dab5d49baf62b43b7f95df3f0e0070a42975f0239fc3e2e2da161b00540927c6

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
06-07-2024 10:37

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General

Target

283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe
Size

327KB
MD5

283f49e1e7af1107ce1fdb3e62815026
SHA1

530230d0caede75419be075691a37b3295a6b9ae
SHA256

dab5d49baf62b43b7f95df3f0e0070a42975f0239fc3e2e2da161b00540927c6
SHA512

7558ae9bc436d8775c7610d96670eb6854771b51a120d5d472ba2bc5daeb4cba2361c50ae3c674e3e51dbeea3c1d1678dfb69a879c103b97dce6aa24e8926e31
SSDEEP

6144:AdHFCf9vsBqU8cCK6Taz6u/eHu+QqKTSs6Nj81YFrec:QFTBqU806OzMdaSsKFT

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2564	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2656	otykca.exe
2636	otykca.exe

Loads dropped DLL 2 IoCs

pid	Process
1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe
1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe

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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\{2977E268-58FD-AD4F-BE57-976F9EF8B472} = "C:\\Users\\Admin\\AppData\\Roaming\\Geroby\\otykca.exe"	otykca.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2656 set thread context of 2636	2656	otykca.exe	30

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Privacy	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe
2636	otykca.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 2244 wrote to memory of 1900	2244	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	28
PID 1900 wrote to memory of 2656	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	29
PID 1900 wrote to memory of 2656	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	29
PID 1900 wrote to memory of 2656	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	29
PID 1900 wrote to memory of 2656	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	29
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2656 wrote to memory of 2636	2656	otykca.exe	30
PID 2636 wrote to memory of 1104	2636	otykca.exe	19
PID 2636 wrote to memory of 1104	2636	otykca.exe	19
PID 2636 wrote to memory of 1104	2636	otykca.exe	19
PID 2636 wrote to memory of 1104	2636	otykca.exe	19
PID 2636 wrote to memory of 1104	2636	otykca.exe	19
PID 2636 wrote to memory of 1180	2636	otykca.exe	20
PID 2636 wrote to memory of 1180	2636	otykca.exe	20
PID 2636 wrote to memory of 1180	2636	otykca.exe	20
PID 2636 wrote to memory of 1180	2636	otykca.exe	20
PID 2636 wrote to memory of 1180	2636	otykca.exe	20
PID 2636 wrote to memory of 1208	2636	otykca.exe	21
PID 2636 wrote to memory of 1208	2636	otykca.exe	21
PID 2636 wrote to memory of 1208	2636	otykca.exe	21
PID 2636 wrote to memory of 1208	2636	otykca.exe	21
PID 2636 wrote to memory of 1208	2636	otykca.exe	21
PID 2636 wrote to memory of 2252	2636	otykca.exe	23
PID 2636 wrote to memory of 2252	2636	otykca.exe	23
PID 2636 wrote to memory of 2252	2636	otykca.exe	23
PID 2636 wrote to memory of 2252	2636	otykca.exe	23
PID 2636 wrote to memory of 2252	2636	otykca.exe	23
PID 2636 wrote to memory of 1900	2636	otykca.exe	28
PID 2636 wrote to memory of 1900	2636	otykca.exe	28
PID 2636 wrote to memory of 1900	2636	otykca.exe	28
PID 2636 wrote to memory of 1900	2636	otykca.exe	28
PID 2636 wrote to memory of 1900	2636	otykca.exe	28
PID 2636 wrote to memory of 2564	2636	otykca.exe	31
PID 2636 wrote to memory of 2564	2636	otykca.exe	31
PID 2636 wrote to memory of 2564	2636	otykca.exe	31
PID 2636 wrote to memory of 2564	2636	otykca.exe	31
PID 2636 wrote to memory of 2564	2636	otykca.exe	31
PID 1900 wrote to memory of 2564	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	31
PID 1900 wrote to memory of 2564	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	31
PID 1900 wrote to memory of 2564	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	31
PID 1900 wrote to memory of 2564	1900	283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe	31

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Users\Admin\AppData\Local\Temp\283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\283f49e1e7af1107ce1fdb3e62815026_JaffaCakes118.exe"
    3⤵
    - Loads dropped DLL
    - Modifies Internet Explorer settings
    - Suspicious use of WriteProcessMemory
    PID:1900
  - - C:\Users\Admin\AppData\Roaming\Geroby\otykca.exe
      "C:\Users\Admin\AppData\Roaming\Geroby\otykca.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2656
    - - C:\Users\Admin\AppData\Roaming\Geroby\otykca.exe
        
        "C:\Users\Admin\AppData\Roaming\Geroby\otykca.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2636
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpef55b5b3.bat"
      4⤵
      Deletes itself
      PID:2564

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2252

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpef55b5b3.bat

Filesize
271B

MD5
31d4a02dd2f3f123fa6998767262f02f

SHA1
af28bdd26b04e1efaa011f4cf672c9983a94ce3a

SHA256
7f5ad651f4d590131457d1676904aa0e02ae8a8b4d35b162084e872a7c49c36d

SHA512
b55f92441d3d301fad27d56f7c3ecec6334a5d86509ca50156a89c2d6aaf674c7fffac2a68d856043df1784787255814a5e61bc87075a2a4e5887c245bcab6af

Download Submit
C:\Users\Admin\AppData\Roaming\Geroby\otykca.exe

Filesize
327KB

MD5
3c113644a1821806d552b1dd975ce7af

SHA1
d4069600603b0c006bd310d2f3fb68c2010f4496

SHA256
20e26fbc5a16c57078041d157fed3e88b5035cb4778d2f964957c39e23eede5c

SHA512
a8680936779bf7e5f6cb85dddbf415b13fcae984ac03ea82a973dc7755140ba69ba5fabe81d6d9a07f3788c3154060521e1087c1211979f82dd0c88665dc2171

Download Submit
memory/1104-59-0x00000000020A0000-0x00000000020E4000-memory.dmp

Filesize
272KB

Download
memory/1104-53-0x00000000020A0000-0x00000000020E4000-memory.dmp

Filesize
272KB

Download
memory/1104-55-0x00000000020A0000-0x00000000020E4000-memory.dmp

Filesize
272KB

Download
memory/1104-57-0x00000000020A0000-0x00000000020E4000-memory.dmp

Filesize
272KB

Download
memory/1180-63-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/1180-64-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/1180-65-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/1180-62-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/1208-70-0x0000000002590000-0x00000000025D4000-memory.dmp

Filesize
272KB

Download
memory/1208-67-0x0000000002590000-0x00000000025D4000-memory.dmp

Filesize
272KB

Download
memory/1208-68-0x0000000002590000-0x00000000025D4000-memory.dmp

Filesize
272KB

Download
memory/1208-69-0x0000000002590000-0x00000000025D4000-memory.dmp

Filesize
272KB

Download
memory/1900-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-29-0x0000000000370000-0x00000000003C7000-memory.dmp

Filesize
348KB

Download
memory/1900-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-78-0x0000000000370000-0x00000000003B4000-memory.dmp

Filesize
272KB

Download
memory/1900-82-0x0000000000370000-0x00000000003B4000-memory.dmp

Filesize
272KB

Download
memory/1900-83-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-81-0x0000000000370000-0x00000000003B4000-memory.dmp

Filesize
272KB

Download
memory/1900-80-0x0000000000370000-0x00000000003B4000-memory.dmp

Filesize
272KB

Download
memory/1900-79-0x0000000000370000-0x00000000003B4000-memory.dmp

Filesize
272KB

Download
memory/1900-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1900-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-84-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/1900-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-190-0x0000000000370000-0x00000000003B4000-memory.dmp

Filesize
272KB

Download
memory/1900-28-0x0000000000370000-0x00000000003C7000-memory.dmp

Filesize
348KB

Download
memory/1900-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1900-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2244-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2244-15-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2244-13-0x0000000000320000-0x0000000000377000-memory.dmp

Filesize
348KB

Download
memory/2252-72-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2252-73-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2252-74-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2252-75-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2636-49-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2636-194-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2656-47-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2656-31-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download