ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf

Analysis

max time kernel
231s
max time network
258s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 11:05

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General

Target

ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
Size

469KB
MD5

8627fc6cc9751ba357c58b33c0abd4e5
SHA1

d1c53654dfe2a9b4f2ff4c75c7286dcda68dffa6
SHA256

ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf
SHA512

cc42d8789f6a1d773a4900a52968bb82e84264cd5974efef5f2e984fea803c94730d73cf7f397addf94faf89d173cfe1f14ef1da2141fdaced6dce0b178122fa
SSDEEP

12288:+K2mhAMJ/cPliGPAUnwl0LDU5VBKYhtKymQaQ9X7a+MI:v2O/GliY7L45VXhhmuXx

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options	regini.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe	regini.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe\Debugger = "C:\\WINDOWS\\system32\\dllcache\\bysethc.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe	regini.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options	regini.exe

Sets file to hidden 1 TTPs 4 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
1492	attrib.exe
2424	attrib.exe
2864	attrib.exe
2928	attrib.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000900000002319c-138.dat	upx
behavioral2/files/0x000300000002264f-140.dat	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sethc.exe	attrib.exe
File created	C:\Windows\SysWOW64\set.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\set.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\set.exe	attrib.exe
File opened for modification	C:\Windows\SysWOW64\sethc.exe	attrib.exe
File created	C:\Windows\SysWOW64\dllcache\bysethc.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\sethc.exe	cmd.exe
File created	C:\Windows\SysWOW64\sethc.exe	cmd.exe
File created	C:\Windows\SysWOW64\dllcache\sethc.exe	cmd.exe

Drops file in Program Files directory 11 IoCs

description	ioc	Process
File created	C:\Program Files\reg.txt	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File opened for modification	C:\Program Files\1.exe	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File created	C:\Program Files\On.reg	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File opened for modification	C:\Program Files\On.reg	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File opened for modification	C:\Program Files\reg.txt	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File created	C:\Program Files\__tmp_rar_sfx_access_check_240656390	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File created	C:\Program Files\install.bat	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File opened for modification	C:\Program Files\install.bat	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File created	C:\Program Files\jiereg.txt	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File opened for modification	C:\Program Files\jiereg.txt	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
File created	C:\Program Files\1.exe	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe

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

System Information Discovery
T1082

Runs .reg file with regedit 1 IoCs

pid	Process
2460	regedit.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 1936	1420	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe	81
PID 1420 wrote to memory of 1936	1420	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe	81
PID 1420 wrote to memory of 1936	1420	ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe	81
PID 1936 wrote to memory of 5060	1936	cmd.exe	85
PID 1936 wrote to memory of 5060	1936	cmd.exe	85
PID 1936 wrote to memory of 5060	1936	cmd.exe	85
PID 1936 wrote to memory of 2180	1936	cmd.exe	86
PID 1936 wrote to memory of 2180	1936	cmd.exe	86
PID 1936 wrote to memory of 2180	1936	cmd.exe	86
PID 1936 wrote to memory of 3620	1936	cmd.exe	87
PID 1936 wrote to memory of 3620	1936	cmd.exe	87
PID 1936 wrote to memory of 3620	1936	cmd.exe	87
PID 1936 wrote to memory of 3104	1936	cmd.exe	88
PID 1936 wrote to memory of 3104	1936	cmd.exe	88
PID 1936 wrote to memory of 3104	1936	cmd.exe	88
PID 1936 wrote to memory of 2928	1936	cmd.exe	89
PID 1936 wrote to memory of 2928	1936	cmd.exe	89
PID 1936 wrote to memory of 2928	1936	cmd.exe	89
PID 1936 wrote to memory of 1492	1936	cmd.exe	90
PID 1936 wrote to memory of 1492	1936	cmd.exe	90
PID 1936 wrote to memory of 1492	1936	cmd.exe	90
PID 1936 wrote to memory of 2424	1936	cmd.exe	91
PID 1936 wrote to memory of 2424	1936	cmd.exe	91
PID 1936 wrote to memory of 2424	1936	cmd.exe	91
PID 1936 wrote to memory of 2864	1936	cmd.exe	92
PID 1936 wrote to memory of 2864	1936	cmd.exe	92
PID 1936 wrote to memory of 2864	1936	cmd.exe	92
PID 1936 wrote to memory of 3472	1936	cmd.exe	93
PID 1936 wrote to memory of 3472	1936	cmd.exe	93
PID 1936 wrote to memory of 3472	1936	cmd.exe	93
PID 1936 wrote to memory of 420	1936	cmd.exe	94
PID 1936 wrote to memory of 420	1936	cmd.exe	94
PID 1936 wrote to memory of 420	1936	cmd.exe	94
PID 1936 wrote to memory of 4888	1936	cmd.exe	95
PID 1936 wrote to memory of 4888	1936	cmd.exe	95
PID 1936 wrote to memory of 4888	1936	cmd.exe	95
PID 1936 wrote to memory of 2388	1936	cmd.exe	96
PID 1936 wrote to memory of 2388	1936	cmd.exe	96
PID 1936 wrote to memory of 2388	1936	cmd.exe	96
PID 1936 wrote to memory of 2948	1936	cmd.exe	97
PID 1936 wrote to memory of 2948	1936	cmd.exe	97
PID 1936 wrote to memory of 2948	1936	cmd.exe	97
PID 1936 wrote to memory of 4076	1936	cmd.exe	98
PID 1936 wrote to memory of 4076	1936	cmd.exe	98
PID 1936 wrote to memory of 4076	1936	cmd.exe	98
PID 1936 wrote to memory of 2900	1936	cmd.exe	99
PID 1936 wrote to memory of 2900	1936	cmd.exe	99
PID 1936 wrote to memory of 2900	1936	cmd.exe	99
PID 1936 wrote to memory of 3496	1936	cmd.exe	100
PID 1936 wrote to memory of 3496	1936	cmd.exe	100
PID 1936 wrote to memory of 3496	1936	cmd.exe	100
PID 1936 wrote to memory of 4352	1936	cmd.exe	101
PID 1936 wrote to memory of 4352	1936	cmd.exe	101
PID 1936 wrote to memory of 4352	1936	cmd.exe	101
PID 1936 wrote to memory of 2756	1936	cmd.exe	102
PID 1936 wrote to memory of 2756	1936	cmd.exe	102
PID 1936 wrote to memory of 2756	1936	cmd.exe	102
PID 1936 wrote to memory of 2668	1936	cmd.exe	103
PID 1936 wrote to memory of 2668	1936	cmd.exe	103
PID 1936 wrote to memory of 2668	1936	cmd.exe	103
PID 1936 wrote to memory of 2596	1936	cmd.exe	104
PID 1936 wrote to memory of 2596	1936	cmd.exe	104
PID 1936 wrote to memory of 2596	1936	cmd.exe	104
PID 1936 wrote to memory of 3664	1936	cmd.exe	105

Views/modifies file attributes 1 TTPs 8 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1492	attrib.exe
2424	attrib.exe
2864	attrib.exe
5060	attrib.exe
2180	attrib.exe
3620	attrib.exe
3104	attrib.exe
2928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe
"C:\Users\Admin\AppData\Local\Temp\ba3b57c32809e4e7feacc3850b21196d444de83bc041129bf6c06e28beb82dcf.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files\install.bat" "
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -a -h -r C:\Windows\system32\set.exe
    3⤵
    - Views/modifies file attributes
    PID:5060
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -a -h -r C:\Windows\system32\sethc.exe
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:2180
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -a -h -r C:\Windows\system32\dllcache\sethc.exe
    3⤵
    - Views/modifies file attributes
    PID:3620
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -a -h -r C:\Windows\system32\dllcache\bysethc.exe
    3⤵
    - Views/modifies file attributes
    PID:3104
- - C:\Windows\SysWOW64\attrib.exe
    attrib +s +a +h +r C:\Windows\system32\set.exe
    3⤵
    - Sets file to hidden
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:2928
- - C:\Windows\SysWOW64\attrib.exe
    attrib +s +a +h +r C:\Windows\system32\sethc.exe
    3⤵
    - Sets file to hidden
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:1492
- - C:\Windows\SysWOW64\attrib.exe
    attrib +s +a +h +r C:\Windows\system32\dllcache\sethc.exe
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2424
- - C:\Windows\SysWOW64\attrib.exe
    attrib +s +a +h +r C:\Windows\system32\dllcache\bysethc.exe
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2864
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\set.exe /T /E /C /R guest
    3⤵
    PID:3472
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\set.exe /T /E /C /R administrator
    3⤵
    PID:420
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\set.exe /T /E /C /R administrators
    3⤵
    PID:4888
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\set.exe /T /E /C /R everyone
    3⤵
    PID:2388
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\set.exe /T /E /C /R users
    3⤵
    PID:2948
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\set.exe /T /E /C /P SYSTEM:R
    3⤵
    PID:4076
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\sethc.exe /T /E /C /R guest
    3⤵
    PID:2900
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\sethc.exe /T /E /C /R administrator
    3⤵
    PID:3496
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\sethc.exe /T /E /C /R administrators
    3⤵
    PID:4352
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\sethc.exe /T /E /C /R everyone
    3⤵
    PID:2756
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\sethc.exe /T /E /C /R users
    3⤵
    PID:2668
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\sethc.exe /T /E /C /P SYSTEM:R
    3⤵
    PID:2596
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcach\bysethc.exe /T /E /C /R guest
    3⤵
    PID:3664
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcach\bysethc.exe /T /E /C /R administrator
    3⤵
    PID:1608
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcach\bysethc.exe /T /E /C /R administrators
    3⤵
    PID:1656
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcach\bysethc.exe /T /E /C /R everyone
    3⤵
    PID:2120
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcach\bysethc.exe /T /E /C /R users
    3⤵
    PID:2096
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\bysethc.exe /T /E /C /P SYSTEM:R
    3⤵
    PID:3992
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\sethc.exe /T /E /C /R guest
    3⤵
    PID:4324
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\sethc.exe /T /E /C /R administrator
    3⤵
    PID:2816
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\sethc.exe /T /E /C /R administrators
    3⤵
    PID:3260
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\sethc.exe /T /E /C /R everyone
    3⤵
    PID:4044
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\sethc.exe /T /E /C /R users
    3⤵
    PID:5084
- - C:\Windows\SysWOW64\cacls.exe
    CACLS C:\Windows\system32\dllcache\sethc.exe /T /E /C /P SYSTEM:R
    3⤵
    PID:3228
- - C:\Windows\SysWOW64\regini.exe
    regini.exe jiereg.txt
    3⤵
    - Sets file execution options in registry
    PID:4368
- - C:\Windows\SysWOW64\regedit.exe
    regedit -s On.reg
    3⤵
    - Sets file execution options in registry
    - Runs .reg file with regedit
    PID:2460
- - C:\Windows\SysWOW64\regini.exe
    regini.exe reg.txt
    3⤵
    - Sets file execution options in registry
    PID:1256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\1.exe

Filesize
497KB

MD5
620157194195bc8b57dc71bc961b00a5

SHA1
902751f4b1db8c65b679b2c46a9dff804d5de392

SHA256
a784a20126c179a36ebabe53f7ce8027ce21daf8644815b379c4b3c0df040e4d

SHA512
12badcadf3078bf689a751894d91870d38d04e2e48f2e155480fd9cd36f21b06c1a0c39f0f3424c537b4aaa5c0613f61ecc2855ca87838a6223f4740d57fa12c

Download Submit
C:\Program Files\On.reg

Filesize
626B

MD5
7056d9c10ea87cc69ca95b421835c48d

SHA1
a04278f068f2622bc9a4097cdfef3c8e3b9064ea

SHA256
7e2f8884bb655d15bfbf233e369f143312ff6cf9ae1ddff10fccde8034386284

SHA512
3422d70dd8ee618242dac28d85970b34df1c52a5276d0016ee95ade3dd907d9b80a2f0abcc2a9dbff9424cdecc63f24636ebb4f584e573ad39939dc8b96d81c3

Download Submit
C:\Program Files\install.bat

Filesize
2KB

MD5
5057f184d686da7d7bb12801d3a60880

SHA1
2ea744e032f344444fd62edee1a06a2a86124a89

SHA256
f6ce0584e1c0409dd638d381cb4813f4da6b6e61d1a457aa766abd46eda36d8a

SHA512
1d2b2026caacbf823a1f2452a9b18b7695dbc95588e3d2409c364b6a084aca4ece9340c22d0143806ec203269cbcee11fd982b8d90ddf21a18a89c751e1abd7e

Download Submit
C:\Program Files\jiereg.txt

Filesize
208B

MD5
1732d1e27f0611f60c629087f453c6e0

SHA1
de4f43d076d56ad0cb2cb869dce24b21a3c5b1b9

SHA256
df144685261ca1c992fc98c3b94f413f79df26440baaec4aa824be0b2e685881

SHA512
f2c4447af0d7a19fc5912b55962c33c6ad4a5a3adcd2ac193ebdcf36d071f7da946b022c844932f128909e494ccdfbcfaecdee4f9ae7eea0357b22155298f857

Download Submit
C:\Program Files\reg.txt

Filesize
208B

MD5
0dd6bd889f567b385ddfedfaf99f5353

SHA1
6fc7fcf69b175f4931aa28b41fc6eb553daff05e

SHA256
e3a7c3a3fd3ca62c9a20cb9be6d43ccc59c1c8355cd56e40db3c0743a02abe32

SHA512
97234901bb558ef021375e93d0a5d5666309e5ab1c00ea44c60ba5c6a80c99b3955303194e1d02a6b58ba4afb2f36ef6ecf42f1b0c941bc2e4bba43202fb506b

Download Submit
C:\Windows\SysWOW64\set.exe

Filesize
497KB

MD5
620157194195bc8b57dc71bc961b00a5

SHA1
902751f4b1db8c65b679b2c46a9dff804d5de392

SHA256
a784a20126c179a36ebabe53f7ce8027ce21daf8644815b379c4b3c0df040e4d

SHA512
12badcadf3078bf689a751894d91870d38d04e2e48f2e155480fd9cd36f21b06c1a0c39f0f3424c537b4aaa5c0613f61ecc2855ca87838a6223f4740d57fa12c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads