f18bd979ea4eb2d374bef76270bc02ac31955bd421b911864ded3b2ccae2fb20

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02-02-2024 12:01

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General

Target

89753d8050a2a41c24f85dd57b0a5a72.exe
Size

262KB
MD5

89753d8050a2a41c24f85dd57b0a5a72
SHA1

8cb52e457c31bd78c157e7305941135c0db4294f
SHA256

f18bd979ea4eb2d374bef76270bc02ac31955bd421b911864ded3b2ccae2fb20
SHA512

dc788a715ba4b0ee4cf8450c7ee1e93d3b8b7cf10bb6968c62f7cce141e3bbe63c18feae29f52e590d3b2c27fdc0fc23544de1785b0bd980c882a4742c885230
SSDEEP

6144:iS8Gp+df0afmVTRMd/dpn94sLrNXel9Ab98+MA7U:F8YkfXf4TRMx94svNuzAb9ZC

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	noki.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	89753d8050a2a41c24f85dd57b0a5a72.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\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\{6CF0A0C8-CEE0-AD4E-46DF-EAE75CAEC9FA} = "C:\\Users\\Admin\\AppData\\Roaming\\Ytawmo\\noki.exe"	noki.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29

Program crash 2 IoCs

pid	pid_target	Process	procid_target
844	2236	WerFault.exe	29
2312	844	WerFault.exe	31

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	89753d8050a2a41c24f85dd57b0a5a72.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Privacy	89753d8050a2a41c24f85dd57b0a5a72.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe
2376	noki.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1932	89753d8050a2a41c24f85dd57b0a5a72.exe
Token: SeSecurityPrivilege	1932	89753d8050a2a41c24f85dd57b0a5a72.exe
Token: SeSecurityPrivilege	1932	89753d8050a2a41c24f85dd57b0a5a72.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1932	89753d8050a2a41c24f85dd57b0a5a72.exe
2376	noki.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2376	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	28
PID 1932 wrote to memory of 2376	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	28
PID 1932 wrote to memory of 2376	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	28
PID 1932 wrote to memory of 2376	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	28
PID 2376 wrote to memory of 1108	2376	noki.exe	8
PID 2376 wrote to memory of 1108	2376	noki.exe	8
PID 2376 wrote to memory of 1108	2376	noki.exe	8
PID 2376 wrote to memory of 1108	2376	noki.exe	8
PID 2376 wrote to memory of 1108	2376	noki.exe	8
PID 2376 wrote to memory of 1172	2376	noki.exe	7
PID 2376 wrote to memory of 1172	2376	noki.exe	7
PID 2376 wrote to memory of 1172	2376	noki.exe	7
PID 2376 wrote to memory of 1172	2376	noki.exe	7
PID 2376 wrote to memory of 1172	2376	noki.exe	7
PID 2376 wrote to memory of 1208	2376	noki.exe	6
PID 2376 wrote to memory of 1208	2376	noki.exe	6
PID 2376 wrote to memory of 1208	2376	noki.exe	6
PID 2376 wrote to memory of 1208	2376	noki.exe	6
PID 2376 wrote to memory of 1208	2376	noki.exe	6
PID 2376 wrote to memory of 544	2376	noki.exe	4
PID 2376 wrote to memory of 544	2376	noki.exe	4
PID 2376 wrote to memory of 544	2376	noki.exe	4
PID 2376 wrote to memory of 544	2376	noki.exe	4
PID 2376 wrote to memory of 544	2376	noki.exe	4
PID 2376 wrote to memory of 1932	2376	noki.exe	27
PID 2376 wrote to memory of 1932	2376	noki.exe	27
PID 2376 wrote to memory of 1932	2376	noki.exe	27
PID 2376 wrote to memory of 1932	2376	noki.exe	27
PID 2376 wrote to memory of 1932	2376	noki.exe	27
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 1932 wrote to memory of 2236	1932	89753d8050a2a41c24f85dd57b0a5a72.exe	29
PID 2236 wrote to memory of 844	2236	cmd.exe	31
PID 2236 wrote to memory of 844	2236	cmd.exe	31
PID 2236 wrote to memory of 844	2236	cmd.exe	31
PID 2236 wrote to memory of 844	2236	cmd.exe	31
PID 2376 wrote to memory of 1624	2376	noki.exe	30
PID 2376 wrote to memory of 1624	2376	noki.exe	30
PID 2376 wrote to memory of 1624	2376	noki.exe	30
PID 2376 wrote to memory of 1624	2376	noki.exe	30
PID 2376 wrote to memory of 1624	2376	noki.exe	30
PID 2376 wrote to memory of 844	2376	noki.exe	31
PID 2376 wrote to memory of 844	2376	noki.exe	31
PID 2376 wrote to memory of 844	2376	noki.exe	31
PID 2376 wrote to memory of 844	2376	noki.exe	31
PID 2376 wrote to memory of 844	2376	noki.exe	31
PID 844 wrote to memory of 2312	844	WerFault.exe	32
PID 844 wrote to memory of 2312	844	WerFault.exe	32
PID 844 wrote to memory of 2312	844	WerFault.exe	32
PID 844 wrote to memory of 2312	844	WerFault.exe	32

