cf6c02293622bc5ac57fba38ef2948b9545e4996e98faf068bfeb6a408ef259e

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 18:47

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General

Target

9c6048ad660972b8b357e8d8e994edd5.exe
Size

45KB
MD5

9c6048ad660972b8b357e8d8e994edd5
SHA1

da01fc2b475dd2e67035d2dadfed532a6bfa905d
SHA256

cf6c02293622bc5ac57fba38ef2948b9545e4996e98faf068bfeb6a408ef259e
SHA512

22152dad8290c55f4f05d0e5d9cfb3b8994e80b70b487fad0c2b74613374ec047d1c5232479e447df09c9399d1c665e21e678e70ae8c1ea0e74f48015a4fe59e
SSDEEP

768:HZsJIDGQ4AdDIQjPMTa809gX2/DpgW1Gr0udA+mPjy6JmNoa+zYgHFbB41nMaz5D:5WlGDIEI09XVg/dA+mLPJmNoa+EgHI1r

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run	ishost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\ishost.exe = "ishost.exe"	ishost.exe

Deletes itself 1 IoCs

pid	Process
2812	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1224	ishost.exe
1324	ismon.exe

Loads dropped DLL 4 IoCs

pid	Process
2236	9c6048ad660972b8b357e8d8e994edd5.exe
2236	9c6048ad660972b8b357e8d8e994edd5.exe
1224	ishost.exe
1224	ishost.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ishost.exe	9c6048ad660972b8b357e8d8e994edd5.exe
File opened for modification	C:\Windows\SysWOW64\ishost.exe	9c6048ad660972b8b357e8d8e994edd5.exe
File created	C:\Windows\SysWOW64\ismon.exe	ishost.exe
File created	C:\Windows\SysWOW64\components\flx0.dll	ishost.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2236	9c6048ad660972b8b357e8d8e994edd5.exe
1224	ishost.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe
1224	ishost.exe
1324	ismon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2236	9c6048ad660972b8b357e8d8e994edd5.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2236	9c6048ad660972b8b357e8d8e994edd5.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1224	2236	9c6048ad660972b8b357e8d8e994edd5.exe	28
PID 2236 wrote to memory of 1224	2236	9c6048ad660972b8b357e8d8e994edd5.exe	28
PID 2236 wrote to memory of 1224	2236	9c6048ad660972b8b357e8d8e994edd5.exe	28
PID 2236 wrote to memory of 1224	2236	9c6048ad660972b8b357e8d8e994edd5.exe	28
PID 1224 wrote to memory of 1324	1224	ishost.exe	30
PID 1224 wrote to memory of 1324	1224	ishost.exe	30
PID 1224 wrote to memory of 1324	1224	ishost.exe	30
PID 1224 wrote to memory of 1324	1224	ishost.exe	30
PID 2236 wrote to memory of 2812	2236	9c6048ad660972b8b357e8d8e994edd5.exe	29
PID 2236 wrote to memory of 2812	2236	9c6048ad660972b8b357e8d8e994edd5.exe	29
PID 2236 wrote to memory of 2812	2236	9c6048ad660972b8b357e8d8e994edd5.exe	29
PID 2236 wrote to memory of 2812	2236	9c6048ad660972b8b357e8d8e994edd5.exe	29

C:\Users\Admin\AppData\Local\Temp\9c6048ad660972b8b357e8d8e994edd5.exe
"C:\Users\Admin\AppData\Local\Temp\9c6048ad660972b8b357e8d8e994edd5.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\ishost.exe
  C:\Windows\system32\ishost.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\ismon.exe
    C:\Windows\system32\ismon.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:1324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9C6048~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2812

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\ismon.exe

Filesize
5KB

MD5
9c483866f9db2a6509eb0c06a4707bea

SHA1
68b47d95cc4eabfd8e12abde495bdf29a0572f31

SHA256
a4424a6e2bcb12e7063fd61fa88f658fecc88a46435e9d2c3dfa01e347fe1f77

SHA512
5f4eb705593d3f67648d4d01e74d11281ab02e4ab7428f17d50f13a11487d3b2ebeea55a34a4dcb0bd4dbad0e23517c4e5dfa57fd31867649760f57771946680

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\Windows\SysWOW64\ishost.exe

Filesize
27KB

MD5
ad12c88d3ffc08b31d3dbd6fe41cf6ad

SHA1
b6b996b1e3778ce7d2fe4f30c724736c63cd61e7

SHA256
7f5e31da79e7624389b74609e462c87f226dae7c485d635693c3ff8e7a52e54a

SHA512
8b47427d7b0c46eff7cc1e1e9ef92225108a218e0a0dfcb9860400ec21ef32bfc2ee9c403d9f1494a63b54fc1518915a720dc2655beb60625c353676970d7f13

Download Submit