-memory.dmp

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