0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c

Analysis

max time kernel
91s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/04/2023, 05:39

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General

Target

0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe
Size

700KB
MD5

a60c651df93b4187b6b8790f4af1c56a
SHA1

7545a23dffafbaa8914c81cdfba371da192ffc3e
SHA256

0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c
SHA512

41dfb7b303c8641c0829d613696a034819ec80d143dc3a7a05d81261b05ff093cb99d75ebef72add35c562d3e99d4a38c1358b85e47070b6246646aeebf5eccb
SSDEEP

12288:Vy90+6URh9O71tjn/Oi6koWOoyb7efvLFXbrCG2To9w1DClFDDXyPdxj:Vyd6Uqnn7r7WYpiGDwNOF2xj

Score

10^/10

discovery evasion persistence spyware stealer trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	40249885.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	40249885.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	40249885.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	40249885.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	40249885.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	40249885.exe

Executes dropped EXE 4 IoCs

pid	Process
4772	un087680.exe
4220	40249885.exe
64	rk878885.exe
4436	si797154.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	40249885.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	40249885.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un087680.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	un087680.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2148	4220	WerFault.exe	84
4312	64	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4220	40249885.exe
4220	40249885.exe
64	rk878885.exe
64	rk878885.exe
4436	si797154.exe
4436	si797154.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4220	40249885.exe
Token: SeDebugPrivilege	64	rk878885.exe
Token: SeDebugPrivilege	4436	si797154.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4772	4460	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe	83
PID 4460 wrote to memory of 4772	4460	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe	83
PID 4460 wrote to memory of 4772	4460	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe	83
PID 4772 wrote to memory of 4220	4772	un087680.exe	84
PID 4772 wrote to memory of 4220	4772	un087680.exe	84
PID 4772 wrote to memory of 4220	4772	un087680.exe	84
PID 4772 wrote to memory of 64	4772	un087680.exe	90
PID 4772 wrote to memory of 64	4772	un087680.exe	90
PID 4772 wrote to memory of 64	4772	un087680.exe	90
PID 4460 wrote to memory of 4436	4460	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe	93
PID 4460 wrote to memory of 4436	4460	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe	93
PID 4460 wrote to memory of 4436	4460	0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe	93

C:\Users\Admin\AppData\Local\Temp\0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe
"C:\Users\Admin\AppData\Local\Temp\0591cb0e4761ae3525cd71579378ee757411f1279205e8ca2ec48604cc59a97c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un087680.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un087680.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4772
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40249885.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40249885.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1088
      4⤵
      Program crash
      PID:2148
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk878885.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk878885.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:64
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 1292
      4⤵
      Program crash
      PID:4312
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si797154.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si797154.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4220 -ip 4220
1⤵
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 64 -ip 64
1⤵
PID:2148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si797154.exe

Filesize
136KB

MD5
b9f17cc95395f13838ba119abc3f742f

SHA1
ecdbc7ef78234c1c7009fdbc6f744c511067767d

SHA256
2e10845ea49bdd31991f80c88db940340e9f65c22eb3d1dc719e452fbcc17a15

SHA512
bf05c4b13405337bf71e69e8b751af742b24d47de2a46be74a5bb86d37e6eee099ef11d871e3514b1ee9c9458c1ac8127b6858eaae04dfced284d1ec87e34bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si797154.exe

Filesize
136KB

MD5
b9f17cc95395f13838ba119abc3f742f

SHA1
ecdbc7ef78234c1c7009fdbc6f744c511067767d

SHA256
2e10845ea49bdd31991f80c88db940340e9f65c22eb3d1dc719e452fbcc17a15

SHA512
bf05c4b13405337bf71e69e8b751af742b24d47de2a46be74a5bb86d37e6eee099ef11d871e3514b1ee9c9458c1ac8127b6858eaae04dfced284d1ec87e34bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un087680.exe

Filesize
546KB

MD5
e4f526ac78acce025e91e89f0913e4df

SHA1
d598a9c5693ad6284deea5a353b309268f4aedca

SHA256
9c365e488d620886b59f5c2373561697bdc1f8a92519bf1258a674d7ee1e238b

SHA512
3b46bcdefefeec9d9f1034d763f594582c378fb040322507f281d52c437f029286fe38b79797caf26f97814b0128f915f5ef340e2064dccdbab8b08868d9d9ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un087680.exe

Filesize
546KB

MD5
e4f526ac78acce025e91e89f0913e4df

SHA1
d598a9c5693ad6284deea5a353b309268f4aedca

SHA256
9c365e488d620886b59f5c2373561697bdc1f8a92519bf1258a674d7ee1e238b

SHA512
3b46bcdefefeec9d9f1034d763f594582c378fb040322507f281d52c437f029286fe38b79797caf26f97814b0128f915f5ef340e2064dccdbab8b08868d9d9ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40249885.exe

