cycbot | 1d6ffa1e76aaa12880cf4f35a5ec80234497d75337734635adcf811e2b40fc48

General

Target

JaffaCakes118_afda4e86aec193264031054ce220a488.exe
Size

164KB
MD5

afda4e86aec193264031054ce220a488
SHA1

e509b45d8262cfc6e2d636c41db4ac02ba85054f
SHA256

1d6ffa1e76aaa12880cf4f35a5ec80234497d75337734635adcf811e2b40fc48
SHA512

e5d9bce8514d28e9fad7ec56cd357d6cf2de177ad60d4445a11f5e6b6c18476cf4685dc5086c3133f608127d1d3bdcff4367b7fff3c4cb5aab954bf3b12c3205
SSDEEP

3072:FdJc5HBhuz3BQgObFi4L2rcbqGJwEm1HxU37RcmOg87F5XG3O65bzwT:HJnbBQg2MrjGJwErVfOg8J5XeP53wT

Score

10^/10

cycbot backdoor discovery persistence rat spyware stealer upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 8 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2200-17-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/2200-15-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/1488-18-0x0000000000400000-0x000000000048E000-memory.dmp	family_cycbot
behavioral1/memory/1488-19-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/2924-127-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/1488-128-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/1488-306-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/1488-309-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\28776\\B5020.exe"	JaffaCakes118_afda4e86aec193264031054ce220a488.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1488-3-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2200-14-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2200-17-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2200-15-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1488-18-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/1488-19-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2924-127-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2924-125-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1488-128-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1488-306-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1488-309-0x0000000000400000-0x0000000000490000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_afda4e86aec193264031054ce220a488.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	JaffaCakes118_afda4e86aec193264031054ce220a488.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	JaffaCakes118_afda4e86aec193264031054ce220a488.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	JaffaCakes118_afda4e86aec193264031054ce220a488.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a8090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703085300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc30b00000001000000120000004400690067006900430065007200740000001d00000001000000100000008f76b981d528ad4770088245e2031b630300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc25040000000100000010000000d474de575c39b2d39c8583c5c065498a2000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a	JaffaCakes118_afda4e86aec193264031054ce220a488.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2200	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	29
PID 1488 wrote to memory of 2200	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	29
PID 1488 wrote to memory of 2200	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	29
PID 1488 wrote to memory of 2200	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	29
PID 1488 wrote to memory of 2924	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	31
PID 1488 wrote to memory of 2924	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	31
PID 1488 wrote to memory of 2924	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	31
PID 1488 wrote to memory of 2924	1488	JaffaCakes118_afda4e86aec193264031054ce220a488.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afda4e86aec193264031054ce220a488.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afda4e86aec193264031054ce220a488.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afda4e86aec193264031054ce220a488.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afda4e86aec193264031054ce220a488.exe startC:\Program Files (x86)\LP\2022\033.exe%C:\Program Files (x86)\LP\2022
  2⤵
  PID:2200
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afda4e86aec193264031054ce220a488.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afda4e86aec193264031054ce220a488.exe startC:\Program Files (x86)\76C8C\lvvm.exe%C:\Program Files (x86)\76C8C
  2⤵
  PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabBF2C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBF4F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\28776\6C8C.877

Filesize
600B

MD5
b02319bf3700c0c7d2dd06e91b495fdb

SHA1
c0d7c5b876b8e40595c213656c73f078a3adcec7

SHA256
187ee5c8f21863a7978edfdb7a53e6f7f4271c5467f9c81b967b04f184398268

SHA512
074235dd609f5cefcd9d30af0ce181e6a4fab7bd5f95b1365206125a75e3b1c448e138617e65e159ec4e93b86e6b4fe9b438fe182b6038c7a02b5fedf69beb89

Download Submit
C:\Users\Admin\AppData\Roaming\28776\6C8C.877

Filesize
996B

MD5
3f373c79cdd7042c22fbd1c4d9a795d1

SHA1
d13cf83622a506a3b326b2835b3ba981558a21f8

SHA256
72cad563f658ec6beb64a58fdfc14f22ae33b5a304215660abf53d0e55479366

SHA512
df98424bfdc448257997ceba9627ec584bee0f55c786a860f788e0c21e8b24b08788c9c251b0b2c2507f5e1213dbafd4cceadc0e92d5c1c0b9b33dad88ca0a54

Download Submit
C:\Users\Admin\AppData\Roaming\28776\6C8C.877

Filesize
1KB

MD5
5e891c9ebef3cca492aa4177052bdf31

SHA1
a46fc7c9a66795a87f395ac4dd1b848034b9ccb0

SHA256
9c869118b57837f537784ec00ab342572d2bfaf58a784ce90d667af251399c9b

SHA512
a0a36e2ef8ba1b8cf9dfa06c0d9e1196ba39c1b01e174319fb802fd75f97d2e7f0a44d48cf628e4dc4f039697e87c6e486782339bc72acda02ec78b519e2f31b

Download Submit
memory/1488-19-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1488-18-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1488-0-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1488-128-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1488-306-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1488-309-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1488-3-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1488-2-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2200-15-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2200-17-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2200-14-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2924-127-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2924-125-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads