2481bd510e5edf1397ce0af9cfa368a66290e9169a2d62220c98dba9faeee7c4

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 01:40

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General

Target

4a04fe4a9be66f26bef05ceb177de48d.exe
Size

610KB
MD5

4a04fe4a9be66f26bef05ceb177de48d
SHA1

0cdfe8a77ca10163240798d6e261063699b53e1a
SHA256

2481bd510e5edf1397ce0af9cfa368a66290e9169a2d62220c98dba9faeee7c4
SHA512

e5b83647d65c50aa8b394e6face80f43a02ac152f65e646364a2d0a0e84f6f9e019a5405d5bd764ba6447074ec5f05ddd58d184bc0c7ea0d1c0ceaf7ca8cae1b
SSDEEP

12288:gmhxmn2q71ZgFnInolEjrJkO7D911mzGUIL4RbEy4rrMX5OLe5E+:gmhoJ71qFnIolEjrJV7DfUyPLMEXrMXz

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2736	cccabfhfij.exe

Loads dropped DLL 10 IoCs

pid	Process
2856	4a04fe4a9be66f26bef05ceb177de48d.exe
2856	4a04fe4a9be66f26bef05ceb177de48d.exe
2856	4a04fe4a9be66f26bef05ceb177de48d.exe
772	WerFault.exe
772	WerFault.exe
772	WerFault.exe
772	WerFault.exe
772	WerFault.exe
772	WerFault.exe
772	WerFault.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
772	2736	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2588	wmic.exe
Token: SeSecurityPrivilege	2588	wmic.exe
Token: SeTakeOwnershipPrivilege	2588	wmic.exe
Token: SeLoadDriverPrivilege	2588	wmic.exe
Token: SeSystemProfilePrivilege	2588	wmic.exe
Token: SeSystemtimePrivilege	2588	wmic.exe
Token: SeProfSingleProcessPrivilege	2588	wmic.exe
Token: SeIncBasePriorityPrivilege	2588	wmic.exe
Token: SeCreatePagefilePrivilege	2588	wmic.exe
Token: SeBackupPrivilege	2588	wmic.exe
Token: SeRestorePrivilege	2588	wmic.exe
Token: SeShutdownPrivilege	2588	wmic.exe
Token: SeDebugPrivilege	2588	wmic.exe
Token: SeSystemEnvironmentPrivilege	2588	wmic.exe
Token: SeRemoteShutdownPrivilege	2588	wmic.exe
Token: SeUndockPrivilege	2588	wmic.exe
Token: SeManageVolumePrivilege	2588	wmic.exe
Token: 33	2588	wmic.exe
Token: 34	2588	wmic.exe
Token: 35	2588	wmic.exe
Token: SeIncreaseQuotaPrivilege	2588	wmic.exe
Token: SeSecurityPrivilege	2588	wmic.exe
Token: SeTakeOwnershipPrivilege	2588	wmic.exe
Token: SeLoadDriverPrivilege	2588	wmic.exe
Token: SeSystemProfilePrivilege	2588	wmic.exe
Token: SeSystemtimePrivilege	2588	wmic.exe
Token: SeProfSingleProcessPrivilege	2588	wmic.exe
Token: SeIncBasePriorityPrivilege	2588	wmic.exe
Token: SeCreatePagefilePrivilege	2588	wmic.exe
Token: SeBackupPrivilege	2588	wmic.exe
Token: SeRestorePrivilege	2588	wmic.exe
Token: SeShutdownPrivilege	2588	wmic.exe
Token: SeDebugPrivilege	2588	wmic.exe
Token: SeSystemEnvironmentPrivilege	2588	wmic.exe
Token: SeRemoteShutdownPrivilege	2588	wmic.exe
Token: SeUndockPrivilege	2588	wmic.exe
Token: SeManageVolumePrivilege	2588	wmic.exe
Token: 33	2588	wmic.exe
Token: 34	2588	wmic.exe
Token: 35	2588	wmic.exe
Token: SeIncreaseQuotaPrivilege	2752	wmic.exe
Token: SeSecurityPrivilege	2752	wmic.exe
Token: SeTakeOwnershipPrivilege	2752	wmic.exe
Token: SeLoadDriverPrivilege	2752	wmic.exe
Token: SeSystemProfilePrivilege	2752	wmic.exe
Token: SeSystemtimePrivilege	2752	wmic.exe
Token: SeProfSingleProcessPrivilege	2752	wmic.exe
Token: SeIncBasePriorityPrivilege	2752	wmic.exe
Token: SeCreatePagefilePrivilege	2752	wmic.exe
Token: SeBackupPrivilege	2752	wmic.exe
Token: SeRestorePrivilege	2752	wmic.exe
Token: SeShutdownPrivilege	2752	wmic.exe
Token: SeDebugPrivilege	2752	wmic.exe
Token: SeSystemEnvironmentPrivilege	2752	wmic.exe
Token: SeRemoteShutdownPrivilege	2752	wmic.exe
Token: SeUndockPrivilege	2752	wmic.exe
Token: SeManageVolumePrivilege	2752	wmic.exe
Token: 33	2752	wmic.exe
Token: 34	2752	wmic.exe
Token: 35	2752	wmic.exe
Token: SeIncreaseQuotaPrivilege	2600	wmic.exe
Token: SeSecurityPrivilege	2600	wmic.exe
Token: SeTakeOwnershipPrivilege	2600	wmic.exe
Token: SeLoadDriverPrivilege	2600	wmic.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2856 wrote to memory of 2736	2856	4a04fe4a9be66f26bef05ceb177de48d.exe	28
PID 2736 wrote to memory of 2588	2736	cccabfhfij.exe	29
PID 2736 wrote to memory of 2588	2736	cccabfhfij.exe	29
PID 2736 wrote to memory of 2588	2736	cccabfhfij.exe	29
PID 2736 wrote to memory of 2588	2736	cccabfhfij.exe	29
PID 2736 wrote to memory of 2752	2736	cccabfhfij.exe	32
PID 2736 wrote to memory of 2752	2736	cccabfhfij.exe	32
PID 2736 wrote to memory of 2752	2736	cccabfhfij.exe	32
PID 2736 wrote to memory of 2752	2736	cccabfhfij.exe	32
PID 2736 wrote to memory of 2600	2736	cccabfhfij.exe	34
PID 2736 wrote to memory of 2600	2736	cccabfhfij.exe	34
PID 2736 wrote to memory of 2600	2736	cccabfhfij.exe	34
PID 2736 wrote to memory of 2600	2736	cccabfhfij.exe	34
PID 2736 wrote to memory of 3068	2736	cccabfhfij.exe	36
PID 2736 wrote to memory of 3068	2736	cccabfhfij.exe	36
PID 2736 wrote to memory of 3068	2736	cccabfhfij.exe	36
PID 2736 wrote to memory of 3068	2736	cccabfhfij.exe	36
PID 2736 wrote to memory of 524	2736	cccabfhfij.exe	38
PID 2736 wrote to memory of 524	2736	cccabfhfij.exe	38
PID 2736 wrote to memory of 524	2736	cccabfhfij.exe	38
PID 2736 wrote to memory of 524	2736	cccabfhfij.exe	38
PID 2736 wrote to memory of 772	2736	cccabfhfij.exe	40
PID 2736 wrote to memory of 772	2736	cccabfhfij.exe	40
PID 2736 wrote to memory of 772	2736	cccabfhfij.exe	40
PID 2736 wrote to memory of 772	2736	cccabfhfij.exe	40

C:\Users\Admin\AppData\Local\Temp\4a04fe4a9be66f26bef05ceb177de48d.exe
"C:\Users\Admin\AppData\Local\Temp\4a04fe4a9be66f26bef05ceb177de48d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\cccabfhfij.exe
  C:\Users\Admin\AppData\Local\Temp\cccabfhfij.exe 2-3-9-7-5-7-8-3-1-3-6 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
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81703646513.txt bios get serialnumber
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2588
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81703646513.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81703646513.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2600
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81703646513.txt bios get version
    3⤵
    PID:3068
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\81703646513.txt bios get version
    3⤵
    PID:524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 372
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\81703646513.txt

Filesize
66B

MD5
9025468f85256136f923096b01375964

SHA1
7fcd174999661594fa5f88890ffb195e9858cc52

SHA256
d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

SHA512
92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

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\Users\Admin\AppData\Local\Temp\cccabfhfij.exe

Filesize
864KB

MD5
b4793e92dfcd77b9494889e92681dfca

SHA1
a9c8d26c7e61186ce5b5a1a7fc6a86c109d831fa

SHA256
d15d63bc427f4da03c096c8c0b5fd10b2b1f71baeddab0dc9ef4e24417ccdf9a

SHA512
94bcbcdf151b21021ce90434a2c12e18b32d73577ee0ffa21aa64c7478788ee31e4c4e09335d6cb7486c98fab6673b6b94f35da2e70b89bf8bfb29ab0defda49

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\Users\Admin\AppData\Local\Temp\nsy6DD1.tmp\7tm.dll

Filesize
121KB

MD5
b7c88041bb05a8b5e5fe4336b4554fad

SHA1
9000e6b54e86245ae1fbc259563e0f514ed5b434

SHA256
d8039d7364def8247da83b5b3d824a72096ddaa0a585881902e238093056ea83

SHA512
2aadf59392888801100bac11b5e4c0c67244624a38eba0007112bb9fe61d0ec61183154ee4e99e2af5389704462665a55fa1b2a539d6cd2fb1c5b7fd438f4b96

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\Users\Admin\AppData\Local\Temp\nsy6DD1.tmp\nsisunz.dll

Filesize
40KB

MD5
5f13dbc378792f23e598079fc1e4422b

SHA1
5813c05802f15930aa860b8363af2b58426c8adf

SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5

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