cycbot | b3b28e866c281dfcc5c59976b95544659444b019a40e2693f4eec210c983884f

General

Target

eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
Size

189KB
MD5

eb1ccf55e4d2eca9b18950de56f73d5b
SHA1

24e922a33d7633cb5ca663e369c6a91c07fb1666
SHA256

b3b28e866c281dfcc5c59976b95544659444b019a40e2693f4eec210c983884f
SHA512

15b84f9421a645db2f282f81c7c23b2a2480301a0dc5df04da7cc2204a8048945ce5e1fa9932a75306ba416e885f3dc299e09cce1334eaefb2ce8c4146d1f190
SSDEEP

3072:J00TiApT0yjqipyte+aJvlcSpQt1V1bjhiCnSWFuVLKV623FC72Ku1ciGE8c:J00XBNyETJtdiF1bjhimSNLKV621C72k

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/3164-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4412-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3708-74-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4412-174-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4412-179-0x0000000000400000-0x000000000044E000-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/4412-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4412-1-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3164-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4412-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3708-72-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3708-74-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4412-174-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4412-179-0x0000000000400000-0x000000000044E000-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	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 3164	4412	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	83
PID 4412 wrote to memory of 3164	4412	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	83
PID 4412 wrote to memory of 3164	4412	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	83
PID 4412 wrote to memory of 3708	4412	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	86
PID 4412 wrote to memory of 3708	4412	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	86
PID 4412 wrote to memory of 3708	4412	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3164
- C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3708

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\E032.717

Filesize
1KB

MD5
6a7d3d379c480f9da8832f1c6e914a8f

SHA1
8c051a95f7c27254e0f578cd793cf00b0065ffda

SHA256
3a1e98de5e37a2fefa14288a67ed9aeb4b6e821c079dcb92fea438aec59218ac

SHA512
cb1e8fbf053410e36403bf970073384718bade7930efcba0ef44a12333ac2b849171fbd01acde3394b9166c7a1dbee1e4205ad73466453d6a3189aede2c7d6da

Download Submit
C:\Users\Admin\AppData\Roaming\E032.717

Filesize
1KB

MD5
d8b7ff652c8b2b1a839e72c378169945

SHA1
77ee85de182749e0bca74652c272f3c69c584545

SHA256
40faceadda55979ec84a57e6b33179ed41f1df784829f905ca776c3161affd06

SHA512
98c50e5b3107c30ec6fb1435af69ceef4435cc942724c3e358cbf923c5b6b5535c314d3b02208972e0d028c63bf909709da4cef38f9bb8187d0c86fc0b8d134e

Download Submit
C:\Users\Admin\AppData\Roaming\E032.717

Filesize
600B

MD5
439c0759e8a580b98a93496c74b66c57

SHA1
16b91870697106ecef88d9d046f4f6048383e89d

SHA256
dc190bb910197cd9dcd86f8213b50e9670d5169378f6611f97c2de5703e54c3c

SHA512
58ec570faae27a01ad54c3b0cb065997702a323e8bb84cac65344954dfc65ebf533ce008c877eca64ceeddfcb9dfffbc7b931eee87f0a93097d96d3a0d68f878

Download Submit
C:\Users\Admin\AppData\Roaming\E032.717

Filesize
996B

MD5
cde487ac8c50f4255dea00cfaf75fb55

SHA1
6985d51807b3267ba74331e57398cf535174dbc1

SHA256
d64da4ff3197b9f2fb76e5eee2cddb67c8d74c13ce2bfe495092d44b10efc0ac

SHA512
c8046c365b6e8bba6bad0bb1c94bc2e95d3f9c72f41c127ac115e11edc9dbe11f575f4dcd8cb76dafb8bc866a9c8ef6d911201dde8530f70499460a83ad6a8e1

Download Submit
memory/3164-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3708-72-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3708-74-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3708-71-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4412-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4412-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4412-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4412-174-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4412-179-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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