af2157afdb3d8390e7a8649e64a3108753f90f1c59837f8bd9895780c1e95d12

Analysis

max time kernel
417s
max time network
415s
platform
windows10-2004_x64
resource
win10v2004-20240226-ja
resource tags

arch:x64arch:x86image:win10v2004-20240226-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
06/03/2024, 21:09

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General

Target

CTFarmSetup-Dl0r1S07Eu.exe
Size

5.7MB
MD5

fbe57e7ad749b7446da15a3009c1dbda
SHA1

5fe1d65462acd362681c611ce0f832c0a74a6e70
SHA256

af2157afdb3d8390e7a8649e64a3108753f90f1c59837f8bd9895780c1e95d12
SHA512

555f40f23aa5151d5a2ef3c0edf0d57f5e56fe50b0cc0884f0fb900044223e649252061394de53a60e1db0267abf98929931d4ad8c4243ae10e40fc118ba6bc3
SSDEEP

98304:IsaZ+xj0ghxlL8nVU18k0xlVxCtq5xv00dre4+7PDsIEU+B9KpNGwPUlUQb0+YUE:Ir+xj0ghxlwWGVxCE5vr+7ZEUU9aNGp4

Score

6^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CTFarm = "C:\\Program Files\\CTFarm\\CTFarm.exe /tray"	CTFarmSetup-Dl0r1S07Eu.exe

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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	CTFarmSetup-Dl0r1S07Eu.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

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files\CTFarm\CTFarmUpdater.exe	CTFarmSetup-Dl0r1S07Eu.exe
File created	C:\Program Files\CTFarm\sciter.dll	CTFarmSetup-Dl0r1S07Eu.exe
File created	C:\Program Files\CTFarm\CTFarmHWMon.sys	CTFarmSetup-Dl0r1S07Eu.exe
File created	C:\Program Files\CTFarm\Uninstall.exe	CTFarmSetup-Dl0r1S07Eu.exe
File created	C:\Program Files\CTFarm\CTFarm.exe	CTFarmSetup-Dl0r1S07Eu.exe
File created	C:\Program Files\CTFarm\CTFarmService.exe	CTFarmSetup-Dl0r1S07Eu.exe

Executes dropped EXE 5 IoCs

pid	Process
1952	CTFarmService.exe
2488	CTFarmService.exe
3164	CTFarmUpdater.exe
1452	CTFarm.exe
3788	CTFarm.exe

Loads dropped DLL 6 IoCs

pid	Process
264	CTFarmSetup-Dl0r1S07Eu.exe
264	CTFarmSetup-Dl0r1S07Eu.exe
264	CTFarmSetup-Dl0r1S07Eu.exe
264	CTFarmSetup-Dl0r1S07Eu.exe
1452	CTFarm.exe
3788	CTFarm.exe

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

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
672	Process not Found

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	1452	CTFarm.exe
Token: SeLockMemoryPrivilege	3788	CTFarm.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1452	CTFarm.exe
1452	CTFarm.exe
3788	CTFarm.exe
3788	CTFarm.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1452	CTFarm.exe
3788	CTFarm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1452	CTFarm.exe
3788	CTFarm.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 264 wrote to memory of 1952	264	CTFarmSetup-Dl0r1S07Eu.exe	93
PID 264 wrote to memory of 1952	264	CTFarmSetup-Dl0r1S07Eu.exe	93
PID 264 wrote to memory of 3164	264	CTFarmSetup-Dl0r1S07Eu.exe	96
PID 264 wrote to memory of 3164	264	CTFarmSetup-Dl0r1S07Eu.exe	96
PID 264 wrote to memory of 3164	264	CTFarmSetup-Dl0r1S07Eu.exe	96
PID 264 wrote to memory of 1452	264	CTFarmSetup-Dl0r1S07Eu.exe	102
PID 264 wrote to memory of 1452	264	CTFarmSetup-Dl0r1S07Eu.exe	102

C:\Users\Admin\AppData\Local\Temp\CTFarmSetup-Dl0r1S07Eu.exe
"C:\Users\Admin\AppData\Local\Temp\CTFarmSetup-Dl0r1S07Eu.exe"
1⤵
- Adds Run key to start application
- Checks computer location settings
- Drops file in Program Files directory
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:264
- C:\Program Files\CTFarm\CTFarmService.exe
  "C:\Program Files\CTFarm\CTFarmService.exe" install
  2⤵
  - Executes dropped EXE
  PID:1952
- C:\Program Files\CTFarm\CTFarmUpdater.exe
  "C:\Program Files\CTFarm\CTFarmUpdater.exe" /install
  2⤵
  - Executes dropped EXE
  PID:3164
- C:\Program Files\CTFarm\CTFarm.exe
  "C:\Program Files\CTFarm\CTFarm.exe" /first_launch
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1452

C:\Program Files\CTFarm\CTFarmService.exe
"C:\Program Files\CTFarm\CTFarmService.exe"
1⤵
- Executes dropped EXE
PID:2488

C:\Program Files\CTFarm\CTFarm.exe
"C:\Program Files\CTFarm\CTFarm.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3788

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

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\CTFarm\CTFarm.exe

Filesize
1.1MB

MD5
a4bc34026e06c5a582b992f20a7508cd

SHA1
af331a3ac56c88f220e26f1596d17bd6cef5b328

SHA256
96df47f390e273f03ec9d18eed724689559d2b244033ebec2a657d1b5d34ff41

SHA512
2232d8a206ba26ba5b2a082ceff5c5ec1a2dcaabe52ba8fbe08115654db627b6955fb6a93c07aafcf97a70990614785995dacc681a747b2fca61ca27db6d26d8

Download Submit
C:\Program Files\CTFarm\CTFarmService.exe

Filesize
384KB

MD5
585b7905252960e8d42e77f967bf1896

SHA1
8dfec72fcd8831b7e903eac4d0f0ec90b2dd659a

SHA256
d5499e62f9fd8a391a40506d5b61c5db1112b74d2bc730d277d4f6d5d583b660

SHA512
0c9e94e4ad99a667264664fb50e22da2a2330e16c3eec27a899c879ed789ddd7b7f68ce2285b1044f42f1e95d3fddfc18fec8b07a22d4b87232d8d2420808dbb

Download Submit
C:\Program Files\CTFarm\CTFarmUpdater.exe

Filesize
2.4MB

MD5
297e98b83754d01a27afc3c544da0c99

SHA1
786596cae9a84ee46e585f5964edcb74c84a2348

SHA256
dee9ed2b2398634e7bc3e4389502a590e84e07a7752a64e157db1dbb1d68234c

SHA512
3386bd83f4c901c33ebe91e8551de812be38d335f35ddc627e1769df7735c4c15fd91a5ab4a8d1fa206817c28a09b6c7b70830a6121e8399c668a10340c5f037

Download Submit
C:\Program Files\CTFarm\sciter.dll

Filesize
1.3MB

MD5
08aff5b6d36ca823e696a30e0b93401f

SHA1
02aad91af49b94a204cc772401e8d0fd7e16a66c

SHA256
4ec6ac54141f8498ffd48f849518dd9a315b7f5b55942fef7c0d4ada46c84429

SHA512
363571ecf82552c3ae0304f1ab0e2e45916ae7d890dc41f00a2eb9a3d5b2ccf1a2e4fdf965ddd33eaf52f4cbc61ba54821cc462b539dcd17abd82356cfb3e75d

Download Submit
C:\Program Files\CTFarm\sciter.dll

Filesize
435KB

MD5
1736c08d3c266bbaceeb14ee6badc1d1

SHA1
0890ec3a38b75f93d67ff7a1778ed461c87cb1e0

SHA256
8c632f0fda9d746e18c7e5327620a3cd918903f972cead9a5aaf85cb81d70f2a

SHA512
c918a8c4309b1402658b7413b1035df722bf82ed9ef2b06ca7ea79d859f9a70c560ff4ac5a2c6ffca8c158e297ec66ddee5b39d3c890e07b59f456224f4d7e60

Download Submit
C:\Program Files\CTFarm\sciter.dll

Filesize
8.3MB

MD5
6961d5db2a9797108e6e33bea6a82118

SHA1
83abdb392bcc34db70697340d8bada2d888a64a3

SHA256
45aee2005b54a39b45073483ed7906eed5495ef42d85c19083ddf5a25fa12e7d

SHA512
64f3130e668467282e978d7fb29dc07dd3c55c4708869168132e9383988f822d677f8b80eec2bc1b4de868008cb485aeb28bacffb5997a10f1931a64da3e0dd1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz85DA.tmp\StartMenu.dll

Filesize
7KB

MD5
6b7073967487c24d08e88c208a1626fa

SHA1
f75f9dd095558b3c03b1647fe23c0869634bd9cc

SHA256
c91c61861cf22d1e9cd14dbba163573b2bd3d03dc72fcb1512879e4f3ab3b276

SHA512
31e1962b761bb0304905287f8ef33bf244b05ce1490723b98134dff0cc55956295d979086c350457fa5f6618868e431f1fc2d34afb4437ada15839ae4836f6f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz85DA.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz85DA.tmp\UserMgr.dll

Filesize
24KB

MD5
c5add6be93b13965cb474227f6dfe299

SHA1
c8f0ffc6ee182d2b54fad661a8522932825b2e52

SHA256
b12568139bdd8621aa9ca3e2dd29bbfa110068c21a9f89289372192517122502

SHA512
e49eb6c20e442143c01c9ab20be9b4fbca84a25333a8a9ce6c28d63f5419e659898225994a6e319c3f5be2c2d880b93fb2e078d2c1861be813702226c888a27a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz85DA.tmp\UserMgr.dll

Filesize
14KB

MD5
e878829aff6cef7ebd750ae65356c1e1

SHA1
9f82f6f63227e5de04e90d40e39c66c881b412a6

SHA256
c1b2bfdb73777481c605973b724be6d043a92d498eac947b42ddaa879f262992

SHA512
41ea21726792c039b9014aac94862f5ef16a2207fd0e0e3b47b6509afa9e7a6829737705b3c5b29ab5033abae84dbb37eadc1d2ba0cc5b8b51cac6a2c6ff3213

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz85DA.tmp\nsDialogs.dll

Filesize
9KB

MD5
48f3e7860e1de2b4e63ec744a5e9582a

SHA1
420c64d802a637c75a53efc8f748e1aede3d6dc6

SHA256
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156

SHA512
28716ddea580eeb23d93d1ff6ea0cf79a725e13c8f8a17ec9dfacb1fe29c7981ad84c03aed05663adc52365d63d19ec2f366762d1c685e3a9d93037570c3c583

Download Submit
C:\Users\Admin\AppData\Roaming\ctfarm.json

Filesize
218B

MD5
3d362fd72df9b9498ac20511892af533

SHA1
496b30a45dfb7b0867afa02ebc3d0134cde5d0da

SHA256
8d36fc6fe9744d3edcfbc0123e6112bd7873678024606c1ce7059428371ed835

SHA512
6d4fb523842068cd6dc22c3c23d2dcc2d91fb1f2924d03be8fa872e42050ac38acb8aa5e482ef951d6b734aafcaa3f04ed1b876f06df62846fe3228bf885b95a

Download Submit
C:\Users\Admin\AppData\Roaming\ctfarm.json

Filesize
507B

MD5
2c8e2c7d42df1146de6ad02592a45272

SHA1
034036805f5a7007d07fd8a075f5673afbe01340

SHA256
1adc31270020a904cd2f1cbbe5fe40b793ded02bd546c433aae2b06640185388

SHA512
39e8d31ab7a94f15e466f4bcc70c8694dee38c3f8635662a1991f88290cb3a706d8bf5618ef50ba7748fa9ecada51324c13f5dd1b2a29c726e6f4b40221d7fcd

Download Submit
memory/1452-80-0x0000016038B30000-0x0000016038B50000-memory.dmp

Filesize
128KB

Download
memory/3788-97-0x000001C65E1E0000-0x000001C65E200000-memory.dmp

Filesize
128KB

Download
memory/3788-98-0x000001C65F8C0000-0x000001C65F8E0000-memory.dmp

Filesize
128KB

Download
memory/3788-99-0x000001C65E1E0000-0x000001C65E200000-memory.dmp

Filesize
128KB

Download
memory/3788-100-0x000001C65F8C0000-0x000001C65F8E0000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads