cycbot | 522d5491525d787919d074d9cb9dbdd8d91193d6c21ae4604f867a827a85b07e

General

Target

a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe
Size

179KB
MD5

a62ef308fdc64bd3915affa7585201bc
SHA1

9765e809641237de9daa09cc5592c44a58e0b170
SHA256

522d5491525d787919d074d9cb9dbdd8d91193d6c21ae4604f867a827a85b07e
SHA512

d802fb53e38a286ae06dde1e8d72fea3902d9329cdfb0a1af4c9db05f62ae4ee9827be71fdcb24cea5f0d153e5a818f98310aae26299599641dca51d91ec02ce
SSDEEP

3072:L8svOQAkW/hGG03dj2bLYZurqqMR96F0AXNErDCHC1u815Se6gFprk:L/vOQrSGG0xeYZufMR9ATNEb1l5Syr

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

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

Detects Cycbot payload 5 IoCs

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

resource	yara_rule
behavioral2/memory/996-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3504-15-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3504-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3872-131-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3504-302-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3504-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/996-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/996-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3504-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3504-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3872-130-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3872-131-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3504-302-0x0000000000400000-0x0000000000454000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 996	3504	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe	88
PID 3504 wrote to memory of 996	3504	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe	88
PID 3504 wrote to memory of 996	3504	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe	88
PID 3504 wrote to memory of 3872	3504	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe	102
PID 3504 wrote to memory of 3872	3504	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe	102
PID 3504 wrote to memory of 3872	3504	a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe	102

C:\Users\Admin\AppData\Local\Temp\a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe startC:\Program Files (x86)\LP\F9D0\348.exe%C:\Program Files (x86)\LP\F9D0
  2⤵
  - System Location Discovery: System Language Discovery
  PID:996
- C:\Users\Admin\AppData\Local\Temp\a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a62ef308fdc64bd3915affa7585201bc_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\063C8\B38F9.exe%C:\Users\Admin\AppData\Roaming\063C8
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\063C8\8B75.63C

Filesize
996B

MD5
5e9ab9f4341fc44ec46df2a5cf658b78

SHA1
ba5daa0bb624f37012a0e2b1c972f193fadc61b9

SHA256
d68b829bc9bae55096fa61d32a623272996ae1ab33f5ad7007deba00b1f8e9fd

SHA512
1944caf0190c1e63d5f095db59fd09f9f3161484d627c7161d57cbfec1f3b585839beee29f223aa1b0f727d4216998b831909c044b7871bf345886faeadbffff

Download Submit
C:\Users\Admin\AppData\Roaming\063C8\8B75.63C

Filesize
600B

MD5
c11408d326a13da669de7545b8d5e949

SHA1
fbb0e6257b1a4ac7196e6aa2b935b135f6cc6f19

SHA256
055c89400729365c3c35f06444ff7e162c26b330b023a00a9d38b8b80367b4ff

SHA512
d74d0e131cda59153028ba1883134e576b8ca1b85388b1655ed0a5349f088749a2b5be45228d8e65f95cab47366159547da971ee0fa796602a059fd0d5d2890e

Download Submit
C:\Users\Admin\AppData\Roaming\063C8\8B75.63C

Filesize
1KB

MD5
12c38a0162646bdbd8254f9e00f2606f

SHA1
0213e5a578f1b4f39fb13be6a978be6f06d5f6a8

SHA256
8b3a7ab727e697e26eeafa1b9a6f21fdf31c7a33a2026bf4bc8edf7392764165

SHA512
f72ade290a309b84044d09eda7f01023849ad53d2825d3899b1c99d1c8fa8a5ee9313703d5e18f00613f5c1e74f76183a4d3f431a25ed7babc862a448fd0bce8

Download Submit
memory/996-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/996-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3504-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3504-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3504-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3504-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3504-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3504-302-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3872-130-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3872-131-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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