Filesize
269KB

MD5
a7410f4fbb06094be68e707554b0e1ce

SHA1
42d901b3c5778f5f4422666260238c2eb812e73f

SHA256
e2172460893bcd1ce2d12aa0b721b4c09b5c5dceaefa503fe2367cfcc8648e47

SHA512
d743be49c02b95842fb804952266da654de0b31a7936a0c025b1cc061444f7649d59ba2c586c41f9200a5833cb837b16187afa5763df85c2b2ec84aad3fb35d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\40249885.exe

Filesize
269KB

MD5
a7410f4fbb06094be68e707554b0e1ce

SHA1
42d901b3c5778f5f4422666260238c2eb812e73f

SHA256
e2172460893bcd1ce2d12aa0b721b4c09b5c5dceaefa503fe2367cfcc8648e47

SHA512
d743be49c02b95842fb804952266da654de0b31a7936a0c025b1cc061444f7649d59ba2c586c41f9200a5833cb837b16187afa5763df85c2b2ec84aad3fb35d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk878885.exe

Filesize
353KB

MD5
0d66112775fe549d096c2a9b3130eb52

SHA1
b756427c38a22966a9a9b672af0289109ae44e80

SHA256
0fb1f85e4fc6ec73df5fd2750c82f4705d6ba5e53ca4f7557dc8167bf1b7d098

SHA512
e9d192ff9356e1d830c4902f128b4e4cf628fda4b28b4b71629f70af05464b9e132efe4ce0fa45b8f2f6ff49e350587a1e598e2f1eebdcef95c5ec9b99b9087d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk878885.exe

Filesize
353KB

MD5
0d66112775fe549d096c2a9b3130eb52

SHA1
b756427c38a22966a9a9b672af0289109ae44e80

SHA256
0fb1f85e4fc6ec73df5fd2750c82f4705d6ba5e53ca4f7557dc8167bf1b7d098

SHA512
e9d192ff9356e1d830c4902f128b4e4cf628fda4b28b4b71629f70af05464b9e132efe4ce0fa45b8f2f6ff49e350587a1e598e2f1eebdcef95c5ec9b99b9087d

Download Submit
memory/64-982-0x0000000009C90000-0x000000000A2A8000-memory.dmp

Filesize
6.1MB

Download
memory/64-983-0x000000000A310000-0x000000000A322000-memory.dmp

Filesize
72KB

Download
memory/64-993-0x000000000B3D0000-0x000000000B8FC000-memory.dmp

Filesize
5.2MB

Download
memory/64-992-0x000000000B200000-0x000000000B3C2000-memory.dmp

Filesize
1.8MB

Download
memory/64-991-0x000000000AFF0000-0x000000000B00E000-memory.dmp

Filesize
120KB

Download
memory/64-990-0x000000000AF30000-0x000000000AFA6000-memory.dmp

Filesize
472KB

Download
memory/64-989-0x000000000AEC0000-0x000000000AF10000-memory.dmp

Filesize
320KB

Download
memory/64-988-0x000000000AE10000-0x000000000AEA2000-memory.dmp

Filesize
584KB

Download
memory/64-987-0x000000000A750000-0x000000000A7B6000-memory.dmp

Filesize
408KB

Download
memory/64-986-0x00000000071D0000-0x00000000071E0000-memory.dmp

Filesize
64KB

Download
memory/64-985-0x000000000A450000-0x000000000A48C000-memory.dmp

Filesize
240KB

Download
memory/64-984-0x000000000A330000-0x000000000A43A000-memory.dmp

Filesize
1.0MB

Download
memory/64-223-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-221-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-219-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-217-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-215-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-209-0x00000000071D0000-0x00000000071E0000-memory.dmp

Filesize
64KB

Download
memory/64-187-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-186-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-189-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-191-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-193-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-195-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-197-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-199-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-201-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-204-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-203-0x0000000002BC0000-0x0000000002C06000-memory.dmp

Filesize
280KB

Download
memory/64-207-0x00000000071D0000-0x00000000071E0000-memory.dmp

Filesize
64KB

Download
memory/64-208-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-205-0x00000000071D0000-0x00000000071E0000-memory.dmp

Filesize
64KB

Download
memory/64-211-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/64-213-0x0000000007790000-0x00000000077C5000-memory.dmp

Filesize
212KB

Download
memory/4220-170-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-168-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-181-0x0000000000400000-0x0000000002B9E000-memory.dmp

Filesize
39.6MB

Download
memory/4220-179-0x0000000000400000-0x0000000002B9E000-memory.dmp

Filesize
39.6MB

Download
memory/4220-178-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-176-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-150-0x00000000071C0000-0x0000000007764000-memory.dmp

Filesize
5.6MB

Download
memory/4220-154-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-174-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-166-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-152-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-151-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-172-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-164-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-162-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-160-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-158-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-156-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4220-149-0x0000000002F60000-0x0000000002F70000-memory.dmp

Filesize
64KB

Download
memory/4220-148-0x0000000002C70000-0x0000000002C9D000-memory.dmp

Filesize
180KB

Download
memory/4436-1000-0x0000000000750000-0x0000000000778000-memory.dmp

Filesize
160KB

Download
memory/4436-1001-0x0000000007530000-0x0000000007540000-memory.dmp

Filesize
64KB

Download