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\89753d8050a2a41c24f85dd57b0a5a72.exe
  "C:\Users\Admin\AppData\Local\Temp\89753d8050a2a41c24f85dd57b0a5a72.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Users\Admin\AppData\Roaming\Ytawmo\noki.exe
    "C:\Users\Admin\AppData\Roaming\Ytawmo\noki.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2376
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpceda3d41.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 116
      4⤵
      Program crash
      Suspicious use of WriteProcessMemory
      PID:844
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 536
        5⤵
        Program crash
        
        PID:2312

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-1033111552-42320358-1725152531802477302890655629-1141367883-1312066316-952559566"
1⤵
PID:1624

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Ejym\kaumi.jal

Filesize
366B

MD5
34a9c8b2b34b6ef36871fab4537d5ce8

SHA1
121ff7e7531589a273a4be0088312b3158ee3372

SHA256
fa85de9a407c9a3f20a66528ec949ce645c8d32bd7467e3d1f2d7771b220d4e3

SHA512
84d461b44ec52a5bd40c891d27024b9c5d42727fb5908b30f4c6a95687ad1e273bbea57cdee486b654746e14691d40fb54b9232e3071dda23c8dc835af9a07bc

Download Submit
\Users\Admin\AppData\Roaming\Ytawmo\noki.exe

Filesize
262KB

MD5
b6a4799b690622afc4f13cfcc7145625

SHA1
05729973c01acece086b0a01005f6699d749e186

SHA256
357fe5456b906d51b8cf00f745f5f055678894da3b155ab76559d21a444afa59

SHA512
e6e27a5652f8fb71afea0bd98b484d5597bc402a15d4d41543b1a925390c551e87c31576e0d6d6ff39071f9220a641bdf1108a8a86368f47a75261e943f185e8

Download Submit
memory/544-49-0x0000000001E90000-0x0000000001ED1000-memory.dmp

Filesize
260KB

Download
memory/544-47-0x0000000001E90000-0x0000000001ED1000-memory.dmp

Filesize
260KB

Download
memory/544-45-0x0000000001E90000-0x0000000001ED1000-memory.dmp

Filesize
260KB

Download
memory/544-43-0x0000000001E90000-0x0000000001ED1000-memory.dmp

Filesize
260KB

Download
memory/1108-15-0x0000000001F50000-0x0000000001F91000-memory.dmp

Filesize
260KB

Download
memory/1108-20-0x0000000001F50000-0x0000000001F91000-memory.dmp

Filesize
260KB

Download
memory/1108-23-0x0000000001F50000-0x0000000001F91000-memory.dmp

Filesize
260KB

Download
memory/1108-25-0x0000000001F50000-0x0000000001F91000-memory.dmp

Filesize
260KB

Download
memory/1108-27-0x0000000001F50000-0x0000000001F91000-memory.dmp

Filesize
260KB

Download
memory/1172-32-0x0000000001CB0000-0x0000000001CF1000-memory.dmp

Filesize
260KB

Download
memory/1172-34-0x0000000001CB0000-0x0000000001CF1000-memory.dmp

Filesize
260KB

Download
memory/1172-33-0x0000000001CB0000-0x0000000001CF1000-memory.dmp

Filesize
260KB

Download
memory/1172-31-0x0000000001CB0000-0x0000000001CF1000-memory.dmp

Filesize
260KB

Download
memory/1208-40-0x0000000002150000-0x0000000002191000-memory.dmp

Filesize
260KB

Download
memory/1208-39-0x0000000002150000-0x0000000002191000-memory.dmp

Filesize
260KB

Download
memory/1208-38-0x0000000002150000-0x0000000002191000-memory.dmp

Filesize
260KB

Download
memory/1208-37-0x0000000002150000-0x0000000002191000-memory.dmp

Filesize
260KB

Download
memory/1932-68-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-65-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-179-0x0000000001EB0000-0x0000000001EF1000-memory.dmp

Filesize
260KB

Download
memory/1932-178-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1932-13-0x0000000001EB0000-0x0000000001EF5000-memory.dmp

Filesize
276KB

Download
memory/1932-1-0x0000000000380000-0x00000000003C5000-memory.dmp

Filesize
276KB

Download
memory/1932-2-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1932-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1932-3-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1932-5-0x0000000000290000-0x00000000002D1000-memory.dmp

Filesize
260KB

Download
memory/1932-4-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1932-53-0x0000000001EB0000-0x0000000001EF1000-memory.dmp

Filesize
260KB

Download
memory/1932-55-0x0000000001EB0000-0x0000000001EF1000-memory.dmp

Filesize
260KB

Download
memory/1932-57-0x0000000001EB0000-0x0000000001EF1000-memory.dmp

Filesize
260KB

Download
memory/1932-59-0x0000000001EB0000-0x0000000001EF1000-memory.dmp

Filesize
260KB

Download
memory/1932-61-0x0000000001EB0000-0x0000000001EF1000-memory.dmp

Filesize
260KB

Download
memory/1932-62-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-155-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-66-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/1932-64-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/1932-0-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1932-70-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-72-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-74-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-76-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-78-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-80-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1932-82-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2376-19-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2376-16-0x0000000001C40000-0x0000000001C85000-memory.dmp

Filesize
276KB

Download
memory/2376-18-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2376-21-0x0000000001BF0000-0x0000000001C31000-memory.dmp

Filesize
260KB

Download
memory/2376-197-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download